Mercurial > hg > nginx-site
annotate xml/ru/docs/http/server_names.xml @ 2911:3cc6e38246b1
Removed note from the js_access directive.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 17 Nov 2022 18:26:29 +0000 |
parents | c56adb7148a4 |
children | 3b5594157fab |
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1 <!-- |
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2 Copyright (C) Igor Sysoev |
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3 Copyright (C) Nginx, Inc. |
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4 --> |
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5 |
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6 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd"> |
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7 |
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8 <article name="Имена сервера" |
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9 link="/ru/docs/http/server_names.html" |
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10 lang="ru" |
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11 rev="4" |
645
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12 author="Игорь Сысоев" |
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13 editor="Brian Mercer"> |
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14 |
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15 |
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16 <section> |
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17 |
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18 <para> |
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19 Имена сервера задаются с помощью директивы |
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20 <link doc="ngx_http_core_module.xml" id="server_name"/> |
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21 и определяют, в каком блоке <link doc="ngx_http_core_module.xml" id="server"/> |
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22 будет обрабатываться тот или иной запрос. |
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23 См. также “<link doc="request_processing.xml"/>”. |
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24 Имена могут быть заданы точно, с помощью маски или регулярного |
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25 выражения: |
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26 |
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27 <programlisting> |
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28 server { |
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29 listen 80; |
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30 server_name example.org www.example.org; |
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31 ... |
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32 } |
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33 |
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34 server { |
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35 listen 80; |
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36 server_name *.example.org; |
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37 ... |
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38 } |
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39 |
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40 server { |
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41 listen 80; |
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42 server_name mail.*; |
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43 ... |
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44 } |
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45 |
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46 server { |
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47 listen 80; |
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48 server_name ~^(?<user>.+)\.example\.net$; |
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49 ... |
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50 } |
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51 </programlisting> |
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52 </para> |
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53 |
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54 <para> |
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55 При поиске виртуального сервера по имени, |
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56 если имени соответствует несколько из указанных вариантов, |
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57 например, одновременно подходят и имя с маской, и регулярное выражение, |
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58 будет выбран первый подходящий вариант в следующем порядке приоритета: |
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59 <list type="enum"> |
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60 |
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61 <listitem> |
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62 точное имя |
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63 </listitem> |
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64 |
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65 <listitem> |
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66 самое длинное имя с маской в начале, например |
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67 “<literal>*.example.org</literal>” |
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68 </listitem> |
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69 |
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70 <listitem> |
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71 самое длинное имя с маской в конце, например “<literal>mail.*</literal>” |
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72 </listitem> |
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73 |
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74 <listitem> |
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75 первое подходящее регулярное выражение |
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76 (в порядке следования в конфигурационном файле) |
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77 </listitem> |
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78 |
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79 </list> |
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80 </para> |
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81 |
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82 </section> |
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83 |
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84 |
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85 <section id="wildcard_names" |
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86 name="Имена с масками"> |
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87 |
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88 <para> |
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89 Имя с маской может содержать звёздочку (“<literal>*</literal>”) только в начале |
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90 или в конце имени, и только на границе, определяемой точкой. |
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91 Имена “<literal>www.*.example.org</literal>” и |
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92 “<literal>w*.example.org</literal>” являются некорректными, |
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93 но их можно задать с помощью регулярных выражений, |
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94 например, “<literal>~^www\..+\.example\.org$</literal>” и |
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95 “<literal>~^w.*\.example\.org$</literal>”. |
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96 Звёздочка может соответствовать нескольким частям имени. |
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97 Имени с маской “<literal>*.example.org</literal>” соответствует не только |
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98 <literal>www.example.org</literal>, но и |
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99 <literal>www.sub.example.org</literal>. |
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100 </para> |
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101 |
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102 <para> |
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103 Специальное имя с маской вида “<literal>.example.org</literal>” |
