Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_proxy_module.xml @ 942:ba3d6ade3513
Elaborate on upstream server failures.
Documented that {proxy,fastcgi,memcached}_next_upstream directives define
what is considered an unsuccessful attempt of communication with a server.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Fri, 05 Jul 2013 10:40:38 +0400 |
parents | e26a18eb5ccd |
children | fbb4cc6f8c3d |
rev | line source |
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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 to pass |
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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> |
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51 Forces outgoing connections to a proxied server to originate |
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52 from the specified local IP <value>address</value>. |
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53 Value of the parameter 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 |
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56 inherited from the previous configuration level, allowing the |
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57 system to auto-assign local 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 <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 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, part of it can be saved |
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98 to a <link id="proxy_temp_path">temporary file</link> on disk. |
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99 Writes to temporary files are 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 |
506
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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 ability 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 |
405
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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 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> |
302
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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 |
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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 path and other parameters of a cache. |
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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, then a file is renamed. |
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327 Starting from version 0.8.9 temporary files and the cache can be put on |
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328 different file systems but be aware that in this case a file is copied |
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329 across two file systems instead of the cheap rename operation. |
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330 It is thus recommended that for any given location both cache and a directory |
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331 holding temporary files set by the <link id="proxy_temp_path"/> directive |
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332 are put on the same file system. |
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333 </para> |
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334 |
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335 <para> |
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336 In addition, all active keys and information about data are stored |
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337 in a shared memory zone, whose <value>name</value> and <value>size</value> |
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338 are configured by the <literal>keys_zone</literal> parameter. |
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339 Cached data that are not accessed during the time specified by the |
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340 <literal>inactive</literal> parameter get removed from the cache |
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341 regardless of their freshness. |
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342 By default, <literal>inactive</literal> is set to 10 minutes. |
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343 </para> |
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344 |
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345 <para> |
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346 The special process “cache manager” monitors the maximum cache size set |
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347 by the <literal>max_size</literal> parameter; |
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348 when this size is exceeded it removes the least recently used data. |
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349 </para> |
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350 |
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351 <para> |
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352 A minute after the start the special process “cache loader” is activated |
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353 that loads information about previously cached data stored on file system |
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354 into a cache zone. |
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355 A load is done in iterations. |
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356 During one iteration no more than <literal>loader_files</literal> items |
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357 are loaded (by default, 100). |
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358 Besides, the duration of one iteration is limited by the |
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359 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). |
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360 A pause is made between iterations, configured by the |
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361 <literal>loader_sleep</literal> parameter (by default, 50 milliseconds). |
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362 </para> |
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363 |
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364 </directive> |
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365 |
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366 |
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367 <directive name="proxy_cache_use_stale"> |
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368 <syntax> |
364 | 369 <literal>error</literal> | |
370 <literal>timeout</literal> | | |
371 <literal>invalid_header</literal> | | |
372 <literal>updating</literal> | | |
373 <literal>http_500</literal> | | |
374 <literal>http_502</literal> | | |
375 <literal>http_503</literal> | | |
376 <literal>http_504</literal> | | |
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377 <literal>http_403</literal> | |
364 | 378 <literal>http_404</literal> | |
379 <literal>off</literal> | |
380 ...</syntax> | |
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381 <default>off</default> |
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382 <context>http</context> |
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383 <context>server</context> |
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384 <context>location</context> |
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385 |
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386 <para> |
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387 If an error occurs while working with the proxied server it is possible |
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388 to use a stale cached response. |
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389 This directives determines in which cases it is permitted. |
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390 The directive’s parameters match those of the |
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391 <link id="proxy_next_upstream"/> directive. |
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392 </para> |
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393 |
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394 <para> |
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395 Additionally, the <literal>updating</literal> parameter permits |
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396 to use a stale cached response if it is currently being updated. |
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397 This allows to minimize the number of accesses to proxied servers |
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398 when updating cached data. |
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399 </para> |
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400 |
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401 <para> |
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402 To minimize the number of accesses to proxied servers when |
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403 populating a new cache element, the <link id="proxy_cache_lock"/> |
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404 directive can be used. |
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405 </para> |
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406 |
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407 </directive> |
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408 |
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409 |
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410 <directive name="proxy_cache_valid"> |
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411 <syntax>[<value>code</value> ...] <value>time</value></syntax> |
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412 <default/> |
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413 <context>http</context> |
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414 <context>server</context> |
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415 <context>location</context> |
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416 |
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417 <para> |
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418 Sets caching time for different response codes. |
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419 For example, the following directives |
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420 <example> |
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421 proxy_cache_valid 200 302 10m; |
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422 proxy_cache_valid 404 1m; |
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423 </example> |
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424 set 10 minutes of caching for responses with codes 200 and 302, |
