Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_core_module.xml @ 418:2638f67205ee
Documented the disable_symlinks directive.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Wed, 15 Feb 2012 21:45:42 +0000 |
parents | 98dac2bd7598 |
children | 8fa5f2273014 |
rev | line source |
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1 <?xml version="1.0"?> |
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2 |
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3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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4 |
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5 <module name="Модуль ngx_http_core_module" |
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6 link="/ru/docs/http/ngx_http_core_module.html" |
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7 lang="ru"> |
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8 |
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9 <section id="directives" name="Директивы"> |
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10 |
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11 <directive name="aio"> |
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12 <syntax> |
364 | 13 <literal>on</literal> | |
14 <literal>off</literal> | | |
15 <literal>sendfile</literal></syntax> | |
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16 <default>off</default> |
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17 <context>http</context> |
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18 <context>server</context> |
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19 <context>location</context> |
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20 <appeared-in>0.8.11</appeared-in> |
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21 |
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22 <para> |
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23 Разрешает или запрещает использование файлового асинхронного ввода-вывода (AIO) |
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24 во FreeBSD и Linux. |
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25 </para> |
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26 |
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27 <para> |
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28 Во FreeBSD AIO можно использовать, начиная с FreeBSD 4.3. |
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29 AIO можно либо собрать в ядре статически: |
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30 <example> |
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31 options VFS_AIO |
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32 </example> |
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33 либо загрузить динамически через загружаемый модуль ядра: |
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34 <example> |
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35 kldload aio |
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36 </example> |
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37 </para> |
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38 |
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39 <para> |
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40 В версиях FreeBSD 5 и 6 включение AIO статически или динамически |
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41 на стадии загрузки ядра приводит к тому, что вся сетевая подсистема |
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42 будет использовать блокировку Giant, что может негативно сказаться на |
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43 производительности системы в целом. |
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44 Это ограничение устранено во FreeBSD 6.4-STABLE в 2009 году |
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45 и во FreeBSD 7. |
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46 Однако, начиная с FreeBSD 5.3 есть возможность включать AIO, |
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47 не связывая сетевую подсистему блокировкой Giant — для этого модуль |
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48 AIO нужно подгружать уже после загрузки ядра. |
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49 В этом случае в <path>/var/log/messages</path> появится следующее сообщение: |
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50 <example> |
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51 WARNING: Network stack Giant-free, but aio requires Giant. |
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52 Consider adding 'options NET_WITH_GIANT' or setting debug.mpsafenet=0 |
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53 </example> |
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54 которое можно смело проигнорировать. |
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55 <note> |
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56 Требование использовать блокировку Giant в AIO связано с тем, что |
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57 FreeBSD поддерживает асинхронные вызовы |
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58 <c-func>aio_read</c-func> |
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59 и |
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60 <c-func>aio_write</c-func> |
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61 для работы с сокетами. |
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62 Но поскольку nginx использует AIO только для работы с диском, |
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63 то проблем не возникает. |
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64 </note> |
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65 </para> |
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66 |
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67 <para> |
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68 Для работы AIO нужно выключить |
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69 <link id="sendfile"/>: |
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70 <example> |
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71 location /video/ { |
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72 sendfile off; |
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73 aio on; |
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74 output_buffers 1 64k; |
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75 } |
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76 </example> |
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77 </para> |
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78 |
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79 <para> |
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80 Кроме того, начиная с FreeBSD 5.2.1 и nginx 0.8.12, AIO также можно |
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81 использовать для подгрузки данных для <c-func>sendfile</c-func>: |
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82 <example> |
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83 location /video/ { |
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84 sendfile on; |
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85 tcp_nopush on; |
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86 aio sendfile; |
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87 } |
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88 </example> |
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89 В такой конфигурации функция <c-func>sendfile</c-func> вызывается с флагом |
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90 <c-def>SF_NODISKIO</c-def>, в результате она не блокируется на диске, а |
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91 сообщает об отсутствии данных в памяти, после чего nginx инициирует |
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92 асинхронную подгрузку данных, читая только один байт. |
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93 При этом ядро FreeBSD подгружает в память первые 128K байт файла, однако |
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94 при последующих чтениях файл подгружается частями только по 16K. |
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95 Изменить это можно с помощью директивы |
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96 <link id="read_ahead"/>. |
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97 </para> |
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98 |
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99 <para> |
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100 В Linux AIO можно использовать только начиная с версии ядра 2.6.22, и, |
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101 кроме того, ещё необходимо дополнительно включать |
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102 <link id="directio"/>, |
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103 иначе чтение будет блокирующимся: |
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104 <example> |
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105 location /video/ { |
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106 aio on; |
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107 directio 512; |
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108 output_buffers 1 128k; |
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109 } |
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110 </example> |
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111 </para> |
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112 |
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113 <para> |
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114 Поскольку |
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115 <link id="directio"/> |
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116 в Linux можно использовать только для чтения блоков, выравненных |
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117 на границу 512 байт (или 4К для XFS), то невыравненный конец файла |
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118 будет читаться блокированно. |
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119 То же относится к запросам с указанием диапазона запрашиваемых байт |
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120 (byte-range requests) и к запросам FLV не с начала файла: чтение |
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121 невыравненных начала и конца ответа будет блокирующимся. |
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122 Явно выключать |
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123 <link id="sendfile"/> |
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124 не нужно, так как при использовании |
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125 <link id="directio"/> |
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126 он выключается автоматически. |
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127 </para> |
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128 |
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129 </directive> |
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130 |
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131 |
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132 <directive name="alias"> |
271 | 133 <syntax><value>путь</value></syntax> |
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134 <default/> |
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135 <context>location</context> |
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136 |
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137 <para> |
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138 Задаёт замену для указанного location'а. |
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139 Например, при такой конфигурации |
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140 <example> |
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141 location /i/ { |
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142 alias /data/w3/images/; |
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143 } |
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144 </example> |
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145 на запрос |
271 | 146 “<literal>/i/top.gif</literal>” будет отдан файл |
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147 <path>/data/w3/images/top.gif</path>. |
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148 </para> |
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149 |
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150 <para> |
271 | 151 В значении параметра <value>путь</value> можно использовать переменные, |
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152 кроме <var>$document_root</var> и <var>$realpath_root</var>. |
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153 </para> |
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154 |
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155 <para> |
271 | 156 Если <literal>alias</literal> используется внутри location'а, заданного |
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157 регулярным выражением, то регулярное выражение должно содержать |
367
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158 выделения, а сам <literal>alias</literal> — ссылки на эти выделения |
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159 (0.7.40), например: |
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160 <example> |
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161 location ~ ^/users/(.+\.(?:gif|jpe?g|png))$ { |
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162 alias /data/w3/images/$1; |
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163 } |
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164 </example> |
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165 </para> |
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166 |
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167 <para> |
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168 Если location и последняя часть значения директивы совпадают: |
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169 <example> |
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170 location /images/ { |
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171 alias /data/w3/images/; |
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172 } |
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173 </example> |
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174 то лучше воспользоваться директивой |
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175 <link id="root"/>: |
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176 <example> |
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177 location /images/ { |
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178 root /data/w3; |
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179 } |
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180 </example> |
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181 </para> |
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182 |
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183 </directive> |
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184 |
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185 |
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186 <directive name="chunked_transfer_encoding"> |
271 | 187 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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188 <default>on</default> |
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189 <context>http</context> |
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190 <context>server</context> |
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191 <context>location</context> |
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192 |
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193 <para> |
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194 Позволяет запретить формат передачи данных частями (chunked transfer |
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195 encoding) в HTTP/1.1. |
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196 Это может понадобиться при использовании программ, не поддерживающих |
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197 chunked encoding, несмотря на требования стандарта. |
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198 </para> |
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199 |
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200 </directive> |
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201 |
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202 |
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203 <directive name="client_body_buffer_size"> |
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204 |
271 | 205 <syntax><value>размер</value></syntax> |
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206 <default>8k|16k</default> |
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207 <context>http</context> |
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208 <context>server</context> |
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209 <context>location</context> |
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210 |
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211 <para> |
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212 Задаёт размер буфера для чтения тела запроса клиента. |
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213 Если тело запроса больше заданного буфера, |
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214 то всё тело запроса или только его часть записывается во |
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215 <link id="client_body_temp_path">временный файл</link>. |
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216 По умолчанию размер одного буфера равен двум размерам страницы. |
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217 На x86, других 32-битных платформах и x86-64 это 8K. |
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218 На других 64-битных платформах это обычно 16K. |
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219 </para> |
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220 |
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221 </directive> |
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222 |
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223 |
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224 <directive name="client_body_in_file_only"> |
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225 <syntax> |
364 | 226 <literal>on</literal> | |
227 <literal>clean</literal> | | |
228 <literal>off</literal></syntax> | |
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229 <default>off</default> |
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230 <context>http</context> |
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231 <context>server</context> |
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232 <context>location</context> |
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233 |
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234 <para> |
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235 Определяет, сохранять ли всё тело запроса клиента в файл. |
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236 Директиву можно использовать для отладки и при использовании переменной |
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237 <var>$request_body_file</var> |
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238 или метода |
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239 <link doc="ngx_http_perl_module.xml" id="methods">$r->request_body_file</link> |
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240 модуля |
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241 <link doc="ngx_http_perl_module.xml">ngx_http_perl_module</link>. |
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242 </para> |
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243 |
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244 <para> |
271 | 245 При установке значения <literal>on</literal> временные файлы |
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246 по окончании обработки запроса не удаляются. |
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247 </para> |
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248 |
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249 <para> |
271 | 250 Значение <literal>clean</literal> разрешает удалять временные файлы, |
253
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251 оставшиеся по окончании обработки запроса. |
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252 </para> |
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253 |
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254 </directive> |
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255 |
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256 |
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257 <directive name="client_body_in_single_buffer"> |
271 | 258 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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259 <default>off</default> |
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260 <context>http</context> |
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261 <context>server</context> |
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262 <context>location</context> |
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263 |
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264 <para> |
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265 Определяет, сохранять ли всё тело запроса клиента в одном буфере. |
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266 Директива рекомендуется при использовании переменной |
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267 <var>$request_body</var> |
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268 для уменьшения требуемого числа операций копирования. |
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269 </para> |
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270 |
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271 </directive> |
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272 |
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273 |
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274 <directive name="client_body_temp_path"> |
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275 <syntax> |
364 | 276 <value>путь</value> |
277 [<value>уровень1</value> | |
278 [<value>уровень2</value> | |
279 [<value>уровень3</value>]]]</syntax> | |
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280 <default>client_body_temp</default> |
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281 <context>http</context> |
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282 <context>server</context> |
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283 <context>location</context> |
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284 |
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285 <para> |
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286 Задаёт каталог для хранения временных файлов с телами запросов клиентов. |
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287 В каталоге может использоваться иерархия подкаталогов до трёх уровней. |
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288 Например, при такой конфигурации |
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289 <example> |
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290 client_body_temp_path /spool/nginx/client_temp 1 2; |
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291 </example> |
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292 временный файл будет следующего вида: |
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293 <example> |
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294 /spool/nginx/client_temp/7/45/00000123457 |
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295 </example> |
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296 </para> |
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297 |
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298 </directive> |
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299 |
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300 |
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301 <directive name="client_body_timeout"> |
271 | 302 <syntax><value>время</value></syntax> |
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303 <default>60s</default> |
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304 <context>http</context> |
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305 <context>server</context> |
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306 <context>location</context> |
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307 |
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308 <para> |
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309 Задаёт таймаут при чтении тела запроса клиента. |
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310 Таймаут устанавливается не на всю передачу тела запроса, |
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311 а только между двумя последовательными операциями чтения. |
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312 Если по истечении этого времени клиент ничего не передаст, |
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313 то клиенту возвращается ошибка |
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314 <http-status code="408" text="Request Time-out"/>. |
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315 </para> |
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316 |
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317 </directive> |
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318 |
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319 |
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320 <directive name="client_header_buffer_size"> |
271 | 321 <syntax><value>размер</value></syntax> |
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322 <default>1k</default> |
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323 <context>http</context> |
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324 <context>server</context> |
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325 |
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326 <para> |
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327 Задаёт размер буфера для чтения заголовка запроса клиента. |
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328 Для большинства запросов достаточно буфера размером в 1K байт. |
