Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_proxy_module.xml @ 971:6316a7579448
Documented the "ngx_http_auth_request" module.
author | Vladimir Homutov <vl@nginx.com> |
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date | Thu, 22 Aug 2013 17:23:42 +0400 |
parents | 95c3c3bbf1ce |
children | e4704604ed29 |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
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10 <module name="Module ngx_http_proxy_module" |
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11 link="/en/docs/http/ngx_http_proxy_module.html" |
589 | 12 lang="en" |
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13 rev="12"> |
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14 |
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15 <section id="summary"> |
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16 |
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17 <para> |
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18 The <literal>ngx_http_proxy_module</literal> module allows passing |
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19 requests to another server. |
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20 </para> |
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21 |
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22 </section> |
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23 |
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24 |
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25 <section id="example" name="Example Configuration"> |
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26 |
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27 <para> |
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28 <example> |
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29 location / { |
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30 proxy_pass http://localhost:8000; |
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31 proxy_set_header Host $host; |
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32 proxy_set_header X-Real-IP $remote_addr; |
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33 } |
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34 </example> |
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35 </para> |
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36 |
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37 </section> |
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38 |
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39 |
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40 <section id="directives" name="Directives"> |
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41 |
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42 <directive name="proxy_bind"> |
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43 <syntax><value>address</value> | <literal>off</literal></syntax> |
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44 <default/> |
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45 <context>http</context> |
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46 <context>server</context> |
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47 <context>location</context> |
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48 <appeared-in>0.8.22</appeared-in> |
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49 |
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50 <para> |
966 | 51 Makes outgoing connections to a proxied server originate |
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52 from the specified local IP <value>address</value>. |
966 | 53 Parameter value can contain variables (1.3.12). |
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54 The special value <literal>off</literal> (1.3.12) cancels the effect |
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55 of the <literal>proxy_bind</literal> directive |
966 | 56 inherited from the previous configuration level, which allows the |
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57 system to auto-assign the local IP address. |
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58 </para> |
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59 |
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60 </directive> |
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61 |
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62 |
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63 <directive name="proxy_buffer_size"> |
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64 <syntax><value>size</value></syntax> |
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65 <default>4k|8k</default> |
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66 <context>http</context> |
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67 <context>server</context> |
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68 <context>location</context> |
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69 |
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70 <para> |
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71 Sets the <value>size</value> of the buffer used for reading the first part |
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72 of a response received from the proxied server. |
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73 This part usually contains a small response header. |
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74 By default, the buffer size is equal to the size of one |
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75 buffer set by the <link id="proxy_buffers"/> directive. |
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76 It can be made smaller however. |
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77 </para> |
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78 |
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79 </directive> |
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80 |
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81 |
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82 <directive name="proxy_buffering"> |
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83 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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84 <default>on</default> |
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85 <context>http</context> |
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86 <context>server</context> |
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87 <context>location</context> |
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88 |
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89 <para> |
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90 Enables or disables buffering of responses from the proxied server. |
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91 </para> |
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92 |
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93 <para> |
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94 When buffering is enabled, nginx receives a response from the proxied server |
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95 as soon as possible, saving it into the buffers set by the |
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96 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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97 If the whole response does not fit into memory, a part of it can be saved |
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98 to a <link id="proxy_temp_path">temporary file</link> on the disk. |
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99 Writing to temporary files is controlled by the |
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100 <link id="proxy_max_temp_file_size"/> and |
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101 <link id="proxy_temp_file_write_size"/> directives. |
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102 </para> |
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103 |
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104 <para> |
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105 When buffering is disabled, a response is passed to a client synchronously, |
362 | 106 immediately as it is received. |
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107 nginx will not try to read the whole response from the proxied server. |
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108 The maximum size of the data that nginx can receive from the server |
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109 at a time is set by the <link id="proxy_buffer_size"/> directive. |
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110 </para> |
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111 |
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112 <para> |
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113 Buffering can also be enabled or disabled by passing |
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114 “<literal>yes</literal>” or “<literal>no</literal>” in the |
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115 <header>X-Accel-Buffering</header> response header field. |
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116 This capability can be disabled using the |
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117 <link doc="ngx_http_proxy_module.xml" id="proxy_ignore_headers"/> directive. |
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118 </para> |
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119 |
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120 </directive> |
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121 |
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122 |
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123 <directive name="proxy_buffers"> |
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124 <syntax><value>number</value> <value>size</value></syntax> |
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125 <default>8 4k|8k</default> |
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126 <context>http</context> |
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127 <context>server</context> |
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128 <context>location</context> |
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129 |
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130 <para> |
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131 Sets the <value>number</value> and <value>size</value> of |
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132 buffers used for reading a response from the proxied server, |
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133 for a single connection. |
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134 By default, the buffer size is equal to one memory page. |
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135 This is either 4K or 8K, depending on a platform. |
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136 </para> |
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137 |
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138 </directive> |
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139 |
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140 |
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141 <directive name="proxy_busy_buffers_size"> |
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142 <syntax><value>size</value></syntax> |
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143 <default>8k|16k</default> |
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144 <context>http</context> |
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145 <context>server</context> |
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146 <context>location</context> |
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147 |
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148 <para> |
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149 When <link id="proxy_buffering">buffering</link> of responses from the proxied |
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150 server is enabled, limits the total <value>size</value> of buffers that |
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151 can be busy sending a response to the client while the response is not |
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152 yet fully read. |
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153 In the mean time, the rest of the buffers can be used for reading a response |
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154 and, if needed, buffering part of a response to a temporary file. |
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155 By default, <value>size</value> is limited by the size of two buffers set by the |
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156 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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157 </para> |
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158 |
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159 </directive> |
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160 |
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161 |
281
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162 <directive name="proxy_cache"> |
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163 <syntax><value>zone</value> | <literal>off</literal></syntax> |
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164 <default>off</default> |
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165 <context>http</context> |
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166 <context>server</context> |
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167 <context>location</context> |
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168 |
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169 <para> |
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170 Defines a shared memory zone used for caching. |
281
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171 The same zone can be used in several places. |
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172 The <literal>off</literal> parameter disables caching inherited |
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173 from the previous configuration level. |
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174 </para> |
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175 |
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176 </directive> |
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177 |
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178 |
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179 <directive name="proxy_cache_bypass"> |
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180 <syntax><value>string</value> ...</syntax> |
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181 <default/> |
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182 <context>http</context> |
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183 <context>server</context> |
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184 <context>location</context> |
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185 |
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186 <para> |
294 | 187 Defines conditions under which the response will not be taken from a cache. |
281
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188 If at least one value of the string parameters is not empty and is not |
294 | 189 equal to “0” then the response will not be taken from the cache: |
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190 <example> |
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191 proxy_cache_bypass $cookie_nocache $arg_nocache$arg_comment; |
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192 proxy_cache_bypass $http_pragma $http_authorization; |
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193 </example> |
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194 Can be used along with the <link id="proxy_no_cache"/> directive. |
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195 </para> |
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196 |
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197 </directive> |
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198 |
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199 |
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200 <directive name="proxy_cache_key"> |
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201 <syntax><value>string</value></syntax> |
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202 <default>$scheme$proxy_host$request_uri</default> |
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203 <context>http</context> |
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204 <context>server</context> |
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205 <context>location</context> |
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206 |
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207 <para> |
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208 Defines a key for caching, for example |
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209 <example> |
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210 proxy_cache_key "$host$request_uri $cookie_user"; |