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425 and 1 minute for responses with code 404. |
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426 </para> |
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427 |
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428 <para> |
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429 If only caching <value>time</value> is specified |
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430 <example> |
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431 proxy_cache_valid 5m; |
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432 </example> |
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433 then only 200, 301, and 302 responses are cached. |
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434 </para> |
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435 |
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436 <para> |
294 | 437 In addition, it can be specified to cache any responses using the |
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438 <literal>any</literal> parameter: |
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439 <example> |
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440 proxy_cache_valid 200 302 10m; |
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441 proxy_cache_valid 301 1h; |
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442 proxy_cache_valid any 1m; |
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443 </example> |
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444 </para> |
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445 |
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446 <para> |
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447 Parameters of caching can also be set directly |
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448 in the response header. |
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449 This has a higher precedence than setting of caching time using the directive. |
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450 The <header>X-Accel-Expires</header> header field sets caching time of a |
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451 response in seconds. |
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452 The value 0 disables to cache a response. |
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453 If a value starts with the prefix <literal>@</literal>, it sets an absolute |
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454 time in seconds since Epoch, up to which the response may be cached. |
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455 If header does not include the <header>X-Accel-Expires</header> field, |
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456 parameters of caching may be set in the header fields |
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457 <header>Expires</header> or <header>Cache-Control</header>. |
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458 If a header includes the <header>Set-Cookie</header> field, such a |
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459 response will not be cached. |
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460 Processing of one or more of these response header fields can be disabled |
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461 using the <link id="proxy_ignore_headers"/> directive. |
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462 </para> |
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463 |
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464 </directive> |
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465 |
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466 |
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467 <directive name="proxy_connect_timeout"> |
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468 <syntax><value>time</value></syntax> |
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469 <default>60s</default> |
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470 <context>http</context> |
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471 <context>server</context> |
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472 <context>location</context> |
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473 |
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474 <para> |
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475 Defines a timeout for establishing a connection with the proxied server. |
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476 It should be noted that this timeout cannot usually exceed 75 seconds. |
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477 </para> |
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478 |
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479 </directive> |
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480 |
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481 |
417
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482 <directive name="proxy_cookie_domain"> |
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483 <syntax><literal>off</literal></syntax> |
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484 <syntax><value>domain</value> <value>replacement</value></syntax> |
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485 <default>off</default> |
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486 <context>http</context> |
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487 <context>server</context> |
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488 <context>location</context> |
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489 <appeared-in>1.1.15</appeared-in> |
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490 |
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491 <para> |
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492 Sets a text that should be changed in the <literal>domain</literal> |
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493 attribute of the <header>Set-Cookie</header> header fields of a |
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494 proxied server response. |
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495 Suppose a proxied server returned the header field |
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496 <header>Set-Cookie</header> with the attribute |
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497 “<literal>domain=localhost</literal>”. |
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498 The directive |
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499 <example> |
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500 proxy_cookie_domain localhost example.org; |
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501 </example> |
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502 will rewrite this attribute to |
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503 “<literal>domain=example.org</literal>”. |
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504 </para> |
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505 |
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506 <para> |
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507 A dot at the beginning of the <value>domain</value> and |
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508 <value>replacement</value> strings, and the <literal>domain</literal> |
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509 attribute is ignored. |
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510 Matching is case-insensitive. |
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511 </para> |
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512 |
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513 <para> |
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514 The strings <value>domain</value> and <value>replacement</value> |
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515 can contain variables: |
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516 <example> |
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517 proxy_cookie_domain www.$host $host; |
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518 </example> |
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519 </para> |
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520 |
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521 <para> |
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522 A directive can also be specified using regular expressions. |
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523 In this case, <value>domain</value> should start from |
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524 the “<literal>~</literal>” symbol. |
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525 A regular expression can contain named and positional captures, |
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526 and <value>replacement</value> can reference them: |
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527 <example> |
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528 proxy_cookie_domain ~\.(?P<sl_domain>[-0-9a-z]+\.[a-z]+)$ $sl_domain; |
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529 </example> |
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530 </para> |
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531 |
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532 <para> |
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533 There could be several <literal>proxy_cookie_domain</literal> directives: |
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534 <example> |
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535 proxy_cookie_domain localhost example.org; |
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536 proxy_cookie_domain ~\.([a-z]+\.[a-z]+)$ $1; |
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537 </example> |
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538 </para> |
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539 |
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540 <para> |
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541 The <literal>off</literal> parameter cancels all |
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542 <literal>proxy_cookie_domain</literal> directives on the current level: |
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543 <example> |
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544 proxy_cookie_domain off; |
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545 proxy_cookie_domain localhost example.org; |
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546 proxy_cookie_domain www.example.org example.org; |
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547 </example> |
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548 </para> |