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329 Однако если в запросе есть длинные cookies, или же запрос |
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330 пришёл от WAP-клиента, то он может не поместиться в 1K. |
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331 Поэтому, если строка запроса или поле заголовка запроса |
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332 не помещаются полностью в этот буфер, то выделяются буферы |
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333 большего размера, задаваемые директивой |
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334 <link id="large_client_header_buffers"/>. |
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335 </para> |
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336 |
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337 </directive> |
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338 |
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339 |
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340 <directive name="client_header_timeout"> |
271 | 341 <syntax><value>время</value></syntax> |
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342 <default>60s</default> |
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343 <context>http</context> |
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344 <context>server</context> |
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345 |
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346 <para> |
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347 Задаёт таймаут при чтении заголовка запроса клиента. |
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348 Если по истечении этого времени клиент не передаст полностью заголовок, |
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349 то клиенту возвращается ошибка |
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350 <http-status code="408" text="Request Time-out"/>. |
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351 </para> |
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352 |
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353 </directive> |
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354 |
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355 |
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356 <directive name="client_max_body_size"> |
271 | 357 <syntax><value>размер</value></syntax> |
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358 <default>1m</default> |
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359 <context>http</context> |
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360 <context>server</context> |
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361 <context>location</context> |
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362 |
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363 <para> |
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364 Задаёт максимально допустимый размер тела запроса клиента, |
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365 указываемый в поле |
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366 <header>Content-Length</header> |
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367 заголовка запроса. |
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368 Если размер больше заданного, то клиенту возвращается ошибка |
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369 <http-status code="413" text="Request Entity Too Large"/>. |
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370 Следует иметь в виду, что |
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371 <!--link doc="/web/upload.xml"-->браузеры не умеют корректно показывать |
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372 эту ошибку<!--/link-->. |
271 | 373 Установка параметра <value>размер</value> в 0 отключает |
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374 проверку размера тела запроса клиента. |
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375 </para> |
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376 |
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377 </directive> |
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378 |
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379 |
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380 <directive name="connection_pool_size"> |
271 | 381 <syntax><value>размер</value></syntax> |
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382 <default>256</default> |
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383 <context>http</context> |
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384 <context>server</context> |
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385 |
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386 <para> |
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387 Позволяет производить точную настройку выделений памяти |
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388 под конкретные соединения. |
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389 Эта директива не оказывает существенного влияния на |
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390 производительность и её не следует использовать. |
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391 </para> |
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392 |
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393 </directive> |
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394 |
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395 |
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396 <directive name="default_type"> |
271 | 397 <syntax><value>mime-тип</value></syntax> |
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398 <default>text/plain</default> |
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399 <context>http</context> |
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400 <context>server</context> |
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401 <context>location</context> |
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402 |
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403 <para> |
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404 Задаёт MIME-тип ответов по умолчанию. |
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405 См. также директиву <link id="types"/>. |
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406 </para> |
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407 |
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408 </directive> |
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409 |
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410 |
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411 <directive name="directio"> |
271 | 412 <syntax><value>размер</value> | <literal>off</literal></syntax> |
102
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413 <default>off</default> |
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414 <context>http</context> |
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415 <context>server</context> |
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416 <context>location</context> |
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417 <appeared-in>0.7.7</appeared-in> |
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418 |
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419 <para> |
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420 Разрешает использовать флаги |
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421 <c-def>O_DIRECT</c-def> (FreeBSD, Linux), |
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422 <c-def>F_NOCACHE</c-def> (Mac OS X) |
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423 или функцию <c-func>directio</c-func> (Solaris) |
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424 при чтении файлов, размер которых больше либо равен указанному. |
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425 Директива автоматически запрещает (0.7.15) использование |
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426 <link id="sendfile"/> |
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427 для данного запроса. |
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428 Рекомендуется использовать для больших файлов: |
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429 <example> |
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430 directio 4m; |
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431 </example> |
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432 или при использовании <link id="aio"/> в Linux. |
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433 </para> |
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434 |
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435 </directive> |
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436 |
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437 |
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438 <directive name="directio_alignment"> |
271 | 439 <syntax><value>размер</value></syntax> |
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440 <default>512</default> |
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441 <context>http</context> |
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442 <context>server</context> |
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443 <context>location</context> |
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444 <appeared-in>0.8.11</appeared-in> |
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445 |
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446 <para> |
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447 Устанавливает выравнивание для |
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448 <link id="directio"/>. |
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449 В большинстве случаев достаточно 512-байтового выравнивания, однако |
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450 при использовании XFS под Linux его нужно увеличить до 4K. |
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451 </para> |
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452 |
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453 </directive> |
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454 |
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455 |
418
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456 <directive name="disable_symlinks"> |
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457 <syntax> |
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458 <literal>on</literal> | |
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459 <literal>off</literal> | |
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460 <literal>if_not_owner</literal></syntax> |
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461 <default>off</default> |
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462 <context>http</context> |
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463 <context>server</context> |
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464 <context>location</context> |
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465 <appeared-in>1.1.15</appeared-in> |
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466 |
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467 <para> |
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468 Определяет, как следует поступать с символическими ссылками |
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469 при открытии файлов: |
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470 <list type="tag"> |
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471 |
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472 <tag-name><literal>off</literal></tag-name> |
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473 <tag-desc> |
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474 Символические ссылки в пути никак специально не обрабатываются. |
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475 Это стандартное поведение. |
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476 </tag-desc> |
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477 |
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478 <tag-name><literal>on</literal></tag-name> |
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479 <tag-desc> |
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480 Если любой компонент пути является символической ссылкой, |
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481 доступ к файлу запрещается. |
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482 </tag-desc> |
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483 |
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484 <tag-name><literal>if_not_owner</literal></tag-name> |
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485 <tag-desc> |
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486 Доступ к файлу запрещается, если любой компонент пути |
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487 является символической ссылкой, и ссылка и объект, на |
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488 который она ссылается, имеют разных владельцев. |
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489 </tag-desc> |
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490 |
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491 </list> |
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492 </para> |
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493 |
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494 <para> |
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495 Эта директива доступна только на системах, в которых есть |
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496 интерфейсы <c-func>openat</c-func> и <c-func>fstatat</c-func>. |
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497 К таким системам относятся современные версии FreeBSD, Linux и Solaris. |
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498 </para> |
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499 |
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500 <para> |
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501 Параметры <literal>on</literal> и <literal>if_not_owner</literal> |
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502 требуют дополнительных затрат на обработку. |
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503 </para> |
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504 |
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505 </directive> |
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506 |
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507 |
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508 <directive name="error_page"> |
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509 <syntax> |
364 | 510 <value>код</value> ... |
511 [<literal>=</literal>[<value>ответ</value>]] | |
512 <value>uri</value></syntax> | |
99
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513 <default/> |
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514 <context>http</context> |
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515 <context>server</context> |
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516 <context>location</context> |
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517 <context>if в location</context> |
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518 |
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519 <para> |
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520 Задаёт URI, который будет показываться для указанных ошибок. |
271 | 521 Директивы <literal>error_page</literal> наследуются с предыдущего уровня |
522 при условии, что на данном уровне не описаны свои директивы | |
523 <literal>error_page</literal>. | |
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524 В значении URI можно использовать переменные. |
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525 </para> |
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526 |
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527 <para> |
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528 Пример: |
76
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529 <example> |
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530 error_page 404 /404.html; |
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531 error_page 502 503 504 /50x.html; |
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532 error_page 403 http://example.com/forbidden.html; |
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533 </example> |
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534 </para> |
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535 |
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536 <para> |
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537 Кроме того, можно поменять код ответа на другой, например: |
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538 <example> |
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539 error_page 404 =200 /empty.gif; |
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540 </example> |
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541 </para> |
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542 |
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543 <para> |
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544 Если ошибочный ответ обрабатывается проксированным сервером или |
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545 FastCGI-сервером, и этот сервер может вернуть разные коды ответов, |
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546 например, 200, 302, 401 или 404, то можно выдавать возвращаемый им код: |
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547 <example> |
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548 error_page 404 = /404.php; |
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549 </example> |
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550 </para> |
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551 |
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552 <para> |
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553 Если при перенаправлении не нужно менять URI, то можно перенаправить |
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554 обработку ошибки в именованный location: |
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555 <example> |
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556 location / { |
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557 error_page 404 = @fallback; |
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558 } |
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559 |
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560 location @fallback { |
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561 proxy_pass http://backend; |
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562 } |
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parents:
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563 </example> |
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564 </para> |
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|
565 |
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|
566 </directive> |
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diff
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|
567 |
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parents:
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|
568 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
569 <directive name="if_modified_since"> |
253
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570 <syntax> |
364 | 571 <literal>off</literal> | |
572 <literal>exact</literal> | | |
573 <literal>before</literal></syntax> | |
102
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The directive name is now automatically printed in <default> and <syntax>.
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574 <default>exact</default> |
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575 <context>http</context> |
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576 <context>server</context> |
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577 <context>location</context> |
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578 <appeared-in>0.7.24</appeared-in> |
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579 |
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580 <para> |
253
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581 Определяет, как сравнивать время модификации ответа с |
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582 временем в поле |
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583 <header>If-Modified-Since</header> |
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584 заголовка запроса: |
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585 |
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586 <list type="tag"> |
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587 |
271 | 588 <tag-name><literal>off</literal></tag-name> |
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589 <tag-desc> |
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590 не проверять поле |
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591 <header>If-Modified-Since</header> заголовка запроса (0.7.34); |
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592 </tag-desc> |
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593 |
271 | 594 <tag-name><literal>exact</literal></tag-name> |
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595 <tag-desc> |
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596 точное совпадение; |
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597 </tag-desc> |
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598 |
271 | 599 <tag-name><literal>before</literal></tag-name> |
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600 <tag-desc> |
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601 время модификации ответа меньше или равно времени, заданному в поле |
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602 <header>If-Modified-Since</header> заголовка запроса. |
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603 </tag-desc> |
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604 |
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Maxim Dounin <mdounin@mdounin.ru>
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605 </list> |
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|
606 </para> |
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|
607 |
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parents:
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608 </directive> |
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|
609 |
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610 |
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611 <directive name="ignore_invalid_headers"> |
271 | 612 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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613 <default>on</default> |
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614 <context>http</context> |
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615 <context>server</context> |
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616 |
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617 <para> |
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618 Если включено, nginx игнорирует поля заголовка с недопустимыми именами. |
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619 Допустимыми считаются имена, состоящие из английских букв, цифр, дефисов |
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620 и возможно знаков подчёркивания (последнее контролируется директивой |
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621 <link id="underscores_in_headers"/>). |
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622 </para> |
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623 |
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624 </directive> |
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625 |
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626 |
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627 <directive name="internal"> |
102
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628 <syntax/> |
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629 <default/> |
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630 <context>location</context> |
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631 |
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632 <para> |
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633 Указывает, что location может использоваться только для внутренних запросов. |
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634 Для внешних запросов клиенту будет возвращаться ошибка |
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635 <http-status code="404" text="Not Found"/>. |
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636 Внутренними запросами являются: |
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637 |
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638 <list type="bullet"> |
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639 |
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640 <listitem> |
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641 запросы, перенаправленные директивой <link id="error_page"/>; |
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642 </listitem> |
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643 |
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644 <listitem> |
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645 подзапросы, формируемые командой |
271 | 646 “<command>include virtual</command>” |
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647 модуля |
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648 <link doc="ngx_http_ssi_module.xml">ngx_http_ssi_module</link>; |
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649 </listitem> |
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650 |
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651 <listitem> |
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652 запросы, изменённые директивой |
400
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653 <link doc="ngx_http_rewrite_module.xml" id="rewrite"/>; |
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654 </listitem> |
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655 |
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656 <listitem> |
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657 запросы, перенаправленные с помощью поля |
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658 <header>X-Accel-Redirect</header> заголовка ответа вышестоящего сервера. |