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104 соответствует как точному имени “<literal>example.org</literal>”, |
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105 так и маске “<literal>*.example.org</literal>”. |
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106 </para> |
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107 |
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108 </section> |
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109 |
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110 |
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111 <section id="regex_names" |
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112 name="Имена, заданные регулярными выражениями"> |
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113 |
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114 <para> |
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115 Регулярные выражения, используемые в nginx, совместимы |
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116 с используемыми в языке программирования Perl (PCRE). |
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117 Имя сервера, заданное регулярным выражением, |
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118 должно начинаться с символа тильды: |
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119 |
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120 <programlisting> |
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121 server_name ~^www\d+\.example\.net$; |
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122 </programlisting> |
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123 |
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124 в противном случае оно будет рассматриваться как точное, или же, если |
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125 выражение содержит звёздочку (“<literal>*</literal>”), то как имя с маской |
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126 (и, скорее всего, некорректное). |
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127 Не забывайте ставить специальные символы начала (“<literal>^</literal>”) |
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128 и конца (“<literal>$</literal>”) строки. |
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129 По синтаксису они не требуются, но логически они могут быть нужны. |
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130 Также заметьте, что все точки в доменных именах должны быть экранированы |
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131 символом обратной косой черты. |
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132 Регулярное выражение, содержащее символы “<literal>{</literal>” |
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133 и “<literal>}</literal>”, необходимо экранировать: |
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134 |
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135 <programlisting> |
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136 server_name "~^(?<name>\w\d<b>{</b>1,3<b>}</b>+)\.example\.net$"; |
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137 </programlisting> |
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138 |
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139 иначе nginx откажется запускаться и выдаст сообщение об ошибке: |
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140 |
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141 <programlisting> |
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142 directive "server_name" is not terminated by ";" in ... |
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143 </programlisting> |
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144 |
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145 К именованному выделению в регулярном выражении можно впоследствии |
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146 обратиться через переменную: |
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147 |
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148 <programlisting> |
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149 server { |
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150 server_name ~^(www\.)?(<b>?<domain></b>.+)$; |
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151 |
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152 location / { |
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153 root /sites/<b>$domain</b>; |
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154 } |
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155 } |
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156 </programlisting> |
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157 |
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158 Библиотека PCRE поддерживает именованные выделения, используя следующий |
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159 синтаксис: |
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160 |
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161 <table note="yes"> |
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162 |
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163 <tr> |
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164 <td><literal>?<<value>name</value>></literal></td> |
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165 <td>Совместимый с Perl 5.10 синтаксис, поддерживается начиная с PCRE-7.0</td> |
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166 </tr> |
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167 |
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168 <tr> |
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169 <td><literal>?'<value>name</value>'</literal></td> |
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170 <td>Совместимый с Perl 5.10 синтаксис, поддерживается начиная с PCRE-7.0</td> |
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171 </tr> |
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172 |
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173 <tr> |
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174 <td><literal>?P<<value>name</value>></literal></td> |
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175 <td>Python-совместимый синтаксис, поддерживается начиная с PCRE-4.0</td> |
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176 </tr> |
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177 |
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178 </table> |
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179 |
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180 Если nginx отказывается запускаться и выдаёт сообщение об ошибке: |
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181 |
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182 <programlisting> |
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183 pcre_compile() failed: unrecognized character after (?< in ... |
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184 </programlisting> |
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185 |
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186 то это значит, что используется старая версия библиотеки PCRE и следует |
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187 вместо этого попробовать синтаксис |
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188 “<literal>?P<<value>name</value>></literal>”. |
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189 Также можно использовать нумерованные выделения: |
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190 |
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191 <programlisting> |
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192 server { |
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193 server_name ~^(www\.)?(.+)$; |
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194 |
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195 location / { |
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196 root /sites/<b>$2</b>; |
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197 } |
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198 } |
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199 </programlisting> |
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200 |
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201 Однако такое использование должно ограничиваться простыми случаями как в |
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202 примере выше, поскольку нумерованные выделения легко могут быть перезаписаны. |
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203 </para> |
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204 |