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549 |
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550 </directive> |
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551 |
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552 |
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553 <directive name="proxy_cookie_path"> |
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554 <syntax><literal>off</literal></syntax> |
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555 <syntax><value>path</value> <value>replacement</value></syntax> |
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556 <default>off</default> |
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557 <context>http</context> |
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558 <context>server</context> |
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559 <context>location</context> |
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560 <appeared-in>1.1.15</appeared-in> |
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561 |
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562 <para> |
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|
563 Sets a text that should be changed in the <literal>path</literal> |
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564 attribute of the <header>Set-Cookie</header> header fields of a |
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565 proxied server response. |
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diff
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|
566 Suppose a proxied server returned the header field |
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567 <header>Set-Cookie</header> with the attribute |
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|
568 “<literal>path=/two/some/uri/</literal>”. |
cbc2d1b51cb6
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diff
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|
569 The directive |
cbc2d1b51cb6
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|
570 <example> |
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571 proxy_cookie_path /two/ /; |
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572 </example> |
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diff
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|
573 will rewrite this attribute to |
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parents:
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diff
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|
574 “<literal>path=/some/uri/</literal>”. |
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575 </para> |
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576 |
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diff
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|
577 <para> |
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diff
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|
578 The strings <value>path</value> and <value>replacement</value> |
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parents:
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diff
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|
579 can contain variables: |
cbc2d1b51cb6
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diff
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|
580 <example> |
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|
581 proxy_cookie_path $uri /some$uri; |
cbc2d1b51cb6
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diff
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|
582 </example> |
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diff
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583 </para> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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584 |
cbc2d1b51cb6
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diff
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|
585 <para> |
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586 A directive can also be specified using regular expressions. |
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587 In this case, <value>path</value> should either start from |
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588 the “<literal>~</literal>” symbol for a case-sensitive matching, |
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589 or from the “<literal>~*</literal>” symbols for case-insensitive |
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590 matching. |
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591 A regular expression can contain named and positional captures, |
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592 and <value>replacement</value> can reference them: |
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593 <example> |
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594 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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595 </example> |
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596 </para> |
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597 |
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598 <para> |
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599 There could be several <literal>proxy_cookie_path</literal> directives: |
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600 <example> |
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601 proxy_cookie_path /one/ /; |
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602 proxy_cookie_path / /two/; |
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603 </example> |
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604 </para> |
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605 |
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|
606 <para> |
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607 The <literal>off</literal> parameter cancels all |
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|
608 <literal>proxy_cookie_path</literal> directives on the current level: |
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609 <example> |
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|
610 proxy_cookie_path off; |
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611 proxy_cookie_path /two/ /; |
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612 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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613 </example> |
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614 </para> |
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615 |
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616 </directive> |
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617 |
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|
618 |
799
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619 <directive name="proxy_headers_hash_bucket_size"> |
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620 <syntax><value>size</value></syntax> |
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621 <default>64</default> |
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622 <context>http</context> |
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623 <context>server</context> |
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624 <context>location</context> |
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625 |
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626 <para> |
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627 Sets the bucket <value>size</value> for hash tables |
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628 used by the <link id="proxy_hide_header"/> and <link id="proxy_set_header"/> |
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629 directives. |
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|
630 Details of setting up hash tables are provided in a separate |
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631 <link doc="../hash.xml">document</link>. |
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632 </para> |
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parents:
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|
633 |
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634 </directive> |
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|
635 |
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|
636 |
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|
637 <directive name="proxy_headers_hash_max_size"> |
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638 <syntax><value>size</value></syntax> |
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639 <default>512</default> |
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parents:
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|
640 <context>http</context> |
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|
641 <context>server</context> |
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|
642 <context>location</context> |
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|
643 |
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644 <para> |
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|
645 Sets the maximum <value>size</value> of hash tables |
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|
646 used by the <link id="proxy_hide_header"/> and <link id="proxy_set_header"/> |
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diff
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|
647 directives. |
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parents:
790
diff
changeset
|
648 Details of setting up hash tables are provided in a separate |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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|
649 <link doc="../hash.xml">document</link>. |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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|
650 </para> |
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diff
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|
651 |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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|
652 </directive> |
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|
653 |
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parents:
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diff
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|
654 |
281
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|
655 <directive name="proxy_hide_header"> |
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656 <syntax><value>field</value></syntax> |
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657 <default/> |
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Translated current version of ngx_http_proxy_module documentation into English.