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659 </listitem> |
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660 |
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661 </list> |
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662 </para> |
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663 |
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664 <para> |
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665 Пример: |
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666 <example> |
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667 error_page 404 /404.html; |
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668 |
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669 location /404.html { |
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670 internal; |
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671 } |
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672 </example> |
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673 </para> |
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674 |
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675 </directive> |
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676 |
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677 |
253
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678 <directive name="keepalive_disable"> |
271 | 679 <syntax><literal>none</literal> | <value>браузер</value> ...</syntax> |
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680 <default>msie6 safari</default> |
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681 <context>http</context> |
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682 <context>server</context> |
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683 <context>location</context> |
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684 |
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685 <para> |
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686 Запрещает keep-alive соединения с некорректно ведущими себя браузерами. |
271 | 687 Параметры <value>браузер</value> указывают, на какие браузеры это |
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688 распространяется. |
271 | 689 Значение <literal>msie6</literal> запрещает keep-alive соединения |
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690 со старыми версиями MSIE после получения запроса POST. |
271 | 691 Значение <literal>safari</literal> запрещает keep-alive соединения |
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692 с браузерами Safari. |
271 | 693 Значение <literal>none</literal> разрешает keep-alive соединения |
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694 со всеми браузерами. |
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695 </para> |
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696 |
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697 </directive> |
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698 |
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699 |
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700 <directive name="keepalive_requests"> |
271 | 701 <syntax><value>число</value></syntax> |
102
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702 <default>100</default> |
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703 <context>http</context> |
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704 <context>server</context> |
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705 <context>location</context> |
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706 <appeared-in>0.8.0</appeared-in> |
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707 |
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708 <para> |
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709 Задаёт максимальное число запросов, которые можно |
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710 сделать по одному keep-alive соединению. |
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711 После того, как будет сделано максимальное число запросов, |
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712 соединение закрывается. |
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713 </para> |
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714 |
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715 </directive> |
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716 |
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717 |
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718 <directive name="keepalive_timeout"> |
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719 <syntax> |
364 | 720 <value>таймаут</value> |
721 [<value>заголовок_таймаута</value>]</syntax> | |
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722 <default>75s</default> |
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723 <context>http</context> |
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724 <context>server</context> |
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725 <context>location</context> |
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726 |
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727 <para> |
271 | 728 Первый параметр задаёт таймаут, в течение которого keep-alive |
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729 соединение с клиентом не будет закрыто со стороны сервера. |
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730 Второй необязательный параметр задаёт значение в поле |
271 | 731 <header>Keep-Alive: timeout=<value>время</value></header> |
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732 заголовка ответа. |
271 | 733 Два параметра могут отличаться друг от друга. |
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734 </para> |
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735 |
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736 <para> |
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737 Поле |
271 | 738 <header>Keep-Alive: timeout=<value>время</value></header> |
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739 заголовка понимают Mozilla и Konqueror. |
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740 MSIE сам закрывает keep-alive соединение примерно через 60 секунд. |
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741 </para> |
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742 |
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743 </directive> |
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744 |
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Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
745 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
746 <directive name="large_client_header_buffers"> |
271 | 747 <syntax><value>число</value> <value>размер</value></syntax> |
253
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748 <default>4 8k</default> |
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749 <context>http</context> |
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750 <context>server</context> |
76
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Maxim Dounin <mdounin@mdounin.ru>
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751 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
752 <para> |
271 | 753 Задаёт максимальное <value>число</value> и <value>размер</value> |
253
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|
754 буферов для чтения большого заголовка запроса клиента. |
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755 Строка запроса не должна превышать размера одного буфера, иначе клиенту |
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756 возвращается ошибка |
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|
757 <http-status code="414" text="Request-URI Too Large"/>. |
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758 Поле заголовка запроса также не должно превышать размера одного буфера, |
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759 иначе клиенту возвращается ошибка |
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760 <http-status code="400" text="Bad Request"/>. |
76
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761 Буферы выделяются только по мере необходимости. |
253
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762 По умолчанию размер одного буфера равен 8K байт. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
763 Если по окончании обработки запроса соединение переходит в состояние |
253
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764 keep-alive, эти буферы освобождаются. |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
765 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
766 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
767 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
768 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
769 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
770 <directive name="limit_except"> |
271 | 771 <syntax block="yes"><value>метод</value> ...</syntax> |
99
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diff
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|
772 <default/> |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
773 <context>location</context> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
774 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
775 <para> |
253
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776 Ограничивает HTTP-методы, доступные внутри location. |
271 | 777 Параметр <value>метод</value> может быть одним из |
778 <literal>GET</literal>, | |
779 <literal>HEAD</literal>, | |
780 <literal>POST</literal>, | |
781 <literal>PUT</literal>, | |
782 <literal>DELETE</literal>, | |
783 <literal>MKCOL</literal>, | |
784 <literal>COPY</literal>, | |
785 <literal>MOVE</literal>, | |
786 <literal>OPTIONS</literal>, | |
787 <literal>PROPFIND</literal>, | |
788 <literal>PROPPATCH</literal>, | |
789 <literal>LOCK</literal>, | |
790 <literal>UNLOCK</literal> | |
253
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791 или |
271 | 792 <literal>PATCH</literal>. |
793 Если разрешён метод <literal>GET</literal>, то метод | |
794 <literal>HEAD</literal> также будет разрешён. | |
253
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795 Доступ к остальным методам может быть ограничен при помощи директив модулей |
79
0a45870d0160
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diff
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|
796 <link doc="ngx_http_access_module.xml">ngx_http_access_module</link> |
253
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|
797 и |
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|
798 <link doc="ngx_http_auth_basic_module.xml">ngx_http_auth_basic_module</link>: |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
799 <example> |
253
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800 limit_except GET { |
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801 allow 192.168.1.0/32; |
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|
802 deny all; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
803 } |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
804 </example> |
253
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|
805 Обратите внимание, что данное ограничение действует для всех методов, |
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|
806 <emphasis>кроме</emphasis> GET и HEAD. |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
807 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
808 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
809 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
810 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
811 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
812 <directive name="limit_rate"> |
271 | 813 <syntax><value>скорость</value></syntax> |
253
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814 <default>0</default> |
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|
815 <context>http</context> |
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|
816 <context>server</context> |
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817 <context>location</context> |
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|
818 <context>if в location</context> |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
819 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
820 <para> |
253
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|
821 Ограничивает скорость передачи ответа клиенту. |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
822 Скорость задаётся в байтах в секунду. |
253
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|
823 Значение 0 (установка по умолчанию) отключает ограничение скорости. |
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824 <!-- |
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|
825 Чем меньше скорость, тем более аккуратным будет ограничение. |
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Ruslan Ermilov <ru@nginx.com>
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826 --> |
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827 Ограничение срабатывает только для одного соединения, то есть если |
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|
828 клиент откроет 2 соединения, то суммарная скорость будет в 2 раза |
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|
829 выше заданного ограничения. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
830 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
831 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
832 <para> |
253
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|
833 Если необходимо ограничить скорость для части клиентов на уровне |
271 | 834 <link id="server">сервера</link>, то директива <literal>limit_rate</literal> |
253
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835 для этого не подходит. |
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|
836 Вместо этого следует задать желаемое ограничение скорости в переменной |
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|
837 <var>$limit_rate</var>: |
76
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changeset
|
838 <example> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
839 server { |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
840 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
841 if ($slow) { |
253
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842 set $limit_rate 4k; |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
843 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
844 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
845 ... |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
846 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
847 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
848 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
849 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
850 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
851 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
852 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
853 <directive name="limit_rate_after"> |
271 | 854 <syntax><value>размер</value></syntax> |
253
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855 <default>0</default> |
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856 <context>http</context> |
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857 <context>server</context> |
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858 <context>location</context> |
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859 <context>if в location</context> |
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860 <appeared-in>0.8.0</appeared-in> |
76
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parents:
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|
861 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
862 <para> |
253
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863 Задаёт начальный объём данных, после передачи которого начинает |
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864 ограничиваться скорость передачи ответа клиенту. |
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865 </para> |
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|
866 |
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|
867 <para> |
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868 Пример: |
76
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parents:
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changeset
|
869 <example> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
870 location /flv/ { |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
871 flv; |
253
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872 limit_rate_after 500k; |
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873 limit_rate 50k; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
874 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
875 </example> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
876 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
877 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
878 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
879 |
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880 |
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881 <directive name="lingering_close"> |
271 | 882 <syntax> |
364 | 883 <literal>off</literal> | |
884 <literal>on</literal> | | |
885 <literal>always</literal></syntax> | |
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886 <default>on</default> |
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887 <context>http</context> |
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888 <context>server</context> |
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889 <context>location</context> |
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890 <appeared-in>1.1.0</appeared-in> |
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891 <appeared-in>1.0.6</appeared-in> |
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892 |
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893 <para> |
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894 Управляет закрытием соединений с клиентами. |
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895 </para> |
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896 |
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897 <para> |
271 | 898 Со значением по умолчанию “<literal>on</literal>” nginx будет |
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899 <link id="lingering_timeout">ждать</link> и |
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900 <link id="lingering_time">обрабатывать</link> дополнительные данные, |
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901 поступающие от клиента, перед полным закрытием соединения, но только |
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902 если эвристика указывает на то, что клиент может ещё послать данные. |
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903 </para> |
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904 |
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905 <para> |
271 | 906 Со значением “<literal>always</literal>” nginx всегда будет |
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907 ждать и обрабатывать дополнительные данные, поступающие от клиента. |
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908 </para> |
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909 |
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910 <para> |
271 | 911 Со значением “<literal>off</literal>” nginx не будет ждать поступления |
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912 дополнительных данных и сразу же закроет соединение. |
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913 Это нарушает протокол, поэтому не следует это использовать без нужды. |
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914 </para> |
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915 |
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916 </directive> |
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917 |
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918 |
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919 <directive name="lingering_time"> |
271 | 920 <syntax><value>время</value></syntax> |
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921 <default>30s</default> |
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922 <context>http</context> |
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923 <context>server</context> |
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924 <context>location</context> |
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925 |
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926 <para> |
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927 Если действует <link id="lingering_close"/>, |
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928 эта директива задаёт максимальное время, в течение которого nginx |
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929 будет обрабатывать (читать и игнорировать) дополнительные данные, |
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930 поступающие от клиента. |
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931 По прошествии этого времени соединение будет закрыто, даже если |
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932 будут ещё данные. |
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933 </para> |
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934 |
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935 </directive> |
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936 |
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937 |
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938 <directive name="lingering_timeout"> |
271 | 939 <syntax><value>время</value></syntax> |
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940 <default>5s</default> |
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941 <context>http</context> |
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942 <context>server</context> |
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943 <context>location</context> |
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944 |
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945 <para> |
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946 Если действует <link id="lingering_close"/>, эта директива задаёт |
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947 максимальное время ожидания поступления дополнительных данных от клиента. |
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948 Если в течение этого времени данные не были получены, соединение закрывается. |
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949 Иначе данные читаются и игнорируются, затем nginx снова ждёт поступления данных. |
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950 Цикл “ждать-читать-игнорировать” повторяется, но не дольше чем задано |
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951 директивой <link id="lingering_time"/>. |
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952 </para> |
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953 |
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954 </directive> |
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955 |
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956 |
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957 <directive name="listen"> |
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958 <syntax> |
364 | 959 <value>адрес</value>[:<value>порт</value>] |
960 [<literal>default_server</literal>] | |
961 [<literal>setfib</literal>=<value>число</value>] | |
962 [<literal>backlog</literal>=<value>число</value>] | |
963 [<literal>rcvbuf</literal>=<value>размер</value>] | |
964 [<literal>sndbuf</literal>=<value>размер</value>] | |
965 [<literal>accept_filter</literal>=<value>фильтр</value>] | |
966 [<literal>deferred</literal>] | |
967 [<literal>bind</literal>] | |
968 [<literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal>] | |
969 [<literal>ssl</literal>] | |
970 [<literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]]</syntax> | |
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971 <syntax> |
364 | 972 <value>порт</value> |
973 [<literal>default_server</literal>] | |
974 [<literal>setfib</literal>=<value>число</value>] | |
975 [<literal>backlog</literal>=<value>число</value>] | |
976 [<literal>rcvbuf</literal>=<value>размер</value>] | |
977 [<literal>sndbuf</literal>=<value>размер</value>] | |
978 [<literal>accept_filter</literal>=<value>фильтр</value>] | |
979 [<literal>deferred</literal>] | |
980 [<literal>bind</literal>] | |
981 [<literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal>] | |
982 [<literal>ssl</literal>] | |
983 [<literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]]</syntax> | |
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984 <syntax> |
364 | 985 <literal>unix:</literal><value>путь</value> |
986 [<literal>default_server</literal>] | |
987 [<literal>backlog</literal>=<value>число</value>] | |
988 [<literal>rcvbuf</literal>=<value>размер</value>] | |
989 [<literal>sndbuf</literal>=<value>размер</value>] | |
990 [<literal>accept_filter</literal>=<value>фильтр</value>] | |
991 [<literal>deferred</literal>] | |
992 [<literal>bind</literal>] | |
993 [<literal>ssl</literal>] | |
994 [<literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>]]</syntax> | |
102
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995 <default>*:80 | *:8000</default> |
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996 <context>server</context> |
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997 |
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998 <para> |
271 | 999 Задаёт <value>адрес</value> и <value>порт</value> для IP |
1000 или <value>путь</value> для UNIX-сокета, | |
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1001 на которых сервер будет принимать запросы. |
271 | 1002 Можно указать только <value>адрес</value> |
1003 или только <value>порт</value>. | |
1004 Кроме того, <value>адрес</value> может быть именем хоста, например: | |
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1005 <example> |
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1006 listen 127.0.0.1:8000; |
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1007 listen 127.0.0.1; |
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1008 listen 8000; |
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1009 listen *:8000; |
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1010 listen localhost:8000; |
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1011 </example> |
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1012 IPv6-адреса (0.7.36) задаются в квадратных скобках: |