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211 </example> |
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212 By default, the directive’s value is close to the string |
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213 <example> |
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214 proxy_cache_key $scheme$proxy_host$uri$is_args$args; |
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215 </example> |
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216 </para> |
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217 |
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218 </directive> |
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219 |
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220 |
302
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221 <directive name="proxy_cache_lock"> |
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222 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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223 <default>off</default> |
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224 <context>http</context> |
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225 <context>server</context> |
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226 <context>location</context> |
310
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227 <appeared-in>1.1.12</appeared-in> |
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228 |
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229 <para> |
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230 When enabled, only one request at a time will be allowed to populate |
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231 a new cache element identified according to the <link id="proxy_cache_key"/> |
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232 directive by passing a request to a proxied server. |
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233 Other requests of the same cache element will either wait |
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234 for a response to appear in the cache or the cache lock for |
302
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235 this element to be released, up to the time set by the |
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236 <link id="proxy_cache_lock_timeout"/> directive. |
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237 </para> |
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238 |
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239 </directive> |
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240 |
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241 |
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242 <directive name="proxy_cache_lock_timeout"> |
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243 <syntax><value>time</value></syntax> |
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244 <default>5s</default> |
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245 <context>http</context> |
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246 <context>server</context> |
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247 <context>location</context> |
310
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248 <appeared-in>1.1.12</appeared-in> |
302
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249 |
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250 <para> |
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251 Sets a timeout for <link id="proxy_cache_lock"/>. |
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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 |
790
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257 <directive name="proxy_cache_methods"> |
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258 <syntax> |
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259 <literal>GET</literal> | |
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260 <literal>HEAD</literal> | |
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261 <literal>POST</literal> |
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262 ...</syntax> |
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263 <default>GET HEAD</default> |
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264 <context>http</context> |
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265 <context>server</context> |
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266 <context>location</context> |
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267 <appeared-in>0.7.59</appeared-in> |
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268 |
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269 <para> |
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270 If the client request method is listed in this directive then |
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271 the response will be cached. |
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272 “<literal>GET</literal>” and “<literal>HEAD</literal>” methods are always |
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273 added to the list, though it is recommended to specify them explicitly. |
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274 See also the <link id="proxy_no_cache"/> directive. |
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275 </para> |
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276 |
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277 </directive> |
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278 |
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279 |
281
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280 <directive name="proxy_cache_min_uses"> |
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281 <syntax><value>number</value></syntax> |
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282 <default>1</default> |
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283 <context>http</context> |
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284 <context>server</context> |
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285 <context>location</context> |
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286 |
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287 <para> |
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288 Sets the <value>number</value> of requests after which the response |
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289 will be cached. |
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290 </para> |
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291 |
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292 </directive> |
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293 |
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294 |
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295 <directive name="proxy_cache_path"> |
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296 <syntax> |
364 | 297 <value>path</value> |
298 [<literal>levels</literal>=<value>levels</value>] | |
299 <literal>keys_zone</literal>=<value>name</value>:<value>size</value> | |
300 [<literal>inactive</literal>=<value>time</value>] | |
508
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301 [<literal>max_size</literal>=<value>size</value>] |
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302 [<literal>loader_files</literal>=<value>number</value>] |
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303 [<literal>loader_sleep</literal>=<value>time</value>] |
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304 [<literal>loader_threshold</literal>=<value>time</value>]</syntax> |
281
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305 <default/> |
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306 <context>http</context> |
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307 |
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308 <para> |
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309 Sets the path and other parameters of a cache. |
281
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310 Cache data are stored in files. |
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311 Both the key and file name in a cache are a result of |
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312 applying the MD5 function to the proxied URL. |
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313 |
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314 The <literal>levels</literal> parameter defines hierarchy levels of a cache. |
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315 For example, in the following configuration |
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316 <example> |
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317 proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; |
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318 </example> |
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319 file names in a cache will look like this: |
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320 <example> |
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321 /data/nginx/cache/<emphasis>c</emphasis>/<emphasis>29</emphasis>/b7f54b2df7773722d382f4809d650<emphasis>29c</emphasis> |
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322 </example> |
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323 </para> |
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324 |
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325 <para> |
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326 A cached response is first written to a temporary file, |
966 | 327 and then the file is renamed. |
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328 Starting from version 0.8.9, temporary files and the cache can be put on |
966 | 329 different file systems. |
330 However, be aware that in this case a file is copied | |
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331 across two file systems instead of the cheap renaming operation. |
281
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332 It is thus recommended that for any given location both cache and a directory |
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333 holding temporary files, set by the <link id="proxy_temp_path"/> directive, |
281
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334 are put on the same file system. |
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335 </para> |
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336 |
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337 <para> |
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338 In addition, all active keys and information about data are stored |
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339 in a shared memory zone, whose <value>name</value> and <value>size</value> |
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340 are configured by the <literal>keys_zone</literal> parameter. |
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341 Cached data that are not accessed during the time specified by the |
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342 <literal>inactive</literal> parameter get removed from the cache |
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343 regardless of their freshness. |
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344 By default, <literal>inactive</literal> is set to 10 minutes. |
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345 </para> |
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346 |
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347 <para> |
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348 The special “cache manager” process monitors the maximum cache size set |
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349 by the <literal>max_size</literal> parameter. |
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350 When this size is exceeded, it removes the least recently used data. |
281
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351 </para> |
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352 |
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353 <para> |
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354 A minute after the start the special “cache loader” process is activated. |
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355 It loads information about previously cached data stored on file system |
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356 into a cache zone. |
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357 The loading is done in iterations. |
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358 During one iteration no more than <literal>loader_files</literal> items |
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359 are loaded (by default, 100). |
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360 Besides, the duration of one iteration is limited by the |
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361 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). |
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362 Between iterations, a pause configured by the <literal>loader_sleep</literal> |
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363 parameter (by default, 50 milliseconds) is made. |
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364 </para> |
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365 |
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366 </directive> |
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367 |
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368 |
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369 <directive name="proxy_cache_use_stale"> |
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370 <syntax> |
364 | 371 <literal>error</literal> | |
372 <literal>timeout</literal> | | |
373 <literal>invalid_header</literal> | | |
374 <literal>updating</literal> | | |
375 <literal>http_500</literal> | | |
376 <literal>http_502</literal> | | |
377 <literal>http_503</literal> | | |
378 <literal>http_504</literal> | | |
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379 <literal>http_403</literal> | |
364 | 380 <literal>http_404</literal> | |
381 <literal>off</literal> | |
382 ...</syntax> | |
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383 <default>off</default> |
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384 <context>http</context> |
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385 <context>server</context> |
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386 <context>location</context> |
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387 |
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388 <para> |
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389 Determines in which cases a stale cached response can be used |
966 | 390 when an error occurs during communication with the proxied server. |
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391 The directive’s parameters match the parameters of the |
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392 <link id="proxy_next_upstream"/> directive. |
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393 </para> |
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394 |
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395 <para> |
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396 Additionally, the <literal>updating</literal> parameter permits |
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397 using a stale cached response if it is currently being updated. |
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398 This allows minimizing the number of accesses to proxied servers |
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399 when updating cached data. |
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400 </para> |
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401 |
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402 <para> |
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403 To minimize the number of accesses to proxied servers when |
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404 populating a new cache element, the <link id="proxy_cache_lock"/> |
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405 directive can be used. |
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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="proxy_cache_valid"> |
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412 <syntax>[<value>code</value> ...] <value>time</value></syntax> |
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413 <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 |
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418 <para> |
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419 Sets caching time for different response codes. |
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420 For example, the following directives |
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421 <example> |
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422 proxy_cache_valid 200 302 10m; |
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423 proxy_cache_valid 404 1m; |
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424 </example> |
966 | 425 set 10 minutes of caching for responses with codes 200 and 302 |
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426 and 1 minute for responses with code 404. |