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658 <context>http</context> |
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|
659 <context>server</context> |
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660 <context>location</context> |
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|
661 |
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|
662 <para> |
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663 By default, |
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|
664 nginx does not pass the header fields <header>Date</header>, |
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|
665 <header>Server</header>, <header>X-Pad</header>, and |
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|
666 <header>X-Accel-...</header> from the response of a proxied |
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|
667 server to a client. |
7142ddd2764c
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|
668 The <literal>proxy_hide_header</literal> directive sets additional fields |
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|
669 that will not be passed. |
294 | 670 If, on the contrary, the passing of fields needs to be permitted, |
281
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671 the <link id="proxy_pass_header"/> directive can be used. |
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|
672 </para> |
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|
673 |
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|
674 </directive> |
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|
675 |
7142ddd2764c
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|
676 |
316
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677 <directive name="proxy_http_version"> |
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678 <syntax><literal>1.0</literal> | <literal>1.1</literal></syntax> |
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679 <default>1.0</default> |
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680 <context>http</context> |
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|
681 <context>server</context> |
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682 <context>location</context> |
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diff
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|
683 <appeared-in>1.1.4</appeared-in> |
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|
684 |
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685 <para> |
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|
686 Sets the HTTP protocol version for proxying. |
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|
687 By default, version 1.0 is used. |
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Documented the following directives: "keepalive", "proxy_http_version",
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688 Version 1.1 is recommended for use with |
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diff
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|
689 <link doc="ngx_http_upstream_module.xml" id="keepalive"/> |
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690 connections. |
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|
691 </para> |
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diff
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|
692 |
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693 </directive> |
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diff
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694 |
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|
695 |
281
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|
696 <directive name="proxy_ignore_client_abort"> |
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697 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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698 <default>off</default> |
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699 <context>http</context> |
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700 <context>server</context> |
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|
701 <context>location</context> |
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|
702 |
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|
703 <para> |
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|
704 Determines should the connection with a proxied server be |
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|
705 closed if a client closes a connection without waiting |
294 | 706 for a response. |
281
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|
707 </para> |
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|
708 |
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|
709 </directive> |
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|
710 |
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|
711 |
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|
712 <directive name="proxy_ignore_headers"> |
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713 <syntax><value>field</value> ...</syntax> |
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714 <default/> |
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|
715 <context>http</context> |
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diff
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|
716 <context>server</context> |
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|
717 <context>location</context> |
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|
718 |
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719 <para> |
294 | 720 Disables processing of certain response header fields from the proxied server. |
281
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|
721 The following fields can be ignored: <header>X-Accel-Redirect</header>, |
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parents:
diff
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|
722 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
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|
723 <header>X-Accel-Buffering</header> (1.1.6), |
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|
724 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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|
725 <header>Cache-Control</header>, and <header>Set-Cookie</header> (0.8.44). |
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|
726 </para> |
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|
727 |
506
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|
728 <para> |
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diff
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|
729 If not disabled, processing of these header fields has the following effect: |
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|
730 <list type="bullet" compact="no"> |
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|
731 |
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|
732 <listitem> |
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diff
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|
733 <header>X-Accel-Expires</header>, <header>Expires</header>, |
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diff
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|
734 <header>Cache-Control</header>, and <header>Set-Cookie</header> |
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diff
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|
735 set parameters of response <link id="proxy_cache_valid">caching</link>; |
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diff
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|
736 </listitem> |
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diff
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|
737 |
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|
738 <listitem> |
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diff
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|
739 <header>X-Accel-Redirect</header> performs an |
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diff
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|
740 <link doc="ngx_http_core_module.xml" id="internal">internal |
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diff
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|
741 redirect</link> to the specified URI; |
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diff
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|
742 </listitem> |
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diff
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|
743 |
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diff
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|
744 <listitem> |
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diff
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|
745 <header>X-Accel-Limit-Rate</header> sets a |
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parents:
504
diff
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|
746 <link doc="ngx_http_core_module.xml" id="limit_rate">rate |
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diff
changeset
|
747 limit</link> for transmission of a response to a client; |
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504
diff
changeset
|
748 </listitem> |
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diff
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|
749 |
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504
diff
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|
750 <listitem> |
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diff
changeset
|
751 <header>X-Accel-Buffering</header> enables or disables |
657848837328
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diff
changeset
|
752 <link id="proxy_buffering">buffering</link> of a response; |
657848837328
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parents:
504
diff
changeset
|
753 </listitem> |
657848837328
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diff
changeset
|
754 |
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504
diff
changeset
|
755 <listitem> |
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diff
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|
756 <header>X-Accel-Charset</header> sets the desired |
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parents:
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diff
changeset
|
757 <link doc="ngx_http_charset_module.xml" id="charset"/> |
657848837328
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Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
758 of a response. |
657848837328
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parents:
504
diff
changeset
|
759 </listitem> |
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parents:
504
diff
changeset
|
760 |
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504
diff
changeset
|
761 </list> |
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parents:
504
diff
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|
762 </para> |
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diff
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|
763 |
281
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diff
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|
764 </directive> |
7142ddd2764c
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parents:
diff
changeset
|
765 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
766 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
767 <directive name="proxy_intercept_errors"> |
7142ddd2764c
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parents:
diff
changeset
|
768 <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
|
769 <default>off</default> |
7142ddd2764c
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parents:
diff
changeset
|
770 <context>http</context> |
7142ddd2764c
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parents:
diff
changeset
|
771 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
772 <context>location</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
773 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
774 <para> |
297 | 775 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
|
776 to 300 should be passed to a client or be redirected to nginx for processing |
281
7142ddd2764c
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parents:
diff
changeset
|
777 using the <link doc="ngx_http_core_module.xml" id="error_page"/> directive. |
7142ddd2764c
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parents:
diff
changeset
|
778 </para> |
7142ddd2764c
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parents:
diff
changeset
|
779 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
780 </directive> |
7142ddd2764c
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parents:
diff
changeset
|
781 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
782 |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