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1013 <example> |
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1014 listen [::]:8000; |
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1015 listen [fe80::1]; |
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1016 </example> |
271 | 1017 UNIX-сокеты (0.8.21) задаются при помощи префикса “<literal>unix:</literal>”: |
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1018 <example> |
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1019 listen unix:/var/run/nginx.sock; |
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1020 </example> |
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1021 </para> |
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1022 |
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1023 <para> |
271 | 1024 Если указан только <value>адрес</value>, то используется порт 80. |
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1025 </para> |
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1026 |
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1027 <para> |
271 | 1028 Если директива не указана, то используется либо <literal>*:80</literal> |
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1029 (если nginx работает с привилегиями суперпользователя), |
271 | 1030 либо <literal>*:8000</literal>. |
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1031 </para> |
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1032 |
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1033 <para> |
271 | 1034 Если у директивы есть параметр <literal>default_server</literal>, то сервер, |
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1035 в котором описана эта директива, будет сервером по умолчанию для указанной пары |
271 | 1036 <value>адрес</value>:<value>порт</value>. |
1037 Если же директив с параметром <literal>default_server</literal> нет, то | |
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1038 сервером по умолчанию будет первый сервер, в котором описана пара |
271 | 1039 <value>адрес</value>:<value>порт</value>. |
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1040 адрес:порт. |
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1041 <note> |
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1042 До версии 0.8.21 этот параметр назывался просто |
271 | 1043 <literal>default</literal>. |
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1044 </note> |
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1045 </para> |
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1046 |
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1047 <para> |
271 | 1048 В директиве <literal>listen</literal> можно также указать несколько |
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1049 дополнительных параметров, специфичных для системных вызовов |
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1050 <c-func>listen</c-func> и <c-func>bind</c-func>. |
271 | 1051 Эти параметры можно задать в любой директиве <literal>listen</literal>, |
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1052 но только один раз для указанной пары |
271 | 1053 <value>адрес</value>:<value>порт</value>. |
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1054 <note> |
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1055 До версии 0.8.21 их можно было указывать лишь в директиве |
271 | 1056 <literal>listen</literal> с параметром <literal>default</literal>. |
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1057 </note> |
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1058 <list type="tag"> |
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1059 |
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1060 <tag-name> |
271 | 1061 <literal>setfib</literal>=<value>число</value> |
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1062 </tag-name> |
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1063 <tag-desc> |
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1064 этот параметр (0.8.44) задаёт для слушающего сокета соответствующую |
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1065 таблицу маршрутизации (FIB). |
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1066 В настоящий момент это работает только на FreeBSD. |
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1067 </tag-desc> |
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1068 |
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1069 <tag-name> |
271 | 1070 <literal>backlog</literal>=<value>число</value> |
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1071 </tag-name> |
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1072 <tag-desc> |
271 | 1073 задаёт параметр <literal>backlog</literal> в вызове |
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1074 <c-func>listen</c-func>. |
271 | 1075 По умолчанию <literal>backlog</literal> равен -1 для FreeBSD |
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1076 и 511 для других платформ. |
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1077 </tag-desc> |
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1078 |
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1079 <tag-name> |
271 | 1080 <literal>rcvbuf</literal>=<value>размер</value> |
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1081 </tag-name> |
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1082 <tag-desc> |
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1083 задаёт параметр <c-def>SO_RCVBUF</c-def> для слушающего сокета |
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1084 </tag-desc> |
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1085 |
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1086 <tag-name> |
271 | 1087 <literal>sndbuf</literal>=<value>размер</value> |
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1088 </tag-name> |
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1089 <tag-desc> |
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1090 задаёт параметр <c-def>SO_SNDBUF</c-def> для слушающего сокета |
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1091 </tag-desc> |
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1092 |
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1093 <tag-name> |
271 | 1094 <literal>accept_filter</literal>=<value>фильтр</value> |
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1095 </tag-name> |
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1096 <tag-desc> |
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1097 задаёт название accept-фильтра. |
367
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1098 Работает только на FreeBSD, можно использовать два фильтра — |
271 | 1099 <literal>dataready</literal> и <literal>httpready</literal>. |
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1100 По сигналу <c-def>SIGHUP</c-def> accept-фильтр можно менять только в |
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1101 последних версиях FreeBSD, начиная с 6.0, 5.4-STABLE и 4.11-STABLE. |
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1102 </tag-desc> |
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1103 |
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1104 <tag-name> |
271 | 1105 <literal>deferred</literal> |
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1106 </tag-name> |
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1107 <tag-desc> |
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1108 указывает использовать отложенный <c-func>accept</c-func> на Linux |
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1109 с помощью опции <c-def>TCP_DEFER_ACCEPT</c-def>. |
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1110 </tag-desc> |
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1111 |
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1112 <tag-name> |
271 | 1113 <literal>bind</literal> |
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1114 </tag-name> |
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1115 <tag-desc> |
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1116 указывает, что для данной пары |
271 | 1117 <value>адрес</value>:<value>порт</value> нужно делать |
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1118 <c-func>bind</c-func> отдельно. |
271 | 1119 Дело в том, что если описаны несколько директив <literal>listen</literal> |
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1120 с одинаковым портом, но разными адресами и одна из директив |
271 | 1121 <literal>listen</literal> слушает на всех адресах для данного порта |
1122 (<literal>*:</literal><value>порт</value>, то nginx сделает | |
1123 <c-func>bind</c-func> только на <literal>*:</literal><value>порт</value>. | |
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1124 Необходимо заметить, что в этом случае для определения адреса, на которой |
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1125 пришло соединение, делается системный вызов <c-func>getsockname</c-func>. |
271 | 1126 Если же используются параметры <literal>backlog</literal>, |
1127 <literal>rcvbuf</literal>, <literal>sndbuf</literal>, | |
1128 <literal>accept_filter</literal>, <literal>deferred</literal> | |
1129 или <literal>so_keepalive</literal>, то для данной пары | |
1130 <value>адрес</value>:<value>порт</value> всегда делается | |
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1131 отдельный вызов <c-func>bind</c-func>. |
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1132 </tag-desc> |
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1133 |
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1134 <tag-name> |
271 | 1135 <literal>ipv6only</literal>=<literal>on</literal>|<literal>off</literal> |
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1136 </tag-name> |
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1137 <tag-desc> |
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1138 параметр (0.7.42) задаёт значение параметра <c-def>IPV6_V6ONLY</c-def> |
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1139 для слушающего сокета. |
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1140 Установить этот параметр можно только один раз на старте. |
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1141 </tag-desc> |
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1142 |
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1143 <tag-name> |
271 | 1144 <literal>ssl</literal> |
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1145 </tag-name> |
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1146 <tag-desc> |
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1147 этот параметр (0.7.14) не имеет отношения к системным вызовам |
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1148 <c-func>listen</c-func> и <c-func>bind</c-func>, а позволяет указать, |
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1149 что все соединения, принимаемые на этом порту, должны работать |
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1150 в режиме SSL. |
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1151 Это позволяет задать компактную конфигурацию для сервера, |
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1152 работающего сразу в двух режимах — HTTP и HTTPS. |
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1153 <example> |
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1154 listen 80; |
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1155 listen 443 default ssl; |
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1156 </example> |
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1157 </tag-desc> |
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1158 |
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1159 <tag-name> |
271 | 1160 <literal>so_keepalive</literal>=<literal>on</literal>|<literal>off</literal>|[<value>keepidle</value>]:[<value>keepintvl</value>]:[<value>keepcnt</value>] |
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1161 </tag-name> |
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1162 <tag-desc> |
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1163 этот параметр (1.1.11) конфигурирует для слушающего сокета |
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1164 поведение “TCP keepalive”. |
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1165 Если этот параметр опущен, то для сокета будут действовать |
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1166 стандартные системные настройки. |
271 | 1167 Если он установлен в значение “<literal>on</literal>”, то для сокета |
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1168 включается опция <c-def>SO_KEEPALIVE</c-def>. |
271 | 1169 Если он установлен в значение “<literal>off</literal>”, то для сокета |
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1170 опция <c-def>SO_KEEPALIVE</c-def> выключается. |
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1171 Некоторые операционные системы поддерживают настройку параметров |
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1172 “TCP keepalive” на уровне сокета посредством опций |
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1173 <c-def>TCP_KEEPIDLE</c-def>, <c-def>TCP_KEEPINTVL</c-def> и |
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1174 <c-def>TCP_KEEPCNT</c-def>. |
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1175 На таких системах (в настоящий момент это Linux 2.4+, NetBSD 5+ и |
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1176 FreeBSD 10.0-CURRENT) |
271 | 1177 их можно сконфигурировать с помощью параметров <value>keepidle</value>, |
1178 <value>keepintvl</value> и <value>keepcnt</value>. | |
1179 Один или два параметра могут быть опущены, в таком случае для | |
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1180 соответствующей опции сокета будут действовать стандартные |
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1181 системные настройки. |
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1182 Например, |
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1183 <example>so_keepalive=30m::10</example> |
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1184 установит таймаут бездействия (<c-def>TCP_KEEPIDLE</c-def>) в 30 минут, |
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1185 для интервала проб (<c-def>TCP_KEEPINTVL</c-def>) будет действовать |
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1186 стандартная системная настройка, а счётчик проб (<c-def>TCP_KEEPCNT</c-def>) |
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1187 будет равен 10. |
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1188 </tag-desc> |
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1189 |
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1190 </list> |
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1191 </para> |
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1192 |
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1193 <para> |
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1194 Пример: |
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1195 <example> |
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1196 listen 127.0.0.1 default accept_filter=dataready backlog=1024; |
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1197 </example> |
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1198 </para> |
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1199 |
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1200 </directive> |
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1201 |
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1202 |
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1203 <directive name="location"> |
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1204 <syntax block="yes">[ |
364 | 1205 <literal>=</literal> | |
1206 <literal>~</literal> | | |
1207 <literal>~*</literal> | | |
1208 <literal>^~</literal> | |
1209 ] <value>uri</value></syntax> | |
271 | 1210 <syntax block="yes"><literal>@</literal><value>имя</value></syntax> |
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1211 <default/> |
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1212 <context>server</context> |
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1213 <context>location</context> |
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1214 |
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1215 <para> |
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1216 Устанавливает конфигурацию в зависимости от URI запроса. |
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1217 location можно задать префиксной строкой или регулярным выражением. |
271 | 1218 Регулярные выражения задаются либо с префиксом “<literal>~*</literal>” |
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1219 (для поиска совпадения без учёта регистра символов), |
271 | 1220 либо с префиксом “<literal>~</literal>” (с учётом регистра). |
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1221 Чтобы найти location, соответствующий запросу, вначале проверяются |
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1222 location'ы, заданные префиксными строками (префиксные location'ы). |
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1223 Среди них ищется максимальное совпадение. |
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1224 Затем проверяются регулярные выражения, в порядке их следования |
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1225 в конфигурационном файле. |
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1226 Проверка регулярных выражений прекращается после первого же совпадения, |
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1227 и используется соответствующая конфигурация. |
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1228 Если совпадение с регулярным выражением не найдено, то используется |
253
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1229 конфигурация максимально совпавшего префиксного location'а. |
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1230 </para> |
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1231 |
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1232 <para> |
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1233 location'ы могут быть вложенными, с некоторыми исключениями, |
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1234 о которых говорится ниже. |
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1235 </para> |
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1236 |
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1237 <para> |
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1238 Для операционных систем, нечувствительных к регистру символов, таких |
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1239 как Mac OS X и Cygwin, сравнение с префиксными строками производится |
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1240 без учёта регистра (0.7.7). |
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1241 Однако, сравнение ограничено только однобайтными locale'ями. |
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1242 </para> |
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1243 |
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1244 <para> |
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1245 Регулярные выражения могут содержать выделения (0.7.40), которые могут |
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1246 затем использоваться в других директивах. |
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1247 </para> |
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1248 |
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1249 <para> |
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1250 Если у максимального совпавшего префиксного location'а указан префикс |
271 | 1251 “<literal>^~</literal>”, то регулярные выражения не проверяются. |
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1252 </para> |
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1253 |
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1254 <para> |
271 | 1255 Кроме того, с помощью префикса “<literal>=</literal>” можно задать точное |
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1256 совпадение URI и location. |
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1257 При точном совпадении поиск сразу же прекращается. |
271 | 1258 Например, если запрос “<literal>/</literal>” случается часто, то |
1259 указав “<literal>location = /</literal>”, можно ускорить обработку | |
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1260 этих запросов, так как поиск прекратится после первого же сравнения. |
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1261 Очевидно, что такой location не может иметь вложенные location'ы. |
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1262 </para> |
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1263 |
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1264 <para> |
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1265 <note> |
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1266 В версиях с 0.7.1 по 0.8.41, если запрос точно совпал с префиксным |
271 | 1267 location'ом без префиксов “<literal>=</literal>” и “<literal>^~</literal>”, |
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1268 то поиск тоже сразу же прекращается и регулярные выражения также |
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1269 не проверяются. |
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|
1270 </note> |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1271 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1272 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1273 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1274 Проиллюстрируем вышесказанное примером: |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
1275 <example> |
253
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1276 location = / { |
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1277 [ конфигурация А ] |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
1278 } |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1279 |
253
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1280 location / { |
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1281 [ конфигурация Б ] |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
1282 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1283 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
1284 location ^~ /images/ { |
253
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|
1285 [ конфигурация В ] |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
1286 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1287 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
1288 location ~* \.(gif|jpg|jpeg)$ { |
253
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1289 [ конфигурация Г ] |
76
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1290 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
1291 </example> |
271 | 1292 Для запроса “<literal>/</literal>” будет выбрана конфигурация А, |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1293 для запроса “<literal>/documents/document.html</literal>” — конфигурация Б, |
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
1294 для запроса “<literal>/images/1.gif</literal>” — конфигурация В, |
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1295 а для запроса “<literal>/documents/1.jpg</literal>” — конфигурация Г. |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
1296 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1297 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1298 <para> |
271 | 1299 Префикс “<literal>@</literal>” задаёт именованный location. |
253
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|
1300 Такой location не используется при обычной обработке запросов, а |
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|
1301 предназначен только для перенаправления в него запросов. |
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|
1302 Такие location'ы не могут быть вложенными и не могут содержать |
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|
1303 вложенные location'ы. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1304 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1305 |
253
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|
1306 <!-- |
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|
1307 <migration from="Apache" directive="Location" /> |
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|
1308 --> |
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|
1309 |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1310 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1311 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1312 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1313 <directive name="log_not_found"> |
271 | 1314 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
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|
1315 <default>on</default> |
253
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|
1316 <context>http</context> |
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|
1317 <context>server</context> |
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|
1318 <context>location</context> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
1319 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1320 <para> |
253
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1321 Разрешает или запрещает записывать в |
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1322 <link doc="../ngx_core_module.xml" id="error_log"/> |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
1323 ошибки о том, что файл не найден. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1324 </para> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1325 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1326 </directive> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1327 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1328 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
1329 <directive name="log_subrequest"> |
271 | 1330 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
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99
diff
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|
1331 <default>off</default> |
253
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|
1332 <context>http</context> |
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|
1333 <context>server</context> |
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|
1334 <context>location</context> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1335 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1336 <para> |
253
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|
1337 Разрешает или запрещает записывать в |
106
56457a474903
If text of the link is not provided, the @id is used.