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205 |
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206 </section> |
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207 |
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208 |
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209 <section id="miscellaneous_names" |
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210 name="Прочие имена"> |
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211 |
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212 <para> |
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213 Некоторые имена имеют специальное значение. |
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214 </para> |
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215 |
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216 <para> |
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217 Если необходимо обрабатывать запросы без поля <header>Host</header> в заголовке |
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218 в блоке <link doc="ngx_http_core_module.xml" id="server"/>, который не |
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219 является сервером по умолчанию, следует указать пустое имя: |
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220 |
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221 <programlisting> |
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222 server { |
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223 listen 80; |
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224 server_name example.org www.example.org ""; |
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225 ... |
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226 } |
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227 </programlisting> |
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228 </para> |
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229 |
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230 <para> |
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231 Если директива |
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232 <link doc="ngx_http_core_module.xml" id="server_name"/> |
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233 не задана в блоке <link doc="ngx_http_core_module.xml" id="server"/>, |
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234 то nginx будет использовать пустое имя в качестве имени сервера. |
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235 <note> |
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236 Версии nginx вплоть до 0.8.48 в этом случае использовали имя хоста (hostname) |
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237 машины в качестве имени сервера. |
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238 </note> |
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239 </para> |
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240 |
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241 <para> |
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242 Если имя сервера задано как “<literal>$hostname</literal>” (0.9.4), то |
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243 используется имя хоста (hostname) машины. |
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244 </para> |
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245 |
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246 <para> |
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247 Если в запросе вместо имени сервера указан IP-адрес, |
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248 то поле <header>Host</header> заголовка запроса будет содержать |
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249 IP-адрес, и запрос можно обработать, используя IP-адрес как имя сервера: |
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250 |
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251 <programlisting> |
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252 server { |
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253 listen 80; |
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254 server_name example.org |
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255 www.example.org |
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256 "" |
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257 <b>192.168.1.1</b> |
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258 ; |
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259 ... |
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260 } |
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261 </programlisting> |
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262 </para> |
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263 |
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264 <para> |
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265 В примерах конфигурации серверов, обрабатывающих все запросы, встречается |
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266 странное имя “<literal>_</literal>”: |
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267 |
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268 <programlisting> |
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269 server { |
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270 listen 80 default_server; |
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271 server_name _; |
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272 return 444; |
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273 } |
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274 </programlisting> |
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275 |
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276 Оно не является каким-то особенным, это просто одно из множества |
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277 некорректных доменных имён, которые никогда не пересекутся ни с одним из |
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278 реальных имён. |
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279 С тем же успехом можно использовать имена типа “<literal>--</literal>” |
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280 и “<literal>!@#</literal>”. |
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281 </para> |
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282 |
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283 <para> |
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284 Версии nginx вплоть до 0.6.25 поддерживали специальное имя |
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285 “<literal>*</literal>”, которое многими неверно воспринималось как |
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286 имя сервера для обработки всех запросов. |
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287 Оно никогда так не работало, и не работало как имя с маской. |
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288 Это имя действовало так же, как сейчас действует директива |
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289 <link doc="ngx_http_core_module.xml" id="server_name_in_redirect"/>. |
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290 Специальное имя “<literal>*</literal>” объявлено устаревшим, а вместо него |
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291 следует использовать директиву |
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292 <link doc="ngx_http_core_module.xml" id="server_name_in_redirect"/>. |
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293 Заметьте, что с помощью директивы |
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294 <link doc="ngx_http_core_module.xml" id="server_name"/> |
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295 нельзя задать ни имя сервера для обработки всех запросов, |
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296 ни сервер по умолчанию. |
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297 Это является свойством директивы |
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298 <link doc="ngx_http_core_module.xml" id="listen"/>, |
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299 а не |
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300 <link doc="ngx_http_core_module.xml" id="server_name"/>. |
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301 См. также “<link doc="request_processing.xml"/>”. |
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302 Можно настроить серверы, слушающие на портах *:80 и *:8080, |
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303 и указать, что один из них будет сервером по умолчанию для порта *:8080, |