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427 </para> |
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428 |
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429 <para> |
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430 If only caching <value>time</value> is specified |
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431 <example> |
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432 proxy_cache_valid 5m; |
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433 </example> |
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434 then only 200, 301, and 302 responses are cached. |
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435 </para> |
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436 |
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437 <para> |
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438 In addition, the <literal>any</literal> parameter can be specified |
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439 to cache any responses: |
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440 <example> |
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441 proxy_cache_valid 200 302 10m; |
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442 proxy_cache_valid 301 1h; |
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443 proxy_cache_valid any 1m; |
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444 </example> |
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445 </para> |
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446 |
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447 <para> |
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448 Parameters of caching can also be set directly |
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449 in the response header. |
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450 This has higher priority than setting of caching time using the directive. |
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451 The <header>X-Accel-Expires</header> header field sets caching time of a |
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452 response in seconds. |
966 | 453 The zero value disables caching for a response. |
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454 If a value starts with the <literal>@</literal> prefix, it sets an absolute |
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455 time in seconds since Epoch, up to which the response may be cached. |
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456 If header does not include the <header>X-Accel-Expires</header> field, |
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457 parameters of caching may be set in the header fields |
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458 <header>Expires</header> or <header>Cache-Control</header>. |
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459 If a header includes the <header>Set-Cookie</header> field, such a |
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460 response will not be cached. |
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461 Processing of one or more of these response header fields can be disabled |
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462 using the <link id="proxy_ignore_headers"/> directive. |
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463 </para> |
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464 |
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465 </directive> |
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466 |
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467 |
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468 <directive name="proxy_connect_timeout"> |
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469 <syntax><value>time</value></syntax> |
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470 <default>60s</default> |
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471 <context>http</context> |
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472 <context>server</context> |
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473 <context>location</context> |
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474 |
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475 <para> |
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476 Defines a timeout for establishing a connection with a proxied server. |
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477 It should be noted that this timeout cannot usually exceed 75 seconds. |
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478 </para> |
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479 |
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480 </directive> |
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481 |
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482 |
417
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483 <directive name="proxy_cookie_domain"> |
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484 <syntax><literal>off</literal></syntax> |
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485 <syntax><value>domain</value> <value>replacement</value></syntax> |
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486 <default>off</default> |
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487 <context>http</context> |
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488 <context>server</context> |
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489 <context>location</context> |
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490 <appeared-in>1.1.15</appeared-in> |
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491 |
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492 <para> |
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493 Sets a text that should be changed in the <literal>domain</literal> |
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494 attribute of the <header>Set-Cookie</header> header fields of a |
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495 proxied server response. |
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496 Suppose a proxied server returned the <header>Set-Cookie</header> |
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497 header field with the attribute |
417
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498 “<literal>domain=localhost</literal>”. |
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499 The directive |
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500 <example> |
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501 proxy_cookie_domain localhost example.org; |
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502 </example> |
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503 will rewrite this attribute to |
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504 “<literal>domain=example.org</literal>”. |
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505 </para> |
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506 |
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507 <para> |
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508 A dot at the beginning of the <value>domain</value> and |
959
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509 <value>replacement</value> strings and the <literal>domain</literal> |
417
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510 attribute is ignored. |
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511 Matching is case-insensitive. |
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512 </para> |
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513 |
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514 <para> |
959
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515 The <value>domain</value> and <value>replacement</value> strings |
417
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516 can contain variables: |
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517 <example> |
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518 proxy_cookie_domain www.$host $host; |
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519 </example> |
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520 </para> |
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521 |
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522 <para> |
959
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523 The directive can also be specified using regular expressions. |
417
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524 In this case, <value>domain</value> should start from |
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525 the “<literal>~</literal>” symbol. |
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526 A regular expression can contain named and positional captures, |
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527 and <value>replacement</value> can reference them: |
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528 <example> |
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529 proxy_cookie_domain ~\.(?P<sl_domain>[-0-9a-z]+\.[a-z]+)$ $sl_domain; |
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530 </example> |
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531 </para> |
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532 |
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533 <para> |
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534 There could be several <literal>proxy_cookie_domain</literal> directives: |
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535 <example> |
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536 proxy_cookie_domain localhost example.org; |
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537 proxy_cookie_domain ~\.([a-z]+\.[a-z]+)$ $1; |
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538 </example> |
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539 </para> |
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diff
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|
540 |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
541 <para> |
959
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542 The <literal>off</literal> parameter cancels the effect of all |
417
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
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|
543 <literal>proxy_cookie_domain</literal> directives on the current level: |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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544 <example> |
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545 proxy_cookie_domain off; |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
546 proxy_cookie_domain localhost example.org; |
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547 proxy_cookie_domain www.example.org example.org; |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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548 </example> |
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549 </para> |
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diff
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|
550 |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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551 </directive> |
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diff
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|
552 |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
553 |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
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|
554 <directive name="proxy_cookie_path"> |
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405
diff
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|
555 <syntax><literal>off</literal></syntax> |
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|
556 <syntax><value>path</value> <value>replacement</value></syntax> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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405
diff
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557 <default>off</default> |
cbc2d1b51cb6
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diff
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|
558 <context>http</context> |
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|
559 <context>server</context> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
560 <context>location</context> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
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|
561 <appeared-in>1.1.15</appeared-in> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
562 |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
563 <para> |
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405
diff
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|
564 Sets a text that should be changed in the <literal>path</literal> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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405
diff
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|
565 attribute of the <header>Set-Cookie</header> header fields of a |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
566 proxied server response. |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
567 Suppose a proxied server returned the <header>Set-Cookie</header> |
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
568 header field with the attribute |
417
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
569 “<literal>path=/two/some/uri/</literal>”. |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
changeset
|
570 The directive |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
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|
571 <example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
572 proxy_cookie_path /two/ /; |
cbc2d1b51cb6
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parents:
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diff
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|
573 </example> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
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|
574 will rewrite this attribute to |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
575 “<literal>path=/some/uri/</literal>”. |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
changeset
|
576 </para> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
577 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
changeset
|
578 <para> |
959
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Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
579 The <value>path</value> and <value>replacement</value> strings |
417
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
580 can contain variables: |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
changeset
|
581 <example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
changeset
|
582 proxy_cookie_path $uri /some$uri; |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
changeset
|
583 </example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
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|
584 </para> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
585 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
changeset
|
586 <para> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
587 The directive can also be specified using regular expressions. |
417
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
588 In this case, <value>path</value> should either start from |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
589 the “<literal>~</literal>” symbol for a case-sensitive matching, |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
590 or from the “<literal>~*</literal>” symbols for case-insensitive |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
591 matching. |
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|
592 A regular expression can contain named and positional captures, |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
593 and <value>replacement</value> can reference them: |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
594 <example> |
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595 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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596 </example> |
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597 </para> |
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|
598 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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changeset
|
599 <para> |
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parents:
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|
600 There could be several <literal>proxy_cookie_path</literal> directives: |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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601 <example> |
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602 proxy_cookie_path /one/ /; |
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|
603 proxy_cookie_path / /two/; |
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604 </example> |
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|
605 </para> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
606 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
607 <para> |
959
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Text review of ngx_http_proxy_module.