Ruslan Ermilov <ru@nginx.com>
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102
diff
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|
1338 <link doc="ngx_http_log_module.xml" id="access_log"/> |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
1339 подзапросы. |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1340 </para> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1341 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1342 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1343 |
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|
1344 |
253
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|
1345 <directive name="max_ranges"> |
271 | 1346 <syntax><value>число</value></syntax> |
253
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|
1347 <default/> |
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|
1348 <context>http</context> |
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|
1349 <context>server</context> |
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|
1350 <context>location</context> |
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|
1351 |
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|
1352 <para> |
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|
1353 Ограничивает максимальное допустимое число диапазонов в запросах с |
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|
1354 указанием диапазона запрашиваемых байт (byte-range requests). |
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|
1355 Запросы, превышающие указанное ограничение, обрабатываются как |
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|
1356 если бы они не содержали указания диапазонов. |
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|
1357 По умолчанию ограничения нет. |
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|
1358 Значение 0 полностью запрещает поддержку диапазонов. |
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|
1359 </para> |
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1360 |
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1361 </directive> |
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|
1362 |
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|
1363 |
76
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1364 <directive name="merge_slashes"> |
271 | 1365 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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|
1366 <default>on</default> |
253
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|
1367 <context>http</context> |
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|
1368 <context>server</context> |
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|
1369 |
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|
1370 <para> |
253
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|
1371 Разрешает или запрещает преобразование URI путём замены двух и более подряд |
271 | 1372 идущих слэшей (“<literal>/</literal>”) в один. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
1373 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
1374 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
1375 <para> |
280 | 1376 Необходимо иметь в виду, что это преобразование необходимо для корректной |
253
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|
1377 проверки префиксных строк и регулярных выражений. |
364 | 1378 Если его не делать, то запрос “<literal>//scripts/one.php</literal>” |
1379 не попадёт в | |
76
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changeset
|
1380 <example> |
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parents:
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changeset
|
1381 location /scripts/ { |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1382 ... |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1383 } |
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|
1384 </example> |
253
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|
1385 и может быть обслужен как статический файл. |
271 | 1386 Поэтому он преобразуется к виду “<literal>/scripts/one.php</literal>”. |
76
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changeset
|
1387 </para> |
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parents:
diff
changeset
|
1388 |
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|
1389 <para> |
253
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|
1390 Запрет преобразования может понадобиться, если в URI используются имена, |
271 | 1391 закодированные методом base64, в котором задействован символ |
1392 “<literal>/</literal>”. | |
253
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|
1393 Однако по соображениям безопасности лучше избегать отключения преобразования. |
76
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parents:
diff
changeset
|
1394 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1395 |
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parents:
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changeset
|
1396 <para> |
253
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
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|
1397 Если директива указана на уровне |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1398 <link id="server"/> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1399 в сервере по умолчанию, то её значение распространяется на |
381 | 1400 все виртуальные серверы, слушающие на том же адресе и порту. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1401 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1402 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1403 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1404 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1405 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1406 <directive name="msie_padding"> |
271 | 1407 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
1408 <default>on</default> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1409 <context>http</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1410 <context>server</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1411 <context>location</context> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1412 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1413 <para> |
253
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1414 Разрешает или запрещает добавлять в ответы для MSIE со статусом больше 400 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1415 комментарий для увеличения размера ответа до 512 байт. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1416 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1417 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1418 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1419 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1420 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1421 <directive name="msie_refresh"> |
271 | 1422 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
1423 <default>off</default> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1424 <context>http</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1425 <context>server</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1426 <context>location</context> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1427 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1428 <para> |
253
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1429 Разрешает или запрещает выдавать для MSIE клиентов refresh'ы вместо |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1430 перенаправлений. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1431 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1432 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1433 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1434 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1435 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1436 <directive name="open_file_cache"> |
271 | 1437 <syntax><literal>off</literal></syntax> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1438 <syntax> |
271 | 1439 <literal>max</literal>=<value>N</value> |
1440 [<literal>inactive</literal>=<value>время</value>]</syntax> | |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
1441 <default>off</default> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1442 <context>http</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1443 <context>server</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1444 <context>location</context> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1445 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1446 <para> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1447 Задаёт кэш, в котором могут храниться: |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1448 <list type="bullet"> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1449 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1450 <listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1451 дескрипторы открытых файлов, информация об их размерах и времени модификации; |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1452 </listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1453 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1454 <listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1455 информация о существовании каталогов; |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1456 </listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1457 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1458 <listitem> |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1459 информация об ошибках поиска файла — “нет файла”, “нет прав на чтение” |
253
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1460 и тому подобное. |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1461 <note> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1462 Кэширование ошибок нужно разрешить отдельно директивой |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1463 <link id="open_file_cache_errors"/>. |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1464 </note> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1465 </listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1466 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1467 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1468 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1469 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1470 <para> |
253
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1471 У директивы есть следующие параметры: |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1472 <list type="tag"> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1473 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1474 <tag-name> |
271 | 1475 <literal>max</literal> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1476 </tag-name> |
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Bring the ngx_http_core_module documentation up to date.
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222
diff
changeset
|
1477 <tag-desc> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1478 задаёт максимальное число элементов в кэше; |
274
457c54242cfa
Stole translation of LRU from ngx_http_proxy_module.
Ruslan Ermilov <ru@nginx.com>
parents:
271
diff
changeset
|
1479 при переполнении кэша удаляются самые невостребованные элементы (LRU); |
253
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1480 </tag-desc> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1481 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1482 <tag-name> |
271 | 1483 <literal>inactive</literal> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1484 </tag-name> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1485 <tag-desc> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1486 задаёт время, после которого элемент кэша удаляется, если к нему |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1487 не было обращений в течение этого времени; по умолчанию 60 секунд; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1488 </tag-desc> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1489 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1490 <tag-name> |
271 | 1491 <literal>off</literal> |
253
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parents:
222
diff
changeset
|
1492 </tag-name> |
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1493 <tag-desc> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1494 запрещает кэш. |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1495 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1496 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1497 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1498 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1499 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1500 <para> |
253
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Bring the ngx_http_core_module documentation up to date.
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parents:
222
diff
changeset
|
1501 Пример: |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1502 <example> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1503 open_file_cache max=1000 inactive=20s; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1504 open_file_cache_valid 30s; |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1505 open_file_cache_min_uses 2; |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1506 open_file_cache_errors on; |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1507 <!-- |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1508 open_file_cache_events on; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1509 --> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1510 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1511 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1512 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1513 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1514 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1515 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1516 <directive name="open_file_cache_errors"> |
271 | 1517 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
1518 <default>off</default> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1519 <context>http</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1520 <context>server</context> |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1521 <context>location</context> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1522 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1523 <para> |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1524 Разрешает или запрещает кэширование ошибок поиска файлов в |
76
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1525 <link id="open_file_cache"/>. |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1526 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1527 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
1528 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1529 |
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1530 |
253
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1531 <!-- |
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1532 |
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1533 <directive name="open_file_cache_events"> |
271 | 1534 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
253
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1535 <default>off</default> |
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1536 <context>http</context> |
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1537 <context>server</context> |
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|
1538 <context>location</context> |
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|
1539 |
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|
1540 <para> |
253
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1541 Разрешает использование событий ядра для проверки актуальности элементов |
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1542 <link id="open_file_cache"/>. |
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1543 Эта директива работает только совместно с методом |
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1544 <link doc="../events.xml" id="kqueue"/>. |
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1545 Заметьте, что только NetBSD 2.0+ и FreeBSD 6.0+ |
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1546 поддерживают события для файловых систем произвольного типа. |
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|
1547 Другие операционные системы поддерживают события только для |
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1548 основных файловых систем, таких как UFS или FFS. |
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1549 </para> |
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1550 |
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1551 </directive> |
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1552 |
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1553 --> |
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1554 |
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|
1555 |
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1556 <directive name="open_file_cache_min_uses"> |
271 | 1557 <syntax><value>число</value></syntax> |
253
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1558 <default>1</default> |
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1559 <context>http</context> |
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1560 <context>server</context> |
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1561 <context>location</context> |
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1562 |
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1563 <para> |
271 | 1564 Задаёт минимальное <value>число</value> обращений к файлу |
1565 в течение времени, заданного параметром <literal>inactive</literal> | |
253
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1566 директивы <link id="open_file_cache"/>, после которого дескриптор |
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1567 файла будет оставаться открытым в кэше. |
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|
1568 </para> |
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|
1569 |
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|
1570 </directive> |
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|
1571 |
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|
1572 |
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|
1573 <directive name="open_file_cache_valid"> |
271 | 1574 <syntax><value>время</value></syntax> |
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1575 <default>60s</default> |
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1576 <context>http</context> |
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1577 <context>server</context> |
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1578 <context>location</context> |
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|
1579 |
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|
1580 <para> |
253
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1581 Определяет время, через которое следует проверять актуальность информации |
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|
1582 об элементе в |
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1583 <link id="open_file_cache"/>. |
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1584 <!-- |
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1585 При включенном |
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1586 <link id="open_file_cache_events"/> |
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1587 открытые дескрипторы файлов проверяются лишь единожды, а затем обновляются |
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|
1588 по факту их изменения. |
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1589 --> |
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|
1590 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1591 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1592 </directive> |
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diff
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|
1593 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1594 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1595 <directive name="optimize_server_names"> |
271 | 1596 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
253
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1597 <default>off</default> |
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1598 <context>http</context> |
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1599 <context>server</context> |
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|
1600 |
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|
1601 <para> |
253
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1602 Директива устарела, вместо неё следует использовать директиву |
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1603 <link id="server_name_in_redirect"/>. |
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1604 </para> |
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1605 |
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1606 <!-- |
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1607 <para> |
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1608 Разрешает или запрещает оптимизировать проверку имени хоста в name-based |
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1609 виртуальных серверах. |
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|
1610 Проверка в частности влияет на имя хоста, используемого в перенаправлениях. |
381 | 1611 Если оптимизация разрешена и все name-based серверы, слушающие на одной |
253
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|
1612 паре адрес:порт, имеют одинаковую конфигурацию, то во время исполнения запроса |
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1613 имена не проверяются и в перенаправлениях используется первое имя сервера. |
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1614 Если в перенаправлении нужно использовать имя хоста, переданное клиентом, |
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1615 то оптимизацию нужно выключить. |
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1616 </para> |
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1617 --> |
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1618 |
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1619 </directive> |
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1620 |
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|
1621 |
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1622 <directive name="port_in_redirect"> |
271 | 1623 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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1624 <default>on</default> |
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1625 <context>http</context> |
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1626 <context>server</context> |
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1627 <context>location</context> |
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1628 |
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1629 <para> |
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1630 Разрешает или запрещает указывать порт в перенаправлениях, выдаваемых nginx'ом. |
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1631 </para> |
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1632 |
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1633 <para> |
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1634 См. также директиву <link id="server_name_in_redirect"/>. |
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1635 </para> |
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1636 |
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1637 </directive> |
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1638 |
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1639 |
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1640 <directive name="postpone_output"> |
271 | 1641 <syntax><value>размер</value></syntax> |
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1642 <default>1460</default> |
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1643 <context>http</context> |
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1644 <context>server</context> |
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1645 <context>location</context> |
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1646 |
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1647 <para> |
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1648 Если это возможно, то отправка данных клиенту будет отложена пока nginx не |
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1649 накопит по крайней мере указанное количество байт для отправки. |
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1650 Значение 0 запрещает отложенную отправку данных. |
76
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|
1651 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1652 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1653 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1654 |
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1655 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1656 <directive name="read_ahead"> |
271 | 1657 <syntax><value>размер</value></syntax> |
102
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1658 <default>0</default> |
253
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1659 <context>http</context> |
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1660 <context>server</context> |
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1661 <context>location</context> |
76
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|
1662 |
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|
1663 <para> |
253
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1664 Задаёт ядру размер предчтения при работе с файлами. |
76
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|
1665 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1666 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1667 <para> |
253
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1668 На Linux используется системный вызов |
271 | 1669 <literal>posix_fadvise(0, 0, 0, POSIX_FADV_SEQUENTIAL)</literal>, |
1670 поэтому параметр <value>размер</value> там игнорируется. | |
253
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1671 </para> |
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1672 |
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1673 <para> |
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1674 На FreeBSD используется системный вызов |
271 | 1675 <literal>fcntl(O_READAHEAD, |
1676 </literal><value>размер</value><literal>)</literal>, | |
253
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1677 появившийся во FreeBSD 9.0-CURRENT. |
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1678 Для FreeBSD 7 необходимо установить |
76
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|
1679 <link url="http://sysoev.ru/freebsd/patch.readahead.txt">патч</link>. |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
1680 </para> |
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|
1681 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1682 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
1683 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1684 |
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|
1685 <directive name="recursive_error_pages"> |
271 | 1686 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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|
1687 <default>off</default> |
253
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1688 <context>http</context> |
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1689 <context>server</context> |
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1690 <context>location</context> |
76
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|
1691 |
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|
1692 <para> |
253
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1693 Разрешает или запрещает делать несколько перенаправлений через директиву |
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|
1694 <link id="error_page"/>. |
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1695 </para> |
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1696 |
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1697 </directive> |
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1698 |
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1699 |
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1700 <directive name="request_pool_size"> |
271 | 1701 <syntax><value>размер</value></syntax> |
253
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1702 <default>4k</default> |
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1703 <context>http</context> |
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1704 <context>server</context> |
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1705 |
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1706 <para> |
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|
1707 Позволяет производить точную настройку выделений памяти |
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|
1708 под конкретные запросы. |
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|
1709 Эта директива не оказывает существенного влияния на |
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|
1710 производительность и её не следует использовать. |
76
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|
1711 </para> |
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|
1712 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1713 </directive> |
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|
1714 |
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|
1715 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1716 <directive name="reset_timedout_connection"> |
364 | 1717 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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|
1718 <default>off</default> |
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1719 <context>http</context> |
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1720 <context>server</context> |
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1721 <context>location</context> |
76
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|
1722 |
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|
1723 <para> |
253
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1724 Разрешает или запрещает сброс соединений по таймауту. |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
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364
diff
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|
1725 Сброс делается следующим образом — перед закрытием сокета для него |
253
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|
1726 ставится опция |
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1727 <c-def>SO_LINGER</c-def> |
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|
1728 с таймаутом 0. |
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1729 После чего при закрытии сокета клиенту отсылается TCP RST, а вся память, |
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|
1730 связанная с этим сокетом, освобождается. |
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|
1731 Это позволяет избежать длительного нахождения уже закрытого сокета в |
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|
1732 состоянии FIN_WAIT1 с заполненными буферами. |
76
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|
1733 </para> |
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|
1734 |
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|
1735 <para> |
253
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1736 Необходимо отметить, что keep-alive соединения по истечении таймаута |
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1737 закрываются обычным образом. |
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1738 </para> |
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|
1739 |
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|
1740 </directive> |
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|
1741 |
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|
1742 |
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|
1743 <directive name="resolver"> |
253
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1744 <syntax> |
271 | 1745 <value>адрес</value> ... |
1746 [<literal>valid</literal>=<value>время</value>]</syntax> | |
99
1d315ef37215
The case <default/> is now language-agnostic.