647
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304 а другой — для порта *:80: |
645
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305 <programlisting> |
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306 server { |
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307 listen 80; |
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308 listen 8080 default_server; |
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309 server_name example.net; |
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310 ... |
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311 } |
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312 |
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313 server { |
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314 listen 80 default_server; |
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315 listen 8080; |
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316 server_name example.org; |
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317 ... |
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318 } |
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319 </programlisting> |
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320 </para> |
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321 |
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322 |
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323 </section> |
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324 |
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325 |
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326 <section id="idn" |
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327 name="Интернационализованные имена"> |
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328 <para> |
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329 Для указания интернационализированных доменных имён |
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330 (<link url="https://en.wikipedia.org/wiki/Internationalized_domain_name">IDNs</link>) |
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331 в директиве <link doc="ngx_http_core_module.xml" id="server_name"/> |
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332 следует указывать Punycode-представление имени: |
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333 <programlisting> |
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334 server { |
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335 listen 80; |
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336 server_name xn--e1afmkfd.xn--80akhbyknj4f; # пример.испытание |
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337 ... |
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338 } |
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339 </programlisting> |
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340 </para> |
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341 |
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342 </section> |
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343 |
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344 |
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345 <section id="virtual_server_selection" |
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346 name="Выбор виртуального сервера"> |
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347 |
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348 <para> |
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349 Сначала соединение создаётся в контесте сервера по умолчанию. |
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350 Затем имя сервера может быть определено |
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351 на следующих стадиях обработки запроса, |
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352 каждая из которых участвует в выборе конфигурации: |
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353 |
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354 <list type="bullet"> |
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355 |
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356 <listitem> |
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357 <para> |
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358 предварительно во время операции SSL handshake согласно |
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359 <link doc="configuring_https_servers.xml" id="sni">SNI</link> |
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360 </para> |
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361 </listitem> |
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362 |
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363 <listitem> |
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364 <para> |
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365 после обработки строки запроса |
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366 </para> |
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367 </listitem> |
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368 |
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369 <listitem> |
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370 <para> |
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371 после обработки поля <literal>Host</literal> заголовка запроса |
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372 </para> |
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373 </listitem> |
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374 |
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375 <listitem> |
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376 <para> |
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377 если после обработки строки запроса или |
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378 поля <literal>Host</literal> заголовка запроса имя сервера не было выбрано, |
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379 то nginx будет использовать пустое имя в качестве имени сервера. |
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380 </para> |
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381 </listitem> |
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382 |
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383 </list> |
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384 |
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385 На каждой из этих стадий могут применяться различные конфигурации сервера. |
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386 Таким образом, некоторые директивы следует указывать с осторожностью: |
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387 <list type="bullet"> |
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388 |
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389 <listitem> |
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390 в случае использования |
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391 директивы <link doc="ngx_http_ssl_module.xml" id="ssl_protocols"/> |
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392 список протоколов задаётся библиотекой OpenSSL |
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393 перед применением конфигурации сервера согласно имени, |
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394 запрашиваемого через SNI. |
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395 Таким образом, протоколы должны быть заданы только для сервера по умолчанию; |
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396 </listitem> |
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397 |
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398 <listitem> |
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399 директивы |
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400 <link doc="ngx_http_core_module.xml" id="client_header_buffer_size"/> |
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401 и |
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402 <link doc="ngx_http_core_module.xml" id="merge_slashes"/> |
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403 задействуются перед чтением строки запроса, |
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404 таким образом они используют конфигурацию сервера по умолчанию или |
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405 конфигурацию сервера, выбранного через SNI; |
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406 </listitem> |
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407 |