783 <directive name="proxy_max_temp_file_size"> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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parents:
364
diff
changeset
|
784 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
785 <default>1024m</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
diff
changeset
|
786 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
787 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
788 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
789 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
790 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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parents:
364
diff
changeset
|
791 When <link id="proxy_buffering">buffering</link> of responses from the proxied |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
792 server is enabled, and the whole response does not fit into memory buffers |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
793 set by the <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
794 directives, part of a response can be saved to a temporary file. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
795 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
|
796 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
|
797 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
|
798 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
799 |
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 Value of zero disables buffering of responses to temporary files. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
802 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
803 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
804 </directive> |
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 |
787
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
807 <directive name="proxy_method"> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
808 <syntax><value>method</value></syntax> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
809 <default/> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
810 <context>http</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
811 <context>server</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
812 <context>location</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
813 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
814 <para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
815 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
|
816 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
|
817 </para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
818 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
819 </directive> |
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 |
281
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parents:
diff
changeset
|
822 <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
|
823 <syntax> |
364 | 824 <literal>error</literal> | |
825 <literal>timeout</literal> | | |
826 <literal>invalid_header</literal> | | |
827 <literal>http_500</literal> | | |
828 <literal>http_502</literal> | | |
829 <literal>http_503</literal> | | |
830 <literal>http_504</literal> | | |
917
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
changeset
|
831 <literal>http_403</literal> | |
364 | 832 <literal>http_404</literal> | |
833 <literal>off</literal> | |
834 ...</syntax> | |
281
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parents:
diff
changeset
|
835 <default>error timeout</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
836 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
837 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
838 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
839 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
840 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
841 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
|
842 <list type="tag"> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
843 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
844 <tag-name><literal>error</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
845 <tag-desc>an error occurred while establishing a connection with the |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
846 server, passing it a request, or reading the response header;</tag-desc> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
847 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
848 <tag-name><literal>timeout</literal></tag-name> |
7142ddd2764c
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parents:
diff
changeset
|
849 <tag-desc>a timeout has occurred while establishing a connection with the |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
850 server, passing it a request, or reading the response header;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
851 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
852 <tag-name><literal>invalid_header</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
853 <tag-desc>a server returned empty or invalid response;</tag-desc> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
854 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
855 <tag-name><literal>http_500</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
856 <tag-desc>a server returned a response with the code 500;</tag-desc> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
857 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
858 <tag-name><literal>http_502</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
859 <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
changeset
|
860 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
861 <tag-name><literal>http_503</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
862 <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
changeset
|
863 |
7142ddd2764c
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parents:
diff
changeset
|
864 <tag-name><literal>http_504</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
865 <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
|
866 |
917
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
changeset
|
867 <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
|
868 <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
changeset
|
869 |
281
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diff
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|
870 <tag-name><literal>http_404</literal></tag-name> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
871 <tag-desc>a server returned a response with the code 404;</tag-desc> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
872 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
873 <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
|
874 <tag-desc>disables passing a request to the next server.</tag-desc> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
875 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
876 </list> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
877 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
878 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
879 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
880 It should be understood that passing a request to the next server is |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
881 only possible if a client was not sent anything yet. |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
882 That is, if an error or a timeout occurs in the middle of |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
883 transferring a response, fixing this is impossible. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
884 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
885 |
942
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
886 <para> |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
887 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
|
888 of communication with a |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
889 <link doc="ngx_http_upstream_module.xml" id="server"/>. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
890 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
|
891 <literal>invalid_header</literal> are always considered unsuccessful attempts, |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
892 even if they are not specified in the directive. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
893 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
|
894 <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
|
895 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
|
896 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
|
897 are never considered unsuccessful attempts. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
898 </para> |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
899 |
281
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diff
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|
900 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
901 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
902 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
903 <directive name="proxy_no_cache"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
904 <syntax><value>string</value> ...</syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
905 <default/> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
906 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
907 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
908 <context>location</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
909 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
910 <para> |
294 | 911 Defines conditions under which the response will not be saved to a cache. |
281
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parents:
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|
912 If at least one value of the string parameters is not empty and is not |
294 | 913 equal to “0” then the response will not be saved: |
281
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|
914 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
915 proxy_no_cache $cookie_nocache $arg_nocache$arg_comment; |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
916 proxy_no_cache $http_pragma $http_authorization; |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
917 </example> |
7142ddd2764c
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parents:
diff
changeset
|
918 Can be used along with the <link id="proxy_cache_bypass"/> directive. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
919 </para> |
7142ddd2764c
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parents:
diff
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|
920 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
921 </directive> |
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parents:
diff
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|
922 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
923 |
7142ddd2764c
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parents:
diff
changeset
|
924 <directive name="proxy_pass"> |
7142ddd2764c
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parents:
diff
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|
925 <syntax><value>URL</value></syntax> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
926 <default/> |
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parents:
diff
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|
927 <context>location</context> |
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parents:
diff
changeset
|
928 <context>if in location</context> |
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parents:
diff
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|
929 <context>limit_except</context> |
7142ddd2764c
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parents:
diff
changeset
|
930 |
7142ddd2764c
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parents:
diff
changeset
|
931 <para> |
535
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
changeset
|
932 Sets the protocol and address of a proxied server, and an optional URI |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
changeset
|
933 to which a location should be mapped. |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
changeset
|
934 A protocol can be specified as |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
changeset
|
935 “<literal>http</literal>” or “<literal>https</literal>”. |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
changeset
|
936 An address can be specified as a domain name or IP address, |
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937 and an optional port: |
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938 <example> |
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939 proxy_pass http://localhost:8000/uri/; |
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940 </example> |
535
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941 or as a UNIX-domain socket path specified after the word |
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Revised description of "proxy_pass".