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|
1747 <default/> |
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1748 <context>http</context> |
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1749 <context>server</context> |
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1750 <context>location</context> |
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|
1751 |
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1752 <para> |
318
4a0fe9283dc7
Word polishing in the description of the "server" directive.
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|
1753 Задаёт серверы DNS, используемые для преобразования имён вышестоящих серверов |
253
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1754 в адреса, например: |
76
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|
1755 <example> |
253
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1756 resolver 127.0.0.1 192.0.2.1; |
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1757 </example> |
271 | 1758 Параметр <value>адрес</value> может быть задан либо |
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1759 IPv4-адресом, либо именем хоста; |
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1760 во втором случае используется первый полученный IPv4-адрес. |
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1761 Серверы DNS опрашиваются циклически. |
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1762 <note> |
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1763 До версии 1.1.7 можно было задать лишь один DNS-сервер. |
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1764 </note> |
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|
1765 По умолчанию nginx кэширует ответы, используя значение TTL из ответа. |
271 | 1766 Необязательный параметр <literal>valid</literal> позволяет это |
253
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1767 переопределить: |
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1768 <example> |
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1769 resolver 127.0.0.1 192.0.2.1 valid=30s; |
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1770 </example> |
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1771 <note> |
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1772 До версии 1.1.9 настройка времени кэширования была невозможна |
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1773 и nginx всегда кэшировал ответы на срок в 5 минут. |
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1774 </note> |
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1775 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1776 |
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1777 </directive> |
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
1778 |
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|
1779 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1780 <directive name="resolver_timeout"> |
271 | 1781 <syntax><value>время</value></syntax> |
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1782 <default>30s</default> |
253
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1783 <context>http</context> |
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1784 <context>server</context> |
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1785 <context>location</context> |
76
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|
1786 |
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|
1787 <para> |
253
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1788 Задаёт таймаут для преобразования имени в адрес, например: |
76
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1789 <example> |
253
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1790 resolver_timeout 5s; |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
1791 </example> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1792 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1793 |
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Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
1794 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1795 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
1796 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1797 <directive name="root"> |
271 | 1798 <syntax><value>путь</value></syntax> |
102
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|
1799 <default>html</default> |
253
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1800 <context>http</context> |
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1801 <context>server</context> |
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1802 <context>location</context> |
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1803 <context>if в location</context> |
76
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|
1804 |
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|
1805 <para> |
253
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1806 Задаёт корневой каталог для запросов. |
76
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1807 Например, при такой конфигурации |
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1808 <example> |
253
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1809 location /i/ { |
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1810 root /data/w3; |
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1811 } |
76
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|
1812 </example> |
271 | 1813 в ответ на запрос “<literal>/i/top.gif</literal>” будет отдан файл |
253
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|
1814 <path>/data/w3/i/top.gif</path>. |
76
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|
1815 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1816 |
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|
1817 <para> |
271 | 1818 В значении параметра <value>путь</value> можно использовать переменные, |
253
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1819 кроме <var>$document_root</var> и <var>$realpath_root</var>. |
76
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|
1820 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1821 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1822 <para> |
253
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1823 Путь к файлу формируется путём простого добавления URI к значению директивы |
271 | 1824 <literal>root</literal>. |
253
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1825 Если же URI необходимо поменять, следует воспользоваться директивой |
76
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|
1826 <link id="alias"/>. |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1827 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1828 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1829 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1830 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1831 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1832 <directive name="satisfy"> |
271 | 1833 <syntax><literal>all</literal> | <literal>any</literal></syntax> |
102
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|
1834 <default>all</default> |
253
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1835 <context>http</context> |
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1836 <context>server</context> |
76
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|
1837 <context>location</context> |
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1838 |
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|
1839 <para> |
271 | 1840 Разрешает доступ, если оба (<literal>all</literal>) |
1841 или хотя бы один (<literal>any</literal>) из модулей | |
253
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1842 <link doc="ngx_http_access_module.xml">ngx_http_access_module</link> |
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1843 и <link doc="ngx_http_auth_basic_module.xml">ngx_http_auth_basic_module</link> |
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1844 разрешают доступ. |
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1845 </para> |
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1846 |
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1847 <para> |
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|
1848 Пример: |
76
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|
1849 <example> |
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|
1850 location / { |
253
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1851 satisfy any; |
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1852 |
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1853 allow 192.168.1.0/32; |
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|
1854 deny all; |
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1855 |
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|
1856 auth_basic "closed site"; |
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1857 auth_basic_user_file conf/htpasswd; |
76
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|
1858 } |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1859 </example> |
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|
1860 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1861 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1862 </directive> |
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Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
1863 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1864 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1865 <directive name="satisfy_any"> |
271 | 1866 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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|
1867 <default>off</default> |
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1868 <context>http</context> |
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|
1869 <context>server</context> |
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|
1870 <context>location</context> |
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changeset
|
1871 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
1872 <para> |
406
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Links with mixed underscores and spaces were hard to read, eliminated them.
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|
1873 Эта директива была заменена параметром <literal>any</literal> |
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|
1874 директивы <link id="satisfy"/>. |
253
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1875 </para> |
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1876 |
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1877 </directive> |
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1878 |
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1879 |
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|
1880 <directive name="send_lowat"> |
271 | 1881 <syntax><value>размер</value></syntax> |
253
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1882 <default>0</default> |
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1883 <context>http</context> |
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1884 <context>server</context> |
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|
1885 <context>location</context> |
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1886 |
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1887 <para> |
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1888 При установке в ненулевое значение nginx будет пытаться минимизировать |
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|
1889 число операций отправки на клиентских сокетах либо при помощи флага |
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1890 <c-def>NOTE_LOWAT</c-def> метода |
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1891 <link doc="../events.xml" id="kqueue"/>, |
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1892 либо при помощи опции сокета <c-def>SO_SNDLOWAT</c-def>, |
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1893 с указанным размером. |
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1894 </para> |
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1895 |
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1896 <para> |
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1897 Эта директива игнорируется на Linux, Solaris и Windows. |
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1898 </para> |
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1899 |
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1900 </directive> |
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1901 |
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1902 |
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1903 <directive name="send_timeout"> |
271 | 1904 <syntax><value>время</value></syntax> |
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1905 <default>60s</default> |
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1906 <context>http</context> |
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1907 <context>server</context> |
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1908 <context>location</context> |
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1909 |
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1910 <para> |
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1911 Задаёт таймаут при передаче ответа клиенту. |
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1912 Таймаут устанавливается не на всю передачу ответа, |
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1913 а только между двумя операциями записями. |
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1914 Если по истечении этого времени клиент ничего не примет, |
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1915 соединение будет закрыто. |
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1916 </para> |
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1917 |
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1918 </directive> |
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1919 |
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1920 |
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1921 <directive name="sendfile"> |
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1922 |
271 | 1923 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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1924 <default>off</default> |
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1925 <context>http</context> |
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1926 <context>server</context> |
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1927 <context>location</context> |
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1928 <context>if в location</context> |
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1929 |
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1930 <para> |
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1931 Разрешает или запрещает использовать |
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1932 <c-func>sendfile</c-func>. |
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1933 </para> |
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1934 |
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1935 </directive> |
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1936 |
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1937 |
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1938 <directive name="sendfile_max_chunk"> |
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1939 |
271 | 1940 <syntax><value>размер</value></syntax> |
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1941 <default>0</default> |
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1942 <context>http</context> |
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1943 <context>server</context> |
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1944 <context>location</context> |
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1945 |
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1946 <para> |
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1947 При установке в ненулевое значение ограничивает объём данных, |
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1948 который может передан за один вызов <c-func>sendfile</c-func>. |
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1949 Без этого ограничения одно быстрое соединение может целиком |
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1950 захватить рабочий процесс. |
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1951 </para> |
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1952 |
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1953 </directive> |
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1954 |
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1955 |
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1956 <directive name="server"> |
108
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1957 <syntax block="yes"/> |
99
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1958 <default/> |
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1959 <context>http</context> |
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1960 |
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1961 <para> |
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1962 Задаёт конфигурацию для виртуального сервера. |
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1963 Чёткого разделения виртуальных серверов на IP-based (на основании IP-адреса) |
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1964 и name-based (на основании поля <header>Host</header> заголовка запроса) нет. |
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1965 Вместо этого директивами <link id="listen"/> описываются все |
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1966 адреса и порты, на которых нужно принимать соединения для этого сервера, |
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1967 а в директиве <link id="server_name"/> указываются все имена серверов. |
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1968 Пример конфигурации описан в документе по |
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1969 <link doc="../virtual_hosts.xml"> |
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1970 настройке виртуальных серверов</link>. |
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1971 </para> |
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1972 |
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1973 </directive> |
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1974 |
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1975 |
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1976 <directive name="server_name"> |
271 | 1977 <syntax><value>имя</value> ...</syntax> |
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1978 <default>""</default> |
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1979 <context>server</context> |
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1980 |
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1981 <para> |
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1982 Задаёт имена виртуального сервера, например: |
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1983 <example> |
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1984 server { |
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1985 server_name example.com www.example.com; |
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1986 } |
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1987 </example> |
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1988 </para> |
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1989 |
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1990 <para> |
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1991 Первое имя становится основным именем сервера. |
271 | 1992 В именах серверов можно использовать звёздочку (“<literal>*</literal>”) |
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1993 для замены первой или последней части имени: |
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1994 <example> |
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1995 server { |
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1996 server_name example.com *.example.com www.example.*; |
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1997 } |
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1998 </example> |
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1999 </para> |
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2000 |
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2001 <para> |
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2002 Два первых вышеприведённых имени можно объединить в одно: |
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2003 <example> |
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2004 server { |
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2005 server_name .example.com; |
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2006 } |
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2007 </example> |
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2008 </para> |
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2009 |
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2010 <para> |
271 | 2011 Если параметр равен “<var>$hostname</var>” (0.9.4), то |
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2012 подставляется имя хоста (hostname) машины. |
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2013 </para> |
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2014 |
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2015 <para> |
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|
2016 В качестве имени сервера можно также использовать регулярное выражение, |
271 | 2017 указав перед ним тильду (“<literal>~</literal>”): |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2018 <example> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
2019 server { |
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2020 server_name www.example.com ~^www\d+\.example\.com$; |
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|
2021 } |
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|
2022 </example> |
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|
2023 </para> |
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|
2024 |
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|
2025 <para> |
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2026 Регулярное выражение может содержать выделения (0.7.40), |
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|
2027 которые могут затем использоваться в других директивах: |
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|
2028 <example> |
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2029 server { |
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Bring the ngx_http_core_module documentation up to date.