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|
608 The <literal>off</literal> parameter cancels the effect of all |
417
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
609 <literal>proxy_cookie_path</literal> directives on the current level: |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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|
610 <example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
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|
611 proxy_cookie_path off; |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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|
612 proxy_cookie_path /two/ /; |
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|
613 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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614 </example> |
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|
615 </para> |
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616 |
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617 </directive> |
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618 |
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619 |
799
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|
620 <directive name="proxy_headers_hash_bucket_size"> |
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621 <syntax><value>size</value></syntax> |
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622 <default>64</default> |
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623 <context>http</context> |
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624 <context>server</context> |
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625 <context>location</context> |
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626 |
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|
627 <para> |
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|
628 Sets the bucket <value>size</value> for hash tables |
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629 used by the <link id="proxy_hide_header"/> and <link id="proxy_set_header"/> |
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parents:
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diff
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|
630 directives. |
959
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Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
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|
631 The details of setting up hash tables are provided in a separate |
799
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|
632 <link doc="../hash.xml">document</link>. |
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|
633 </para> |
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|
634 |
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parents:
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diff
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|
635 </directive> |
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diff
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|
636 |
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parents:
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diff
changeset
|
637 |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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changeset
|
638 <directive name="proxy_headers_hash_max_size"> |
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Vladimir Homutov <vl@nginx.com>
parents:
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|
639 <syntax><value>size</value></syntax> |
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Vladimir Homutov <vl@nginx.com>
parents:
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|
640 <default>512</default> |
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parents:
790
diff
changeset
|
641 <context>http</context> |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
790
diff
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|
642 <context>server</context> |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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parents:
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|
643 <context>location</context> |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
644 |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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parents:
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diff
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|
645 <para> |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
646 Sets the maximum <value>size</value> of hash tables |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
790
diff
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|
647 used by the <link id="proxy_hide_header"/> and <link id="proxy_set_header"/> |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
790
diff
changeset
|
648 directives. |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
649 The details of setting up hash tables are provided in a separate |
799
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Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
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|
650 <link doc="../hash.xml">document</link>. |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
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parents:
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changeset
|
651 </para> |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
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parents:
790
diff
changeset
|
652 |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
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|
653 </directive> |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
654 |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
655 |
281
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
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|
656 <directive name="proxy_hide_header"> |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
657 <syntax><value>field</value></syntax> |
7142ddd2764c
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|
658 <default/> |
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parents:
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|
659 <context>http</context> |
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|
660 <context>server</context> |
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Translated current version of ngx_http_proxy_module documentation into English.
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|
661 <context>location</context> |
7142ddd2764c
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changeset
|
662 |
7142ddd2764c
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parents:
diff
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|
663 <para> |
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|
664 By default, |
7142ddd2764c
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parents:
diff
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|
665 nginx does not pass the header fields <header>Date</header>, |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
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|
666 <header>Server</header>, <header>X-Pad</header>, and |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
667 <header>X-Accel-...</header> from the response of a proxied |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
668 server to a client. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
669 The <literal>proxy_hide_header</literal> directive sets additional fields |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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changeset
|
670 that will not be passed. |
294 | 671 If, on the contrary, the passing of fields needs to be permitted, |
281
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parents:
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|
672 the <link id="proxy_pass_header"/> directive can be used. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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|
673 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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changeset
|
674 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
675 </directive> |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
676 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
677 |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
678 <directive name="proxy_http_version"> |
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310
diff
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679 <syntax><literal>1.0</literal> | <literal>1.1</literal></syntax> |
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diff
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|
680 <default>1.0</default> |
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310
diff
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|
681 <context>http</context> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
682 <context>server</context> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
683 <context>location</context> |
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310
diff
changeset
|
684 <appeared-in>1.1.4</appeared-in> |
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diff
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|
685 |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
686 <para> |
1fb1c077658b
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diff
changeset
|
687 Sets the HTTP protocol version for proxying. |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
688 By default, version 1.0 is used. |
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parents:
310
diff
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|
689 Version 1.1 is recommended for use with |
1fb1c077658b
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diff
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|
690 <link doc="ngx_http_upstream_module.xml" id="keepalive"/> |
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diff
changeset
|
691 connections. |
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diff
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|
692 </para> |
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diff
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|
693 |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
694 </directive> |
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|
695 |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
696 |
281
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parents:
diff
changeset
|
697 <directive name="proxy_ignore_client_abort"> |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
698 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
699 <default>off</default> |
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|
700 <context>http</context> |
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|
701 <context>server</context> |
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|
702 <context>location</context> |
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|
703 |
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|
704 <para> |
959
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|
705 Determines whether the connection with a proxied server should be |
fbb4cc6f8c3d
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|
706 closed when a client closes a connection without waiting |
294 | 707 for a response. |
281
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|
708 </para> |
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|
709 |
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changeset
|
710 </directive> |
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changeset
|
711 |
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diff
changeset
|
712 |
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diff
changeset
|
713 <directive name="proxy_ignore_headers"> |
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parents:
diff
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|
714 <syntax><value>field</value> ...</syntax> |
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parents:
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|
715 <default/> |
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parents:
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|
716 <context>http</context> |
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parents:
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|
717 <context>server</context> |
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|
718 <context>location</context> |
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diff
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|
719 |
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|
720 <para> |
294 | 721 Disables processing of certain response header fields from the proxied server. |
281
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|
722 The following fields can be ignored: <header>X-Accel-Redirect</header>, |
7142ddd2764c
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changeset
|
723 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
7142ddd2764c
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parents:
diff
changeset
|
724 <header>X-Accel-Buffering</header> (1.1.6), |
7142ddd2764c
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parents:
diff
changeset
|
725 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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parents:
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changeset
|
726 <header>Cache-Control</header>, and <header>Set-Cookie</header> (0.8.44). |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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|
727 </para> |
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parents:
diff
changeset
|
728 |
506
657848837328
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diff
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|
729 <para> |
959
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Text review of ngx_http_proxy_module.
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942
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|
730 If not disabled, processing of these header fields has the following |
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
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parents:
942
diff
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|
731 effect: |
506
657848837328
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504
diff
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|
732 <list type="bullet" compact="no"> |
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diff
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|
733 |
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diff
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|
734 <listitem> |
657848837328
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parents:
504
diff
changeset
|
735 <header>X-Accel-Expires</header>, <header>Expires</header>, |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
736 <header>Cache-Control</header>, and <header>Set-Cookie</header> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
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diff
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|
737 set the parameters of response <link id="proxy_cache_valid">caching</link>; |
506
657848837328
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Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
738 </listitem> |
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diff
changeset
|
739 |
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parents:
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diff
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|
740 <listitem> |
657848837328
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parents:
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diff
changeset
|
741 <header>X-Accel-Redirect</header> performs an |
657848837328
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parents:
504
diff
changeset
|
742 <link doc="ngx_http_core_module.xml" id="internal">internal |
657848837328
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parents:
504
diff
changeset
|
743 redirect</link> to the specified URI; |
657848837328
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parents:
504
diff
changeset
|
744 </listitem> |
657848837328
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parents:
504
diff
changeset
|
745 |
657848837328
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parents:
504
diff
changeset
|
746 <listitem> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
747 <header>X-Accel-Limit-Rate</header> sets the |
506
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
748 <link doc="ngx_http_core_module.xml" id="limit_rate">rate |
657848837328
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parents:
504
diff
changeset
|
749 limit</link> for transmission of a response to a client; |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
750 </listitem> |
657848837328
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parents:
504
diff
changeset
|
751 |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
752 <listitem> |
657848837328
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parents:
504
diff
changeset
|
753 <header>X-Accel-Buffering</header> enables or disables |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
754 <link id="proxy_buffering">buffering</link> of a response; |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
755 </listitem> |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
756 |
657848837328
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parents:
504
diff
changeset
|
757 <listitem> |
657848837328
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parents:
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diff
changeset
|
758 <header>X-Accel-Charset</header> sets the desired |
657848837328
Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
759 <link doc="ngx_http_charset_module.xml" id="charset"/> |
657848837328
Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
760 of a response. |
657848837328
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parents:
504
diff
changeset
|
761 </listitem> |
657848837328
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parents:
504
diff
changeset
|
762 |
657848837328
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parents:
504
diff
changeset
|
763 </list> |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
764 </para> |
657848837328
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parents:
504
diff
changeset
|
765 |
281
7142ddd2764c
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parents:
diff
changeset
|
766 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
767 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
768 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
769 <directive name="proxy_intercept_errors"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
770 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
771 <default>off</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
772 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
773 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
774 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
775 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
776 <para> |
297 | 777 Determines whether proxied responses with codes greater than or equal |
907
43887f41bb17
Corrected the descriptions of {proxy,fastcgi}_intercept_errors.