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408 <listitem> |
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409 в случае использования директив |
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410 <link doc="ngx_http_core_module.xml" id="ignore_invalid_headers"/>, |
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411 <link doc="ngx_http_core_module.xml" id="large_client_header_buffers"/> |
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412 и |
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413 <link doc="ngx_http_core_module.xml" id="underscores_in_headers"/>, |
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414 которые участвуют в обработке полей заголовка запроса, |
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415 выбор сервера дополнительно зависит от того, |
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416 была ли обновлена конфигурация сервера |
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417 согласно строке запроса или полю заголовка <literal>Host</literal>; |
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418 </listitem> |
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419 |
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420 <listitem> |
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421 ошибочный ответ будет обработан с помощью |
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422 директивы <link doc="ngx_http_core_module.xml" id="error_page"/> |
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423 в том сервере, который в настоящий момент выполняет запрос. |
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424 </listitem> |
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425 |
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426 </list> |
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427 </para> |
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428 |
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429 </section> |
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430 |
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431 |
645
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432 <section id="optimization" |
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433 name="Оптимизация"> |
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434 |
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435 <para> |
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436 Точные имена, имена с масками, начинающиеся со звёздочки, |
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437 и имена с масками, заканчивающиеся на звёздочку, хранятся |
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438 в трёх хэш-таблицах, привязанных к слушающим портам. |
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439 Размеры хэш-таблиц оптимизируются на фазе конфигурации таким образом, |
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440 что имя может быть найдено с минимальным числом непопаданий в кэш процессора. |
659
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441 Подробнее настройка хэш-таблиц обсуждается в отдельном |
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442 <link doc="../hash.xml">документе</link>. |
645
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443 </para> |
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444 |
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445 <para> |
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446 В первую очередь имя ищется в хэш-таблице точных имён. |
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447 Если имя не было найдено, то имя ищется в хэш-таблице имён с масками, |
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448 начинающихся со звёздочки. |
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449 Если и там поиск не дал результата, то имя ищется в хэш-таблице имён с масками, |
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450 оканчивающихся на звёздочку. |
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451 </para> |
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452 |
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453 <para> |
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454 Поиск в хэш-таблице имён с масками медленнее, чем поиск в хэш-таблице точных |
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455 имён, поскольку имена сравниваются по доменным частям. |
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456 Заметьте, что специальное имя с маской вида “<literal>.example.org</literal>” |
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457 хранится в хэш-таблице имён с масками, а не в хэш-таблице точных имён. |
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458 </para> |
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459 |
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460 <para> |
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461 Регулярные выражения проверяются последовательно, |
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462 а значит являются самым медленным и плохо масштабируемым методом. |
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463 </para> |
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464 |
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465 <para> |
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466 По вышеизложенным причинам предпочтительнее использовать точные имена, |
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467 где это только возможно. |
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|
468 Например, если к серверу наиболее часто обращаются по именам |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
469 <literal>example.org</literal> и <literal>www.example.org</literal>, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
470 то эффективнее будет указать их явно: |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
471 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
472 <programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
473 server { |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
474 listen 80; |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
475 server_name example.org www.example.org *.example.org; |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
476 ... |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
477 } |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
478 </programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
479 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
480 нежели чем использовать упрощённую форму: |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
481 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
482 <programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
483 server { |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
484 listen 80; |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
485 server_name .example.org; |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
486 ... |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
487 } |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
488 </programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
489 </para> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
490 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
491 <para> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
492 Если задано большое число имён серверов, либо заданы необычно |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
493 длинные имена, возможно потребуется скорректировать значения директив |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
494 <link doc="ngx_http_core_module.xml" id="server_names_hash_max_size"/> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
495 и <link doc="ngx_http_core_module.xml" id="server_names_hash_bucket_size"/> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
496 на уровне <i>http</i>. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
497 Значение по умолчанию директивы |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
498 <link doc="ngx_http_core_module.xml" id="server_names_hash_bucket_size"/> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
499 может быть равно 32, 64, либо другой величине, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
500 в зависимости от размера строки кэша процессора. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
501 Если значение по умолчанию равно 32 и имя сервера задано как |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
502 “<literal>too.long.server.name.example.org</literal>”, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