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|
2030 server_name ~^(www\.)?(.+)$; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2031 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2032 location / { |
253
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2033 root /sites/$2; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2034 } |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2035 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2036 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2037 server { |
253
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|
2038 server_name _; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2039 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
2040 location / { |
253
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|
2041 root /sites/default; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2042 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2043 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2044 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2045 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2046 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
2047 <para> |
253
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|
2048 Именованные выделения в регулярном выражении создают переменные (0.8.25), |
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
2049 которые могут затем использоваться в других директивах: |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2050 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2051 server { |
253
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|
2052 server_name ~^(www\.)?(?<domain>.+)$; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2053 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2054 location / { |
253
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|
2055 root /sites/$domain; |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2056 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2057 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2058 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2059 server { |
253
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|
2060 server_name _; |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2061 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2062 location / { |
253
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|
2063 root /sites/default; |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2064 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2065 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2066 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2067 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2068 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2069 <para> |
253
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|
2070 Возможно также указать пустое имя сервера (0.7.11): |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2071 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2072 server { |
253
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|
2073 server_name www.example.com ""; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2074 } |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
2075 </example> |
253
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|
2076 Это позволяет обрабатывать запросы без поля <header>Host</header> заголовка |
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|
2077 запроса в этом сервере, а не в сервере по умолчанию для данной пары адрес:порт. |
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|
2078 Это настройка по умолчанию. |
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|
2079 <note> |
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|
2080 До 0.8.48 по умолчанию использовалось имя хоста (hostname) машины. |
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|
2081 </note> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2082 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2083 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2084 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2085 Порядок проверки имён следующий: |
253
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|
2086 <list type="enum"> |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2087 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2088 <listitem> |
253
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|
2089 полные имена |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2090 </listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2091 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2092 <listitem> |
271 | 2093 имена с маской в начале имени, например “<literal>*.example.com</literal>” |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2094 </listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2095 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2096 <listitem> |
271 | 2097 имена с маской в конце имени, например “<literal>mail.*</literal>” |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2098 </listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2099 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2100 <listitem> |
253
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2101 регулярные выражения |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2102 </listitem> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2103 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2104 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2105 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2106 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2107 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2108 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2109 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2110 <directive name="server_name_in_redirect"> |
271 | 2111 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
253
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2112 <default>off</default> |
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2113 <context>http</context> |
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2114 <context>server</context> |
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|
2115 <context>location</context> |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2116 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2117 <para> |
253
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|
2118 Разрешает или запрещает использовать в перенаправлениях, выдаваемых nginx'ом, |
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changeset
|
2119 основное имя сервера, задаваемое директивой |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2120 <link id="server_name"/>. |
253
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2121 Если запрещено, то используется имя, указанное в поле <header>Host</header> |
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2122 заголовка запроса. |
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|
2123 Если же этого поля нет, то используется IP-адрес сервера. |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2124 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2125 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2126 <para> |
253
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|
2127 См. также директиву <link id="port_in_redirect"/>. |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2128 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2129 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2130 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2131 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2132 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2133 <directive name="server_names_hash_bucket_size"> |
271 | 2134 <syntax><value>размер</value></syntax> |
253
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|
2135 <default>32|64|128</default> |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2136 <context>http</context> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2137 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2138 <para> |
253
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diff
changeset
|
2139 Задаёт размер корзины в хэш-таблицах имён серверов. |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2140 Значение по умолчанию зависит от размера строки кэша процессора. |
253
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diff
changeset
|
2141 Подробнее смотрите в документе по |
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changeset
|
2142 <link doc="../hash.xml">настройке хэшей</link>. |
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2143 </para> |
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2144 |
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2145 </directive> |
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2146 |
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|
2147 |
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2148 <directive name="server_names_hash_max_size"> |
271 | 2149 <syntax><value>размер</value></syntax> |
253
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|
2150 <default>512</default> |
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|
2151 <context>http</context> |
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2152 |
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2153 <para> |
271 | 2154 Задаёт максимальный <value>размер</value> хэш-таблиц имён серверов. |
253
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|
2155 Подробнее смотрите в документе по |
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|
2156 <link doc="../hash.xml">настройке хэшей</link>. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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diff
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|
2157 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2158 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2159 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2160 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2161 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
2162 <directive name="server_tokens"> |
271 | 2163 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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|
2164 <default>on</default> |
253
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2165 <context>http</context> |
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2166 <context>server</context> |
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|
2167 <context>location</context> |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2168 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2169 <para> |
253
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2170 Разрешает или запрещает выдавать версию nginx'а в сообщениях об ошибках и |
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|
2171 в поле <header>Server</header> заголовка ответа. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2172 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
2173 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
2174 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2175 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2176 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
2177 <directive name="tcp_nodelay"> |
271 | 2178 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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|
2179 <default>on</default> |
253
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|
2180 <context>http</context> |
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|
2181 <context>server</context> |
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|
2182 <context>location</context> |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2183 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2184 <para> |
253
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2185 Разрешает или запрещает использование опции <c-def>TCP_NODELAY</c-def>. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2186 Опция включаются только при переходе соединения в состояние keep-alive. |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2187 </para> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
2188 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2189 </directive> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2190 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2191 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
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|
2192 <directive name="tcp_nopush"> |
271 | 2193 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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|
2194 <default>off</default> |
253
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|
2195 <context>http</context> |
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|
2196 <context>server</context> |
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|
2197 <context>location</context> |
76
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|
2198 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2199 <para> |
253
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2200 Разрешает или запрещает использование опции сокета |
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|
2201 <c-def>TCP_NOPUSH</c-def> во FreeBSD или |
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2202 <c-def>TCP_CORK</c-def> в Linux. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2203 Опции включаются только при использовании <link id="sendfile"/>. |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2204 Включение опции позволяет |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
2205 <list type="bullet"> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
2206 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2207 <listitem> |
253
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|
2208 передавать заголовок ответа и начало файла в одном пакете |
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|
2209 в Linux и во FreeBSD 4.*; |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2210 </listitem> |
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Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
2211 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2212 <listitem> |
253
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2213 передавать файл полными пакетами. |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2214 </listitem> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2215 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2216 </list> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2217 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2218 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2219 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2220 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2221 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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|
2222 <directive name="try_files"> |
364 | 2223 <syntax><value>файл</value> ... <value>uri</value></syntax> |
2224 <syntax><value>файл</value> ... =<value>код</value></syntax> | |
99
1d315ef37215
The case <default/> is now language-agnostic.
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|
2225 <default/> |
253
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|
2226 <context>server</context> |
76
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Maxim Dounin <mdounin@mdounin.ru>
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|
2227 <context>location</context> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2228 |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2229 <para> |
253
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|
2230 Проверяет существование файлов в заданном порядке и использует |
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|
2231 для обработки запроса первый найденный файл, причём обработка |
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2232 делается в контексте этого же location'а. |
271 | 2233 Путь к файлу строится из параметра <value>файл</value> |
253
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|
2234 в соответствии с директивами |
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|
2235 <link id="root"/> и <link id="alias"/>. |
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2236 С помощью слэша в конце имени можно проверить существование каталога, |
271 | 2237 например, “<literal>$uri/</literal>”. |
253
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2238 В случае, если ни один файл не найден, то делается внутреннее |
271 | 2239 перенаправление на <value>uri</value>, заданный последним параметром. |
253
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|
2240 Например: |
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|
2241 <example> |
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2242 location /images/ { |
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|
2243 try_files $uri /images/default.gif; |
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2244 } |
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2245 |
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2246 location = /images/default.gif { |
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2247 expires 30s; |
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2248 } |
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2249 </example> |
271 | 2250 Последний параметр может также указывать на именованный location, |
253
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|
2251 смотрите примеры ниже. |
271 | 2252 С версии 0.7.51 последний параметр может также быть кодом: |
76
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|
2253 <example> |
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|
2254 location / { |
253
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2255 try_files $uri $uri/index.html $uri.html =404; |
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2256 } |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2257 </example> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2258 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2259 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
2260 <para> |
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Maxim Dounin <mdounin@mdounin.ru>
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|
2261 Пример использования при проксировании Mongrel: |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2262 <example> |
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2263 location / { |
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2264 try_files /system/maintenance.html |
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2265 $uri $uri/index.html $uri.html |
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|
2266 @mongrel; |
76
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|
2267 } |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2268 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
2269 location @mongrel { |
253
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2270 proxy_pass http://mongrel; |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2271 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2272 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2273 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2274 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2275 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2276 Пример использования вместе с Drupal/FastCGI: |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2277 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2278 location / { |
253
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
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|
2279 try_files $uri $uri/ @drupal; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
2280 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2281 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2282 location ~ \.php$ { |
253
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
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|
2283 try_files $uri @drupal; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2284 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2285 fastcgi_pass ...; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2286 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2287 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2288 fastcgi_param SCRIPT_NAME $fastcgi_script_name; |
ff1e139a8c98
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
2289 fastcgi_param QUERY_STRING $args; |
76
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2290 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2291 ... прочие fastcgi_param |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2292 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2293 |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2294 location @drupal { |
253
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
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|
2295 fastcgi_pass ...; |
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Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2296 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2297 fastcgi_param SCRIPT_FILENAME /path/to/index.php; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
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222
diff
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|
2298 fastcgi_param SCRIPT_NAME /index.php; |
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
2299 fastcgi_param QUERY_STRING q=$uri&$args; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2300 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2301 ... прочие fastcgi_param |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2302 } |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2303 </example> |
271 | 2304 В следующем примере директива <literal>try_files</literal> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2305 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2306 location / { |
253
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222
diff
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|
2307 try_files $uri $uri/ @drupal; |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2308 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2309 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2310 аналогична директивам |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2311 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
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|
2312 location / { |
253
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Bring the ngx_http_core_module documentation up to date.
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222
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|
2313 error_page 404 = @drupal; |
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Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2314 log_not_found off; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2315 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2316 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2317 А здесь |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2318 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2319 location ~ \.php$ { |
253
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Ruslan Ermilov <ru@nginx.com>
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|
2320 try_files $uri @drupal; |
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Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2321 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2322 fastcgi_pass ...; |
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222
diff
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|
2323 |
ff1e139a8c98
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
2324 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2325 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2326 ... |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2327 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2328 </example> |
271 | 2329 <literal>try_files</literal> проверяет существование PHP-файла, |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2330 прежде чем передать запрос FastCGI-серверу. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2331 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2332 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2333 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2334 Пример использования вместе с Wordpress и Joomla: |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2335 <example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2336 location / { |
253
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2337 try_files $uri $uri/ @wordpress; |
76
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2338 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2339 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2340 location ~ \.php$ { |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
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|
2341 try_files $uri @wordpress; |
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2342 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2343 fastcgi_pass ...; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2344 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2345 fastcgi_param SCRIPT_FILENAME /path/to$fastcgi_script_name; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2346 ... прочие fastcgi_param |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2347 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2348 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2349 location @wordpress { |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2350 fastcgi_pass ...; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2351 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2352 fastcgi_param SCRIPT_FILENAME /path/to/index.php; |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2353 ... прочие fastcgi_param |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2354 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2355 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2356 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2357 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2358 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2359 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2360 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2361 <directive name="types"> |
108
72524ae53106
Explicitly marked directives with the block syntax. Such directives will
Ruslan Ermilov <ru@nginx.com>
parents:
106
diff
changeset
|
2362 <syntax block="yes"/> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
2363 <default> |
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
2364 text/html html; |
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
2365 image/gif gif; |
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
2366 image/jpeg jpg; |
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
2367 </default> |
253
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222
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|
2368 <context>http</context> |
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|
2369 <context>server</context> |
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222
diff
changeset
|
2370 <context>location</context> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2371 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2372 <para> |
253
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222
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|
2373 Задаёт соответствие расширений имён файлов и MIME-типов ответов. |
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Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2374 Расширения нечувствительны к регистру символов. |
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222
diff
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|
2375 Одному MIME-типу может соответствовать несколько расширений, например: |
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
2376 <example> |
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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|
2377 types { |
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Bring the ngx_http_core_module documentation up to date.
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|
2378 application/octet-stream bin exe dll; |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
2379 application/octet-stream deb; |
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Bring the ngx_http_core_module documentation up to date.
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222
diff
changeset
|
2380 application/octet-stream dmg; |
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
2381 } |
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
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|
2382 </example> |
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|
2383 </para> |
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
2384 |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
2385 <para> |
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diff
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|
2386 Достаточно полная таблица соответствий входит в дистрибутив nginx |
ff1e139a8c98
Bring the ngx_http_core_module documentation up to date.
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222
diff
changeset
|
2387 и находится в файле <path>conf/mime.types</path>. |
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2388 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2389 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2390 <para> |
253
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diff
changeset
|
2391 Для того, чтобы для определённого location'а для всех ответов |
271 | 2392 выдавался MIME-тип “<literal>application/octet-stream</literal>”, |
253
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Bring the ngx_http_core_module documentation up to date.