Ruslan Ermilov <ru@nginx.com>
parents:
849
diff
changeset
|
778 to 300 should be passed to a client or be redirected to nginx for processing |
966 | 779 with the <link doc="ngx_http_core_module.xml" id="error_page"/> directive. |
281
7142ddd2764c
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parents:
diff
changeset
|
780 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
781 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
782 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
783 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
784 |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
785 <directive name="proxy_max_temp_file_size"> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
786 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
787 <default>1024m</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
788 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
789 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
790 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
791 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
792 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
793 When <link id="proxy_buffering">buffering</link> of responses from the proxied |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
794 server is enabled, and the whole response does not fit into the memory buffers |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
795 set by the <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> |
966 | 796 directives, a part of the response can be saved to a temporary file. |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
797 This directive sets the maximum <value>size</value> of a temporary file. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
798 The size of data written to a temporary file at a time is set |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
799 by the <link id="proxy_temp_file_write_size"/> directive. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
800 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
801 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
802 <para> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
803 The zero value disables buffering of responses to temporary files. |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
804 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
805 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
806 </directive> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
807 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
808 |
787
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
809 <directive name="proxy_method"> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
810 <syntax><value>method</value></syntax> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
811 <default/> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
812 <context>http</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
813 <context>server</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
814 <context>location</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
815 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
816 <para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
817 Specifies the HTTP <value>method</value> to use in requests forwarded |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
818 to the proxied server instead of the method from the client request. |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
819 </para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
820 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
821 </directive> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
822 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
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|
823 |
281
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|
824 <directive name="proxy_next_upstream"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
825 <syntax> |
364 | 826 <literal>error</literal> | |
827 <literal>timeout</literal> | | |
828 <literal>invalid_header</literal> | | |
829 <literal>http_500</literal> | | |
830 <literal>http_502</literal> | | |
831 <literal>http_503</literal> | | |
832 <literal>http_504</literal> | | |
917
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
changeset
|
833 <literal>http_403</literal> | |
364 | 834 <literal>http_404</literal> | |
835 <literal>off</literal> | |
836 ...</syntax> | |
281
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|
837 <default>error timeout</default> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
838 <context>http</context> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
839 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
840 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
841 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
842 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
843 Specifies in which cases a request should be passed to the next server: |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
844 <list type="tag"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
845 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
846 <tag-name><literal>error</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
847 <tag-desc>an error occurred while establishing a connection with the |
959
fbb4cc6f8c3d
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|
848 server, passing a request to it, or reading the response header;</tag-desc> |
281
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|
849 |
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parents:
diff
changeset
|
850 <tag-name><literal>timeout</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
851 <tag-desc>a timeout has occurred while establishing a connection with the |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
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|
852 server, passing a request to it, or reading the response header;</tag-desc> |
281
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|
853 |
7142ddd2764c
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parents:
diff
changeset
|
854 <tag-name><literal>invalid_header</literal></tag-name> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
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|
855 <tag-desc>a server returned an empty or invalid response;</tag-desc> |
281
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|
856 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
857 <tag-name><literal>http_500</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
858 <tag-desc>a server returned a response with the code 500;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
859 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
860 <tag-name><literal>http_502</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
861 <tag-desc>a server returned a response with the code 502;</tag-desc> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
862 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
863 <tag-name><literal>http_503</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
864 <tag-desc>a server returned a response with the code 503;</tag-desc> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
865 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
866 <tag-name><literal>http_504</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
867 <tag-desc>a server returned a response with the code 504;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
868 |
917
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
changeset
|
869 <tag-name><literal>http_403</literal></tag-name> |
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
changeset
|
870 <tag-desc>a server returned a response with the code 403;</tag-desc> |
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
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|
871 |
281
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|
872 <tag-name><literal>http_404</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
873 <tag-desc>a server returned a response with the code 404;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
874 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
875 <tag-name><literal>off</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
876 <tag-desc>disables passing a request to the next server.</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
877 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
878 </list> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
879 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
880 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
881 <para> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
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|
882 One should bear in mind that passing a request to the next server is |
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
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|
883 only possible if nothing has been sent to a client yet. |
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
884 That is, if an error or timeout occurs in the middle of the |
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
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parents:
942
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|
885 transferring of a response, fixing this is impossible. |
281
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parents:
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changeset
|
886 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
887 |
942
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
888 <para> |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
889 The directive also defines what is considered an unsuccessful attempt |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
890 of communication with a |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
891 <link doc="ngx_http_upstream_module.xml" id="server"/>. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
892 The cases of <literal>error</literal>, <literal>timeout</literal> and |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
893 <literal>invalid_header</literal> are always considered unsuccessful attempts, |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
894 even if they are not specified in the directive. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
895 The cases of <literal>http_500</literal>, <literal>http_502</literal>, |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
896 <literal>http_503</literal> and <literal>http_504</literal> are |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
897 considered unsuccessful attempts only if they are specified in the directive. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
898 The cases of <literal>http_403</literal> and <literal>http_404</literal> |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
899 are never considered unsuccessful attempts. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
900 </para> |
ba3d6ade3513
Elaborate on upstream server failures.
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parents:
917
diff
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|
901 |
281
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|
902 </directive> |
7142ddd2764c
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parents:
diff
changeset
|
903 |
7142ddd2764c
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parents:
diff
changeset
|
904 |
7142ddd2764c
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parents:
diff
changeset
|
905 <directive name="proxy_no_cache"> |
7142ddd2764c
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parents:
diff
changeset
|
906 <syntax><value>string</value> ...</syntax> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
907 <default/> |
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parents:
diff
changeset
|
908 <context>http</context> |
7142ddd2764c
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parents:
diff
changeset
|
909 <context>server</context> |
7142ddd2764c
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parents:
diff
changeset
|
910 <context>location</context> |
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parents:
diff
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|
911 |
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parents:
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|
912 <para> |
294 | 913 Defines conditions under which the response will not be saved to a cache. |
281
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|
914 If at least one value of the string parameters is not empty and is not |
294 | 915 equal to “0” then the response will not be saved: |
281
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|
916 <example> |
7142ddd2764c
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parents:
diff
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|
917 proxy_no_cache $cookie_nocache $arg_nocache$arg_comment; |
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parents:
diff
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|
918 proxy_no_cache $http_pragma $http_authorization; |
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parents:
diff
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|
919 </example> |
7142ddd2764c
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parents:
diff
changeset
|
920 Can be used along with the <link id="proxy_cache_bypass"/> directive. |
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parents:
diff
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|
921 </para> |
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parents:
diff
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|
922 |
7142ddd2764c
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parents:
diff
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|
923 </directive> |
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parents:
diff
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|
924 |
7142ddd2764c
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parents:
diff
changeset
|
925 |
7142ddd2764c
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parents:
diff
changeset
|
926 <directive name="proxy_pass"> |
7142ddd2764c
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parents:
diff
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|
927 <syntax><value>URL</value></syntax> |
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parents:
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|
928 <default/> |
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parents:
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|
929 <context>location</context> |
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parents:
diff
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|
930 <context>if in location</context> |
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diff
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|
931 <context>limit_except</context> |
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parents:
diff
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|
932 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
933 <para> |
959
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parents:
942
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changeset
|
934 Sets the protocol and address of a proxied server and an optional URI |
535
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
935 to which a location should be mapped. |
959
fbb4cc6f8c3d
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parents:
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diff
changeset
|
936 As a protocol, “<literal>http</literal>” or “<literal>https</literal>” |
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
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parents:
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changeset
|
937 can be specified. |
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Text review of ngx_http_proxy_module.
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|
938 The address can be specified as a domain name or IP address, |
535
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|
939 and an optional port: |
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940 <example> |
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|
941 proxy_pass http://localhost:8000/uri/; |
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942 </example> |
535
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|
943 or as a UNIX-domain socket path specified after the word |
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Revised description of "proxy_pass".