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942 “<literal>unix</literal>” and enclosed in colons: |
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943 <example> |
351
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944 proxy_pass http://unix:/tmp/backend.socket:/uri/; |
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945 </example> |
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946 </para> |
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|
947 |
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|
948 <para> |
294 | 949 If a domain name resolves to several addresses, all of them will be |
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|
950 used in a round-robin fashion. |
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951 In addition, an address can be specified as a |
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|
952 <link doc="ngx_http_upstream_module.xml">server group</link>. |
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953 </para> |
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|
954 |
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|
955 <para> |
535
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956 A request URI is passed to the server as follows: |
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957 <list type="bullet" compact="no"> |
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958 |
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959 <listitem> |
535
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960 If <literal>proxy_pass</literal> is specified with URI, |
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961 when passing a request to the server, part of a |
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962 <link doc="ngx_http_core_module.xml" id="location">normalized</link> |
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963 request URI matching the location is replaced by a URI |
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964 specified in the directive: |
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965 <example> |
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966 location /name/ { |
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967 proxy_pass http://127.0.0.1/remote/; |
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968 } |
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969 </example> |
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970 </listitem> |
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971 |
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972 <listitem> |
535
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973 If <literal>proxy_pass</literal> is specified without URI, |
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974 a request URI is passed to the server in the same form |
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975 as sent by a client when processing an original request, |
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976 or the full normalized request URI is passed |
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977 when processing the changed URI: |
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978 <example> |
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979 location /some/path/ { |
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980 proxy_pass http://127.0.0.1; |
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981 } |
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|
982 </example> |
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|
983 <note> |
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984 Before version 1.1.12, |
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985 if <literal>proxy_pass</literal> is specified without a URI, |
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986 an original request URI might be passed |
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987 instead of the changed URI in some cases. |
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988 </note> |
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|
989 </listitem> |
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|
990 </list> |
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|
991 </para> |
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|
992 |
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|
993 <para> |
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994 In some cases, part of a request URI to be replaced cannot be determined: |
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995 <list type="bullet" compact="no"> |
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|
996 |
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|
997 <listitem> |
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998 When location is specified using a regular expression. |
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999 <para> |
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1000 In this case, the directive should be specified without URI. |
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1001 </para> |
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|
1002 </listitem> |
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|
1003 |
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|
1004 <listitem> |
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1005 When URI is changed inside a proxied location using the |
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|
1006 <link doc="ngx_http_rewrite_module.xml" id="rewrite"/> directive, |
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1007 and this same configuration will be used to process a request |
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1008 (<literal>break</literal>): |
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1009 <example> |
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1010 location /name/ { |
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|
1011 rewrite /name/([^/]+) /users?name=$1 break; |
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1012 proxy_pass http://127.0.0.1; |
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1013 } |
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1014 </example> |
535
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1015 <para> |
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1016 In this case, a URI specified in the directive is ignored and |
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1017 the full changed request URI is passed to the server. |
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1018 </para> |
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1019 </listitem> |
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1020 </list> |
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1021 </para> |
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1022 |
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1023 <para> |
535
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1024 A server name, its port and passed URI can also be specified using variables: |
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1025 <example> |
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1026 proxy_pass http://$host$uri; |
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1027 </example> |
535
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1028 or even like this: |
281
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1029 <example> |
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1030 proxy_pass $request; |
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1031 </example> |
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1032 </para> |
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1033 |
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1034 <para> |
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1035 In this case the server name is searched among the described |
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1036 <link doc="ngx_http_upstream_module.xml">server groups</link>, |
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1037 and if not found is determined using a |
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1038 <link doc="ngx_http_core_module.xml" id="resolver"/>. |
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1039 </para> |
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1040 |
849 | 1041 <para> |
1042 <link doc="websocket.xml">WebSocket</link> proxying requires special | |
1043 configuration and is supported since version 1.3.13. | |
1044 </para> | |
1045 | |
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1046 </directive> |
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1047 |
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1048 |
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1049 <directive name="proxy_pass_header"> |
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1050 <syntax><value>field</value></syntax> |
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1051 <default/> |
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1052 <context>http</context> |
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1053 <context>server</context> |
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1054 <context>location</context> |
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1055 |
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1056 <para> |
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1057 Permits to pass <link id="proxy_hide_header">otherwise disabled</link> header |
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1058 fields from a proxied server to a client. |
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1059 </para> |
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1060 |
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1061 </directive> |
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1062 |
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1063 |
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|
1064 <directive name="proxy_read_timeout"> |