Ruslan Ermilov <ru@nginx.com>
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222
diff
changeset
|
2393 можно использовать следующее: |
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Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
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|
2394 <example> |
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2395 location /download/ { |
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2396 types { } |
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2397 default_type application/octet-stream; |
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2398 } |
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2399 </example> |
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2400 </para> |
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2401 |
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2402 </directive> |
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2403 |
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2404 |
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2405 <directive name="types_hash_bucket_size"> |
271 | 2406 <syntax><value>размер</value></syntax> |
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2407 <default>32|64|128</default> |
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2408 <context>http</context> |
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2409 <context>server</context> |
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2410 <context>location</context> |
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2411 |
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2412 <para> |
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2413 Задаёт размер корзины в хэш-таблицах типов. |
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2414 Значение по умолчанию зависит от размера строки кэша процессора. |
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2415 Подробнее смотрите в документе по |
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2416 <link doc="../hash.xml">настройке хэшей</link>. |
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2417 </para> |
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2418 |
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2419 </directive> |
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2420 |
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2421 |
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2422 <directive name="types_hash_max_size"> |
271 | 2423 <syntax><value>размер</value></syntax> |
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2424 <default>1024</default> |
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2425 <context>http</context> |
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2426 <context>server</context> |
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2427 <context>location</context> |
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2428 |
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2429 <para> |
271 | 2430 Задаёт максимальный <value>размер</value> хэш-таблиц типов. |
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2431 Подробнее смотрите в документе по |
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2432 <link doc="../hash.xml">настройке хэшей</link>. |
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2433 </para> |
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2434 |
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2435 </directive> |
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2436 |
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2437 |
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2438 <directive name="underscores_in_headers"> |
271 | 2439 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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2440 <default>off</default> |
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2441 <context>http</context> |
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2442 <context>server</context> |
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2443 |
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2444 <para> |
253
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2445 Разрешает или запрещает использование символов подчёркивания в |
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2446 полях заголовка запроса клиента. |
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2447 Если запрещено, поля заголовка запроса, в чьих именах есть подчёркивания, |
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2448 помечаются как недопустимые и подпадают под действие директивы |
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2449 <link id="ignore_invalid_headers"/>. |
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2450 </para> |
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2451 |
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2452 </directive> |
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2453 |
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2454 |
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2455 <directive name="variables_hash_bucket_size"> |
271 | 2456 <syntax><value>размер</value></syntax> |
253
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2457 <default>64</default> |
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2458 <context>http</context> |
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2459 |
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2460 <para> |
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2461 Задаёт размер корзины в хэш-таблице переменных. |
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2462 Подробнее смотрите в документе по |
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2463 <link doc="../hash.xml">настройке хэшей</link>. |
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2464 </para> |
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2465 |
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2466 </directive> |
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2467 |
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2468 |
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2469 <directive name="variables_hash_max_size"> |
271 | 2470 <syntax><value>размер</value></syntax> |
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2471 <default>512</default> |
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2472 <context>http</context> |
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2473 |
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2474 <para> |
271 | 2475 Задаёт максимальный <value>размер</value> хэш-таблицы переменных. |
253
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2476 Подробнее смотрите в документе по |
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2477 <link doc="../hash.xml">настройке хэшей</link>. |
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2478 </para> |
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|
2479 |
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|
2480 </directive> |
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|
2481 |
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|
2482 </section> |
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|
2483 |
364 | 2484 |
253
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2485 <section id="variables" name="Встроенные переменные"> |
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2486 |
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|
2487 <para> |
364 | 2488 Модуль <literal>ngx_http_core_module</literal> поддерживает встроенные |
2489 переменные, имена которых совпадают с именами переменных веб-сервера Apache. | |
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2490 Прежде всего, это переменные, представляющие из себя поля заголовка |
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2491 запроса клиента, такие как <var>$http_user_agent</var>, <var>$http_cookie</var> |
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2492 и тому подобное. |
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2493 Кроме того, есть и другие переменные: |
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2494 <list type="tag"> |
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2495 |
271 | 2496 <tag-name><var>$arg_</var><value>имя</value></tag-name> |
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2497 <tag-desc> |
271 | 2498 аргумент <value>имя</value> в строке запроса |
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2499 </tag-desc> |
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2500 |
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2501 <tag-name><var>$args</var></tag-name> |
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2502 <tag-desc> |
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2503 аргументы в строке запроса |
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2504 </tag-desc> |
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2505 |
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2506 <tag-name><var>$binary_remote_addr</var></tag-name> |
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2507 <tag-desc> |
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2508 адрес клиента в бинарном виде, длина значения всегда 4 байта |
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2509 </tag-desc> |
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2510 |
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2511 <tag-name><var>$body_bytes_sent</var></tag-name> |
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2512 <tag-desc> |
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2513 число байт, переданное клиенту, без учёта заголовка ответа |
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2514 </tag-desc> |
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2515 |
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2516 <tag-name><var>$content_length</var></tag-name> |
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2517 <tag-desc> |
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2518 поле <header>Content-Length</header> заголовка запроса |
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2519 </tag-desc> |
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2520 |
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2521 <tag-name><var>$content_type</var></tag-name> |
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2522 <tag-desc> |
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2523 поле <header>Content-Type</header> заголовка запроса |
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2524 </tag-desc> |
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2525 |
271 | 2526 <tag-name><var>$cookie_</var><value>имя</value></tag-name> |
253
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2527 <tag-desc> |
271 | 2528 cookie <value>имя</value> |
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2529 </tag-desc> |
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2530 |
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2531 <tag-name><var>$document_root</var></tag-name> |
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2532 <tag-desc> |
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2533 значение директивы <link id="root"/> для текущего запроса |
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2534 </tag-desc> |
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2535 |
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2536 <tag-name><var>$document_uri</var></tag-name> |
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2537 <tag-desc> |
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2538 то же, что и <var>$uri</var> |
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2539 </tag-desc> |
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2540 |
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2541 <tag-name><var>$host</var></tag-name> |
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2542 <tag-desc> |
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2543 поле <header>Host</header> заголовка запроса, |
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2544 или имя сервера, соответствующего запросу, если этого поля нет |
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2545 </tag-desc> |
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2546 |
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2547 <tag-name><var>$hostname</var></tag-name> |
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2548 <tag-desc> |
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2549 имя хоста |
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2550 </tag-desc> |
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2551 |
271 | 2552 <tag-name><var>$http_</var><value>имя</value></tag-name> |
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2553 <tag-desc> |
271 | 2554 поле <value>имя</value> заголовка запроса |
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2555 </tag-desc> |
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2556 |
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2557 <tag-name><var>$https</var></tag-name> |
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2558 <tag-desc> |
271 | 2559 “<literal>on</literal>” |
253
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2560 если соединение работает в режиме SSL, |
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2561 либо пустая строка |
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2562 </tag-desc> |
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2563 |
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2564 <tag-name><var>$is_args</var></tag-name> |
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2565 <tag-desc> |
271 | 2566 “<literal>?</literal>”, если в строке запроса есть аргументы, |
253
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2567 и пустая строка, если их нет |
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2568 </tag-desc> |
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2569 |
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2570 <tag-name><var>$limit_rate</var></tag-name> |
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2571 <tag-desc> |
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2572 позволяет ограничивать скорость соединения |
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2573 </tag-desc> |
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2574 |
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2575 <tag-name><var>$nginx_version</var></tag-name> |
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2576 <tag-desc> |
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2577 версия nginx |
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2578 </tag-desc> |
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2579 |
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2580 <tag-name><var>$pid</var></tag-name> |
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2581 <tag-desc> |
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2582 номер (PID) рабочего процесса |
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2583 </tag-desc> |
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2584 |
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2585 <tag-name><var>$query_string</var></tag-name> |
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2586 <tag-desc> |
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2587 то же, что и <var>$args</var> |
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2588 </tag-desc> |
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2589 |
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2590 <tag-name><var>$realpath_root</var></tag-name> |
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2591 <tag-desc> |
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|
2592 значение директивы <link id="root"/> для текущего запроса, |
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2593 при этом все символические ссылки преобразованы в реальные путь |
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2594 </tag-desc> |
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2595 |
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2596 <tag-name><var>$remote_addr</var></tag-name> |
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2597 <tag-desc> |
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2598 адрес клиента |
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2599 </tag-desc> |
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2600 |
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2601 <tag-name><var>$remote_port</var></tag-name> |
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2602 <tag-desc> |
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2603 порт клиента |
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2604 </tag-desc> |
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2605 |
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2606 <tag-name><var>$remote_user</var></tag-name> |
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2607 <tag-desc> |
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2608 имя пользователя, использованное в Basic аутентификации |
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2609 </tag-desc> |
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2610 |
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2611 <tag-name><var>$request</var></tag-name> |
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2612 <tag-desc> |
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2613 оригинальная строка запроса целиком |
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2614 </tag-desc> |
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2615 |
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2616 <tag-name><var>$request_body</var></tag-name> |
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2617 <tag-desc> |
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2618 тело запроса |
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2619 <para> |
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2620 Значение переменной появляется в location'ах, обрабатываемых |
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2621 директивами |
106
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If text of the link is not provided, the @id is used.
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2622 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/> |
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2623 и |
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2624 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>. |
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2625 </para> |
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2626 </tag-desc> |
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2627 |
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2628 <tag-name><var>$request_body_file</var></tag-name> |
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2629 <tag-desc> |
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2630 имя временного файла, в котором хранится тело запроса |
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2631 <para> |
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2632 По завершению обработки файл необходимо удалить. |
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2633 Для того, чтобы тело запроса всегда записывалось в файл, |
406
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2634 следует включить <link id="client_body_in_file_only"/>. |
253
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2635 При передаче имени временного файла в проксированном запросе |
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2636 или в запросе к FastCGI-серверу следует запретить передачу самого |
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2637 тела директивами |
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2638 <link doc="ngx_http_proxy_module.xml" id="proxy_pass_request_body"> |
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2639 proxy_pass_request_body off</link> |
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2640 или |
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2641 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass_request_body"> |
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2642 fastcgi_pass_request_body off</link> |
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2643 соответственно. |
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2644 </para> |
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2645 </tag-desc> |
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2646 |
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2647 <tag-name><var>$request_completion</var></tag-name> |
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2648 <tag-desc> |
271 | 2649 “<literal>OK</literal>” если запрос завершился, |
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2650 либо пустая строка |
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2651 </tag-desc> |
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2652 |
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2653 <tag-name><var>$request_filename</var></tag-name> |
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2654 <tag-desc> |
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2655 путь к файлу для текущего запроса, формируемый из директив |
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2656 <link id="root"/> или <link id="alias"/> и URI запроса |
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2657 </tag-desc> |
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2658 |
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2659 <tag-name><var>$request_method</var></tag-name> |
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2660 <tag-desc> |
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2661 метод запроса, обычно |
271 | 2662 “<literal>GET</literal>” или “<literal>POST</literal>” |
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2663 </tag-desc> |
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2664 |
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2665 <tag-name><var>$request_uri</var></tag-name> |
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2666 <tag-desc> |
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2667 оригинальный URI запроса целиком (с аргументами) |
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2668 </tag-desc> |
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2669 |
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2670 <tag-name><var>$scheme</var></tag-name> |
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2671 <tag-desc> |
271 | 2672 схема запроса, “<literal>http</literal>” или “<literal>https</literal>” |
253
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2673 </tag-desc> |
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2674 |
271 | 2675 <tag-name><var>$sent_http_</var><value>имя</value></tag-name> |
253
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2676 <tag-desc> |
271 | 2677 поле <value>имя</value> заголовка ответа |
253
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2678 </tag-desc> |
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2679 |
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2680 <tag-name><var>$server_addr</var></tag-name> |
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2681 <tag-desc> |
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2682 адрес сервера, принявшего запрос |
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2683 <para> |
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2684 Получение значения этой переменной обычно требует одного системного вызова. |
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2685 Чтобы избежать системного вызова, в директивах <link id="listen"/> |
271 | 2686 следует указывать адреса и использовать параметр <literal>bind</literal>. |
253
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2687 </para> |
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2688 </tag-desc> |
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2689 |
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2690 <tag-name><var>$server_name</var></tag-name> |
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2691 <tag-desc> |
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2692 имя сервера, принявшего запрос |
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2693 </tag-desc> |
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2694 |
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2695 <tag-name><var>$server_port</var></tag-name> |
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2696 <tag-desc> |
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2697 порт сервера, принявшего запрос |
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2698 </tag-desc> |
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2699 |
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2700 <tag-name><var>$server_protocol</var></tag-name> |
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2701 <tag-desc> |
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2702 протокол сервера, обычно |
271 | 2703 “<literal>HTTP/1.0</literal>” |
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2704 или |
271 | 2705 “<literal>HTTP/1.1</literal>” |
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2706 </tag-desc> |
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2707 |
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2708 <tag-name><var>$uri</var></tag-name> |
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2709 <tag-desc> |
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2710 текущий URI запроса |
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2711 <para> |
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2712 Он может отличаться от первоначального, например, при внутренних |
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2713 перенаправлениях или при использовании индексных файлов. |
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2714 </para> |
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2715 </tag-desc> |
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2716 |
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2717 </list> |
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2718 </para> |
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2719 |
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2720 </section> |
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2721 |
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2722 </module> |