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diff
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|
944 “<literal>unix</literal>” and enclosed in colons: |
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|
945 <example> |
351
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|
946 proxy_pass http://unix:/tmp/backend.socket:/uri/; |
281
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|
947 </example> |
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|
948 </para> |
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|
949 |
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|
950 <para> |
294 | 951 If a domain name resolves to several addresses, all of them will be |
281
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|
952 used in a round-robin fashion. |
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|
953 In addition, an address can be specified as a |
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|
954 <link doc="ngx_http_upstream_module.xml">server group</link>. |
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|
955 </para> |
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|
956 |
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|
957 <para> |
535
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|
958 A request URI is passed to the server as follows: |
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959 <list type="bullet" compact="no"> |
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960 |
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|
961 <listitem> |
959
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|
962 If the <literal>proxy_pass</literal> directive is specified with a URI, |
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|
963 then when a request is passed to the server, the part of a |
535
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964 <link doc="ngx_http_core_module.xml" id="location">normalized</link> |
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965 request URI matching the location is replaced by a URI |
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|
966 specified in the directive: |
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|
967 <example> |
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968 location /name/ { |
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|
969 proxy_pass http://127.0.0.1/remote/; |
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970 } |
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971 </example> |
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972 </listitem> |
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|
973 |
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|
974 <listitem> |
959
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975 If <literal>proxy_pass</literal> is specified without a URI, |
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976 the request URI is passed to the server in the same form |
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|
977 as sent by a client when the original request is processed, |
535
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978 or the full normalized request URI is passed |
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|
979 when processing the changed URI: |
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|
980 <example> |
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|
981 location /some/path/ { |
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|
982 proxy_pass http://127.0.0.1; |
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|
983 } |
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|
984 </example> |
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|
985 <note> |
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|
986 Before version 1.1.12, |
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|
987 if <literal>proxy_pass</literal> is specified without a URI, |
959
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|
988 the original request URI might be passed |
535
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|
989 instead of the changed URI in some cases. |
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|
990 </note> |
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diff
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|
991 </listitem> |
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|
992 </list> |
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|
993 </para> |
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|
994 |
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|
995 <para> |
959
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996 In some cases, the part of a request URI to be replaced cannot be determined: |
535
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997 <list type="bullet" compact="no"> |
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|
998 |
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|
999 <listitem> |
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|
1000 When location is specified using a regular expression. |
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|
1001 <para> |
959
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1002 In this case, the directive should be specified without a URI. |
535
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1003 </para> |
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|
1004 </listitem> |
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|
1005 |
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|
1006 <listitem> |
959
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1007 When the URI is changed inside a proxied location using the |
535
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|
1008 <link doc="ngx_http_rewrite_module.xml" id="rewrite"/> directive, |
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|
1009 and this same configuration will be used to process a request |
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|
1010 (<literal>break</literal>): |
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1011 <example> |
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|
1012 location /name/ { |
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|
1013 rewrite /name/([^/]+) /users?name=$1 break; |
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|
1014 proxy_pass http://127.0.0.1; |
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1015 } |
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|
1016 </example> |
535
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|
1017 <para> |
959
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|
1018 In this case, the URI specified in the directive is ignored and |
535
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|
1019 the full changed request URI is passed to the server. |
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|
1020 </para> |
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1021 </listitem> |
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|
1022 </list> |
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|
1023 </para> |
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|
1024 |
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|
1025 <para> |
959
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|
1026 A server name, its port and the passed URI can also be specified using |
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1027 variables: |
281
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|
1028 <example> |
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1029 proxy_pass http://$host$uri; |
281
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1030 </example> |
535
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1031 or even like this: |
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1032 <example> |
351
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1033 proxy_pass $request; |
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1034 </example> |
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|
1035 </para> |
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|
1036 |
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|
1037 <para> |
959
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1038 In this case, the server name is searched among the described |
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|
1039 <link doc="ngx_http_upstream_module.xml">server groups</link>, |
959
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1040 and, if not found, is determined using a |
281
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|
1041 <link doc="ngx_http_core_module.xml" id="resolver"/>. |
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|
1042 </para> |
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|
1043 |
849 | 1044 <para> |
1045 <link doc="websocket.xml">WebSocket</link> proxying requires special | |
1046 configuration and is supported since version 1.3.13. | |
1047 </para> | |
1048 | |
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1049 </directive> |
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1050 |
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|
1051 |
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|
1052 <directive name="proxy_pass_header"> |
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|
1053 <syntax><value>field</value></syntax> |
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1054 <default/> |
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|
1055 <context>http</context> |
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1056 <context>server</context> |
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|
1057 <context>location</context> |
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|
1058 |
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|
1059 <para> |
959
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1060 Permits passing <link id="proxy_hide_header">otherwise disabled</link> header |
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1061 fields from a proxied server to a client. |
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|
1062 </para> |
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1063 |
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1064 </directive> |
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1065 |
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1066 |
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|
1067 <directive name="proxy_read_timeout"> |
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1068 <syntax><value>time</value></syntax> |
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1069 <default>60s</default> |
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1070 <context>http</context> |
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1071 <context>server</context> |
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1072 <context>location</context> |
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1073 |
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1074 <para> |
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1075 Defines a timeout for reading a response from the proxied server. |
966 | 1076 A timeout is set only between two successive read operations, |
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1077 not for the transmission of the whole response. |
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1078 If a proxied server does not transmit anything within this time, |
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1079 a connection is closed. |
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1080 </para> |
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1081 |
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1082 </directive> |
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1083 |
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1084 |
789
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1085 <directive name="proxy_pass_request_body"> |
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1086 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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1087 <default>on</default> |
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1088 <context>http</context> |
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1089 <context>server</context> |
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1090 <context>location</context> |
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1091 |
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1092 <para> |
966 | 1093 Indicates whether the original request body is passed |
789
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1094 to the proxied server. |
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1095 <example> |
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1096 location /x-accel-redirect-here/ { |
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1097 proxy_method GET; |
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1098 proxy_pass_request_body off; |
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1099 proxy_set_header Content-Length ""; |
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1100 |
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1101 proxy_pass ... |
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1102 } |
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1103 </example> |
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1104 See also the <link id="proxy_set_header"/> and |
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1105 <link id="proxy_pass_request_headers"/> directives. |
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1106 </para> |
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1107 |
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1108 </directive> |
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1109 |
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1110 |
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1111 <directive name="proxy_pass_request_headers"> |
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1112 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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1113 <default>on</default> |
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1114 <context>http</context> |
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1115 <context>server</context> |
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1116 <context>location</context> |
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1117 |
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1118 <para> |
966 | 1119 Indicates whether the header fields of the original request are passed |
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1120 to the proxied server. |
789
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1121 <example> |
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1122 location /x-accel-redirect-here/ { |
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1123 proxy_method GET; |
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1124 proxy_pass_request_headers off; |
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1125 proxy_pass_request_body off; |
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1126 |
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1127 proxy_pass ... |
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1128 } |
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1129 </example> |
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1130 See also the <link id="proxy_set_header"/> and |
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1131 <link id="proxy_pass_request_body"/> directives. |
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1132 </para> |
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1133 |
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1134 </directive> |
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1135 |
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1136 |
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1137 <directive name="proxy_redirect"> |
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1138 <syntax><literal>default</literal></syntax> |
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|
1139 <syntax><literal>off</literal></syntax> |
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1140 <syntax><value>redirect</value> <value>replacement</value></syntax> |
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|
1141 <default>default</default> |
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1142 <context>http</context> |
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|
1143 <context>server</context> |
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1144 <context>location</context> |