503 то nginx откажется запускаться и выдаст сообщение об ошибке: |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
504 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
505 <programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
506 could not build the server_names_hash, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
507 you should increase server_names_hash_bucket_size: 32 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
508 </programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
509 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
510 В этом случае следует увеличить значение директивы до следующей степени двойки: |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
511 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
512 <programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
513 http { |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
514 server_names_hash_bucket_size 64; |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
515 ... |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
516 </programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
517 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
518 Если задано большое число имён серверов, то будет выдано другое |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
519 сообщение об ошибке: |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
520 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
521 <programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
522 could not build the server_names_hash, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
523 you should increase either server_names_hash_max_size: 512 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
524 or server_names_hash_bucket_size: 32 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
525 </programlisting> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
526 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
527 В таком случае сначала следует попробовать установить |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
528 <link doc="ngx_http_core_module.xml" id="server_names_hash_max_size"/> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
529 в величину, близкую к числу имён серверов, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
530 и только если это не поможет |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
531 или время запуска nginx станет неприемлемо большим, следует попытаться увеличить |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
532 <link doc="ngx_http_core_module.xml" id="server_names_hash_bucket_size"/>. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
533 </para> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
534 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
535 <para> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
536 Если сервер является единственным сервером для слушающего порта, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
537 то nginx не будет проверять имена сервера вообще (а также не будет |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
538 строить хэш-таблицы для слушающего порта). |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
539 За одним исключением: если имя сервера задано регулярным выражением |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
540 с выделениями, то nginx’у придётся выполнить это выражение, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
541 чтобы получить значения выделений. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
542 </para> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
543 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
544 </section> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
545 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
546 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
547 <section id="compatibility" |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
548 name="Совместимость"> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
549 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
550 <para> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
551 <list type="bullet"> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
552 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
553 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
554 Специальное имя сервера “<literal>$hostname</literal>” поддерживается начиная с |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
555 версии 0.9.4. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
556 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
557 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
558 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
559 Имя сервера по умолчанию является пустой строкой “” начиная с версии 0.8.48. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
560 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
561 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
562 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
563 Именованные выделения в именах серверов, заданных с помощью регулярных |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
564 выражений, поддерживаются начиная с версии 0.8.25. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
565 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
566 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
567 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
568 Выделения в именах серверов, заданных с помощью регулярных выражений, |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
569 поддерживаются начиная с версии 0.7.40. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
570 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
571 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
572 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
573 Пустое имя сервера “” поддерживается начиная с версии 0.7.12. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
574 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
575 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
576 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
577 В качестве первого имени сервера можно задать маску или регулярное выражение |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
578 начиная с версии 0.6.25. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
579 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
580 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
581 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
582 Регулярные выражения в имени сервера поддерживаются начиная с версии 0.6.7. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
583 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
584 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
585 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
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586 Имена с маской вида <literal>example.*</literal> поддерживаются начиная |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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587 с версии 0.6.0. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
|
588 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
589 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
590 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
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591 Специальная форма имени вида <literal>.example.org</literal> поддерживается |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
592 начиная с версии 0.3.18. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
593 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
594 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
595 <listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
596 Имена с маской вида <literal>*.example.org</literal> поддерживаются начиная |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
597 с версии 0.1.13. |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
598 </listitem> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
599 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
|
600 </list> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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|
601 </para> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
602 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
|
603 </section> |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
604 |
bb450e295ca2
Translated "Server names" into Russian and slightly changed original layout.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
|
605 </article> |