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|
1145 |
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|
1146 <para> |
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1147 Sets the text that should be changed in the <header>Location</header> |
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1148 and <header>Refresh</header> header fields of a proxied server response. |
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1149 Suppose a proxied server returned the header field |
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1150 “<literal>Location: http://localhost:8000/two/some/uri/</literal>”. |
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1151 The directive |
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1152 <example> |
351
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1153 proxy_redirect http://localhost:8000/two/ http://frontend/one/; |
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1154 </example> |
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1155 will rewrite this string to |
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1156 “<literal>Location: http://frontend/one/some/uri/</literal>”. |
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1157 </para> |
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1158 |
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1159 <para> |
959
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1160 A server name may be omitted in the <value>replacement</value> string: |
281
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1161 <example> |
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1162 proxy_redirect http://localhost:8000/two/ /; |
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1163 </example> |
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1164 then the primary server’s name and port, if different from 80, |
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1165 will be inserted. |
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1166 </para> |
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1167 |
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1168 <para> |
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1169 The default replacement specified by the <literal>default</literal> parameter |
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1170 uses the parameters of the |
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1171 <link doc="ngx_http_core_module.xml" id="location"/> and |
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|
1172 <link id="proxy_pass"/> directives. |
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|
1173 Hence, the two configurations below are equivalent: |
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1174 <example> |
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|
1175 location /one/ { |
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|
1176 proxy_pass http://upstream:port/two/; |
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1177 proxy_redirect default; |
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1178 </example> |
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1179 |
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1180 <example> |
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1181 location /one/ { |
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|
1182 proxy_pass http://upstream:port/two/; |
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1183 proxy_redirect http://upstream:port/two/ /one/; |
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1184 </example> |
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|
1185 The <literal>default</literal> parameter is not permitted if |
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|
1186 <link id="proxy_pass"/> is specified using variables. |
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|
1187 </para> |
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|
1188 |
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|
1189 <para> |
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1190 A <value>replacement</value> string can contain variables: |
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1191 <example> |
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1192 proxy_redirect http://localhost:8000/ http://$host:$server_port/; |
281
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1193 </example> |
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1194 </para> |
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1195 |
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1196 <para> |
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|
1197 A <value>redirect</value> can also contain (1.1.11) variables: |
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1198 <example> |
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1199 proxy_redirect http://$proxy_host:8000/ /; |
281
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1200 </example> |
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1201 </para> |
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1202 |
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1203 <para> |
959
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1204 The directive can be specified (1.1.11) using regular expressions. |
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1205 In this case, <value>redirect</value> should either start with |
281
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|
1206 the “<literal>~</literal>” symbol for a case-sensitive matching, |
959
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1207 or with the “<literal>~*</literal>” symbols for case-insensitive |
281
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1208 matching. |
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|
1209 A regular expression can contain named and positional captures, |
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parents:
diff
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|
1210 and <value>replacement</value> can reference them: |
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1211 <example> |
351
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1212 proxy_redirect ~^(http://[^:]+):\d+(/.+)$ $1$2; |
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1213 proxy_redirect ~*/user/([^/]+)/(.+)$ http://$1.example.com/$2; |
281
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|
1214 </example> |
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1215 </para> |
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|
1216 |
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|
1217 <para> |
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|
1218 There could be several <literal>proxy_redirect</literal> directives: |
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|
1219 <example> |
351
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1220 proxy_redirect default; |
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1221 proxy_redirect http://localhost:8000/ /; |
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1222 proxy_redirect http://www.example.com/ /; |
281
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|
1223 </example> |
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|
1224 </para> |
7142ddd2764c
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|
1225 |
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|
1226 <para> |
959
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1227 The <literal>off</literal> parameter cancels the effect of all |
281
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|
1228 <literal>proxy_redirect</literal> directives on the current level: |
7142ddd2764c
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|
1229 <example> |
351
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|
1230 proxy_redirect off; |
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diff
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|
1231 proxy_redirect default; |
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Consistently strip initial offset in examples.
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diff
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|
1232 proxy_redirect http://localhost:8000/ /; |
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|
1233 proxy_redirect http://www.example.com/ /; |
281
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|
1234 </example> |
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|
1235 </para> |
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|
1236 |
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|
1237 <para> |
959
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|
1238 Using this directive, it is also possible to add host names to relative |
281
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|
1239 redirects issued by a proxied server: |
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|
1240 <example> |
351
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1241 proxy_redirect / /; |
281
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1242 </example> |
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|
1243 </para> |
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|
1244 |
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|
1245 </directive> |
7142ddd2764c
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|
1246 |
7142ddd2764c
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|
1247 |
773
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parents:
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diff
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|
1248 <directive name="proxy_send_lowat"> |
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diff
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|
1249 <syntax><value>size</value></syntax> |
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Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
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diff
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|
1250 <default>0</default> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
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diff
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|
1251 <context>http</context> |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
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|
1252 <context>server</context> |
24b1b0101250
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diff
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|
1253 <context>location</context> |
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diff
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|
1254 |
24b1b0101250
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diff
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|
1255 <para> |
959
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942
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|
1256 If the directive is set to a non-zero value, nginx will try to |
fbb4cc6f8c3d
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parents:
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|
1257 minimize the number |
773
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1258 of send operations on outgoing connections to a proxied server by using either |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1259 <c-def>NOTE_LOWAT</c-def> flag of the |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1260 <link doc="../events.xml" id="kqueue"/> method, |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1261 or the <c-def>SO_SNDLOWAT</c-def> socket option, |
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diff
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|
1262 with the specified <value>size</value>. |
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diff
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|
1263 </para> |
24b1b0101250
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diff
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|
1264 |
24b1b0101250
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parents:
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diff
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|
1265 <para> |
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|
1266 This directive is ignored on Linux, Solaris, and Windows. |
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parents:
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|
1267 </para> |
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diff
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|
1268 |
24b1b0101250
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parents:
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diff
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|
1269 </directive> |
24b1b0101250
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diff
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|
1270 |
24b1b0101250
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|
1271 |
281
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|
1272 <directive name="proxy_send_timeout"> |
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|
1273 <syntax><value>time</value></syntax> |
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|
1274 <default>60s</default> |
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|
1275 <context>http</context> |
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|
1276 <context>server</context> |
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|
1277 <context>location</context> |
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|
1278 |
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|
1279 <para> |
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|
1280 Sets a timeout for transmitting a request to the proxied server. |
966 | 1281 A timeout is set only between two successive write operations, |
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|
1282 not for the transmission of the whole request. |
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|
1283 If a proxied server does not receive anything within this time, |
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|
1284 a connection is closed. |
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|
1285 </para> |
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|
1286 |
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|
1287 </directive> |
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|
1288 |
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|
1289 |
787
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
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773
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|
1290 <directive name="proxy_set_body"> |
180a64c709d8
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|
1291 <syntax><value>value</value></syntax> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1292 <default/> |
180a64c709d8
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Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1293 <context>http</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1294 <context>server</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1295 <context>location</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1296 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1297 <para> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
1298 Allows redefining the request body passed to the proxied server. |
787
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1299 A <value>value</value> can contain text, variables, and their combination. |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1300 </para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1301 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1302 </directive> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1303 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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|
1304 |
281
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|
1305 <directive name="proxy_set_header"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1306 <syntax><value>field</value> <value>value</value></syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1307 <default>Host $proxy_host</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1308 <default>Connection close</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1309 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1310 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1311 <context>location</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1312 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1313 <para> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
1314 Allows redefining or appending fields to the request header |
789
1063836dacea
Documented "proxy_pass_request_body/headers" directives.
Vladimir Homutov <vl@nginx.com>
parents:
787
diff
changeset
|
1315 <link id="proxy_pass_request_headers">passed</link> to the proxied server. |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
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parents:
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|
1316 A <value>value</value> can contain text, variables, and their combinations. |
281
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parents:
diff
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|
1317 These directives are inherited from the previous level if and |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1318 only if there are no |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1319 <literal>proxy_set_header</literal> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1320 directives defined on the current level. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1321 By default, only two fields are redefined: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1322 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1323 proxy_set_header Host $proxy_host; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1324 proxy_set_header Connection close; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1325 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1326 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1327 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1328 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1329 An unchanged <header>Host</header> request header field can be passed like this: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1330 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1331 proxy_set_header Host $http_host; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1332 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1333 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1334 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1335 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1336 However, if this field is not present in a client request header then |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1337 nothing will be passed. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1338 In such a case it is better to use the <var>$host</var> variable—its |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1339 value equals the server name in the <header>Host</header> request header |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
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|
1340 field or the primary server name if this field is not present: |
281
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parents:
diff
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|
1341 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1342 proxy_set_header Host $host; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1343 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1344 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1345 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1346 <para> |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
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|
1347 In addition, the server name can be passed together with the port of the |
281
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Ruslan Ermilov <ru@nginx.com>
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|
1348 proxied server: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1349 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1350 proxy_set_header Host $host:$proxy_port; |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1351 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1352 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1353 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1354 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1355 If the value of a header field is an empty string then this |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1356 field will not be passed to a proxied server: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1357 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1358 proxy_set_header Accept-Encoding ""; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1359 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1360 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1361 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1362 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1363 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1364 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1365 <directive name="proxy_ssl_session_reuse"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1366 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1367 <default>on</default> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1368 <context>http</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1369 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1370 <context>location</context> |
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parents:
diff
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|
1371 |
7142ddd2764c
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parents:
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|
1372 <para> |
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parents:
diff
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|
1373 Determines whether SSL sessions can be reused when working with |
7142ddd2764c
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parents:
diff
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|
1374 the proxied server. |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
1375 If the errors |
7142ddd2764c
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parents:
diff
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|
1376 “<literal>SSL3_GET_FINISHED:digest check failed</literal>” |
959
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|
1377 appear in the logs, try disabling session reuse. |
281
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|
1378 </para> |
7142ddd2764c
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diff
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|
1379 |
7142ddd2764c
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parents:
diff
changeset
|
1380 </directive> |
7142ddd2764c
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diff
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|
1381 |
7142ddd2764c
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changeset
|
1382 |
7142ddd2764c
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parents:
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|
1383 <directive name="proxy_store"> |
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|
1384 <syntax> |
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|
1385 <literal>on</literal> | |
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|
1386 <literal>off</literal> | |
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|
1387 <value>string</value></syntax> |
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|
1388 <default>off</default> |
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|
1389 <context>http</context> |
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|
1390 <context>server</context> |
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|
1391 <context>location</context> |
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|
1392 |
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|
1393 <para> |
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|
1394 Enables saving of files to a disk. |
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|
1395 The <literal>on</literal> parameter saves files with paths |
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|
1396 corresponding to the directives |
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|
1397 <link doc="ngx_http_core_module.xml" id="alias"/> or |
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|
1398 <link doc="ngx_http_core_module.xml" id="root"/>. |
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parents:
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changeset
|
1399 The <literal>off</literal> parameter disables saving of files. |
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|
1400 In addition, the file name can be set explicitly using the |
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|
1401 <value>string</value> with variables: |
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|
1402 <example> |
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|
1403 proxy_store /data/www$original_uri; |
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|
1404 </example> |
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|
1405 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1406 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1407 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1408 The modification time of files is set according to the received |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1409 <header>Last-Modified</header> response header field. |
966 | 1410 A response is first written to a temporary file, and then the file is renamed. |
959
fbb4cc6f8c3d
Text review of ngx_http_proxy_module.
Egor Nikitin <yegor.nikitin@gmail.com>
parents:
942
diff
changeset
|
1411 Starting from version 0.8.9, temporary files and the persistent store |
966 | 1412 can be put on different file systems. |
1413 However, be aware that in this case a file is copied | |
1414 across two file systems instead of the cheap renaming operation. | |
281
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1415 It is thus recommended that for any given location both saved files and a |
966 | 1416 directory holding temporary files, set by the <link id="proxy_temp_path"/> |
1417 directive, are put on the same file system. | |
281
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1418 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1419 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1420 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1421 This directive can be used to create local copies of static unchangeable |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1422 files, e.g.: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1423 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1424 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1425 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1426 open_file_cache_errors off; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1427 error_page 404 = /fetch$uri; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1428 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1429 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1430 location /fetch/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1431 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1432 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1433 proxy_pass http://backend/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1434 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1435 proxy_store_access user:rw group:rw all:r; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1436 proxy_temp_path /data/temp; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1437 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1438 alias /data/www/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1439 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1440 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1441 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1442 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1443 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1444 or like this: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1445 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1446 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1447 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1448 error_page 404 = @fetch; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1449 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1450 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1451 location @fetch { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1452 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1453 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1454 proxy_pass http://backend; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1455 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1456 proxy_store_access user:rw group:rw all:r; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1457 proxy_temp_path /data/temp; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1458 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1459 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1460 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1461 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1462 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1463 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1464 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1465 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1466 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1467 <directive name="proxy_store_access"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1468 <syntax><value>users</value>:<value>permissions</value> ...</syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1469 <default>user:rw</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1470 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1471 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1472 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1473 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1474 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1475 Sets access permissions for newly created files and directories, e.g.: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1476 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1477 proxy_store_access user:rw group:rw all:r; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1478 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1479 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1480 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1481 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1482 If any <literal>group</literal> or <literal>all</literal> access permissions |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1483 are specified then <literal>user</literal> permissions may be omitted: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1484 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1485 proxy_store_access group:rw all:r; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1486 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1487 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1488 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1489 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1490 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1491 |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1492 <directive name="proxy_temp_file_write_size"> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1493 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1494 <default>8k|16k</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1495 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1496 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1497 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1498 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1499 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1500 Limits the <value>size</value> of data written to a temporary file |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1501 at a time, when buffering of responses from the proxied server |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1502 to temporary files is enabled. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1503 By default, <value>size</value> is limited by two buffers set by the |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1504 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1505 The maximum size of a temporary file is set by the |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1506 <link id="proxy_max_temp_file_size"/> directive. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1507 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1508 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1509 </directive> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1510 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1511 |
281
7142ddd2764c
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parents:
diff
changeset
|
1512 <directive name="proxy_temp_path"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1513 <syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1514 <value>path</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1515 [<value>level1</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1516 [<value>level2</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1517 [<value>level3</value>]]]</syntax> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1518 <default>proxy_temp</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1519 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1520 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1521 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1522 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1523 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1524 Defines a directory for storing temporary files |
405
781b23ba3b0a
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Ruslan Ermilov <ru@nginx.com>
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1525 with data received from proxied servers. |
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1526 Up to three-level subdirectory hierarchy can be used underneath the specified |
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1527 directory. |
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1528 For example, in the following configuration |
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1529 <example> |
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1530 proxy_temp_path /spool/nginx/proxy_temp 1 2; |
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1531 </example> |
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1532 a temporary file might look like this: |
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1533 <example> |
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1534 /spool/nginx/proxy_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
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1535 </example> |
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1536 </para> |
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1537 |
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1538 </directive> |
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1539 |
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1540 </section> |
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1541 |
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1542 |
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1543 <section id="variables" name="Embedded Variables"> |
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1544 |
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1545 <para> |
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1546 The <literal>ngx_http_proxy_module</literal> module supports embedded variables |
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1547 that can be used to compose headers using the |
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1548 <link id="proxy_set_header"/> directive: |
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1549 <list type="tag"> |
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1550 |
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1551 <tag-name><var>$proxy_host</var></tag-name> |
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1552 <tag-desc>name and port of a proxied server;</tag-desc> |
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1553 |
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1554 <tag-name><var>$proxy_port</var></tag-name> |
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1555 <tag-desc>port of a proxied server;</tag-desc> |
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1556 |
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1557 <tag-name><var>$proxy_add_x_forwarded_for</var></tag-name> |
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1558 <tag-desc>the <header>X-Forwarded-For</header> client request header field |
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1559 with the <var>$remote_addr</var> variable appended to it, separated by a comma. |
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1560 If the <header>X-Forwarded-For</header> field is not present in the client |
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1561 request header, the <var>$proxy_add_x_forwarded_for</var> variable is equal |
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1562 to the <var>$remote_addr</var> variable.</tag-desc> |
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1563 </list> |
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1564 </para> |
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1565 |
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1566 </section> |
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1567 |
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1568 </module> |