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1065 <syntax><value>time</value></syntax> |
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1066 <default>60s</default> |
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1067 <context>http</context> |
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1068 <context>server</context> |
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1069 <context>location</context> |
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1070 |
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1071 <para> |
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1072 Defines a timeout for reading a response from the proxied server. |
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1073 A timeout is only set between two successive read operations, |
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1074 not for the transmission of the whole response. |
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1075 If a proxied server does not transmit anything within this time, |
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1076 a connection is closed. |
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1077 </para> |
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1078 |
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1079 </directive> |
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1080 |
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1081 |
789
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1082 <directive name="proxy_pass_request_body"> |
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1083 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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1084 <default>on</default> |
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1085 <context>http</context> |
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1086 <context>server</context> |
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1087 <context>location</context> |
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1088 |
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1089 <para> |
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1090 If disabled, the original request body will not be passed |
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1091 to the proxied server. |
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1092 <example> |
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1093 location /x-accel-redirect-here/ { |
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1094 proxy_method GET; |
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1095 proxy_pass_request_body off; |
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1096 proxy_set_header Content-Length ""; |
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1097 |
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1098 proxy_pass ... |
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1099 } |
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1100 </example> |
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1101 See also the <link id="proxy_set_header"/> and |
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1102 <link id="proxy_pass_request_headers"/> directives. |
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1103 </para> |
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1104 |
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1105 </directive> |
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1106 |
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1107 |
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1108 <directive name="proxy_pass_request_headers"> |
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1109 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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1110 <default>on</default> |
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1111 <context>http</context> |
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1112 <context>server</context> |
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1113 <context>location</context> |
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1114 |
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1115 <para> |
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1116 If disabled, header fields of the original request will not be passed to the |
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1117 proxied server. |
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1118 <example> |
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1119 location /x-accel-redirect-here/ { |
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1120 proxy_method GET; |
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1121 proxy_pass_request_headers off; |
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1122 proxy_pass_request_body off; |
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1123 |
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1124 proxy_pass ... |
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1125 } |
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1126 </example> |
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1127 See also the <link id="proxy_set_header"/> and |
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1128 <link id="proxy_pass_request_body"/> directives. |
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1129 </para> |
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1130 |
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1131 </directive> |
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1132 |
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1133 |
281
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1134 <directive name="proxy_redirect"> |
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|
1135 <syntax><literal>default</literal></syntax> |
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|
1136 <syntax><literal>off</literal></syntax> |
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|
1137 <syntax><value>redirect</value> <value>replacement</value></syntax> |
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|
1138 <default>default</default> |
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1139 <context>http</context> |
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|
1140 <context>server</context> |
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1141 <context>location</context> |
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|
1142 |
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|
1143 <para> |
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1144 Sets a text that should be changed in the header fields |
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1145 <header>Location</header> and <header>Refresh</header> of a response |
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1146 from the proxied server. |
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|
1147 Suppose a proxied server returned the header field |
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1148 “<literal>Location: http://localhost:8000/two/some/uri/</literal>”. |
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1149 The directive |
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1150 <example> |
351
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1151 proxy_redirect http://localhost:8000/two/ http://frontend/one/; |
281
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1152 </example> |
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1153 will rewrite this string to |
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|
1154 “<literal>Location: http://frontend/one/some/uri/</literal>”. |
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1155 </para> |
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1156 |
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1157 <para> |
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1158 A server name may be omitted from the <value>replacement</value> string: |
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1159 <example> |
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1160 proxy_redirect http://localhost:8000/two/ /; |
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1161 </example> |
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1162 then the primary server’s name and a port, if different from 80, |
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1163 will be substituted. |
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1164 </para> |
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1165 |
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1166 <para> |
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1167 The default replacement specified by the <literal>default</literal> parameter |
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1168 uses the parameters of the |
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1169 <link doc="ngx_http_core_module.xml" id="location"/> and |
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1170 <link id="proxy_pass"/> directives. |
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1171 Hence, the two configurations below are equivalent: |
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1172 <example> |
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1173 location /one/ { |
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|
1174 proxy_pass http://upstream:port/two/; |
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|
1175 proxy_redirect default; |
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1176 </example> |
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parents:
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|
1177 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
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|
1178 <example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1179 location /one/ { |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1180 proxy_pass http://upstream:port/two/; |
7142ddd2764c
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parents:
diff
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|
1181 proxy_redirect http://upstream:port/two/ /one/; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1182 </example> |
7142ddd2764c
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parents:
diff
changeset
|
1183 The <literal>default</literal> parameter is not permitted if |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1184 <link id="proxy_pass"/> is specified using variables. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1185 </para> |
7142ddd2764c
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parents:
diff
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|
1186 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1187 <para> |
7142ddd2764c
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parents:
diff
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|
1188 A <value>replacement</value> string can contain variables: |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1189 <example> |
351
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1190 proxy_redirect http://localhost:8000/ http://$host:$server_port/; |
281
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parents:
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|
1191 </example> |
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parents:
diff
changeset
|
1192 </para> |
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parents:
diff
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|
1193 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
1194 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
1195 A <value>redirect</value> can also contain (1.1.11) variables: |
7142ddd2764c
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|
1196 <example> |
351
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1197 proxy_redirect http://$proxy_host:8000/ /; |
281
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|
1198 </example> |
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parents:
diff
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|
1199 </para> |
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parents:
diff
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|
1200 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1201 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
1202 A directive can be specified (1.1.11) using regular expressions. |
417
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
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|
1203 In this case, <value>redirect</value> should either start from |
281
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parents:
diff
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|
1204 the “<literal>~</literal>” symbol for a case-sensitive matching, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1205 or from the “<literal>~*</literal>” symbols for case-insensitive |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1206 matching. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1207 A regular expression can contain named and positional captures, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1208 and <value>replacement</value> can reference them: |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1209 <example> |
351
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1210 proxy_redirect ~^(http://[^:]+):\d+(/.+)$ $1$2; |
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Consistently strip initial offset in examples.
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|
1211 proxy_redirect ~*/user/([^/]+)/(.+)$ http://$1.example.com/$2; |
281
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|
1212 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1213 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1214 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1215 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1216 There could be several <literal>proxy_redirect</literal> directives: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1217 <example> |
351
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diff
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|
1218 proxy_redirect default; |
a4fa80755eab
Consistently strip initial offset in examples.
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316
diff
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|
1219 proxy_redirect http://localhost:8000/ /; |
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Consistently strip initial offset in examples.
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316
diff
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|
1220 proxy_redirect http://www.example.com/ /; |
281
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parents:
diff
changeset
|
1221 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1222 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1223 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1224 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1225 The <literal>off</literal> parameter cancels all |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1226 <literal>proxy_redirect</literal> directives on the current level: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1227 <example> |
351
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Consistently strip initial offset in examples.
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316
diff
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|
1228 proxy_redirect off; |
a4fa80755eab
Consistently strip initial offset in examples.
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parents:
316
diff
changeset
|
1229 proxy_redirect default; |
a4fa80755eab
Consistently strip initial offset in examples.
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316
diff
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|
1230 proxy_redirect http://localhost:8000/ /; |
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Consistently strip initial offset in examples.
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316
diff
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|
1231 proxy_redirect http://www.example.com/ /; |
281
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diff
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|
1232 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1233 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1234 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1235 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1236 Using this directive it is also possible to add host names to relative |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1237 redirects issued by a proxied server: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1238 <example> |
351
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|
1239 proxy_redirect / /; |
281
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diff
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|
1240 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1241 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1242 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1243 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1244 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1245 |
773
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1246 <directive name="proxy_send_lowat"> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1247 <syntax><value>size</value></syntax> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1248 <default>0</default> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1249 <context>http</context> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1250 <context>server</context> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1251 <context>location</context> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1252 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1253 <para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1254 If set to a non-zero value, nginx will try to minimize the number |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1255 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
|
1256 <c-def>NOTE_LOWAT</c-def> flag of the |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1257 <link doc="../events.xml" id="kqueue"/> method, |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1258 or the <c-def>SO_SNDLOWAT</c-def> socket option, |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1259 with the specified <value>size</value>. |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1260 </para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1261 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1262 <para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1263 This directive is ignored on Linux, Solaris, and Windows. |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1264 </para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1265 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1266 </directive> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1267 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1268 |
281
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|
1269 <directive name="proxy_send_timeout"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1270 <syntax><value>time</value></syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1271 <default>60s</default> |
7142ddd2764c
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parents:
diff
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|
1272 <context>http</context> |
7142ddd2764c
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parents:
diff
changeset
|
1273 <context>server</context> |
7142ddd2764c
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parents:
diff
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|
1274 <context>location</context> |
7142ddd2764c
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parents:
diff
changeset
|
1275 |
7142ddd2764c
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parents:
diff
changeset
|
1276 <para> |
7142ddd2764c
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parents:
diff
changeset
|
1277 Sets a timeout for transmitting a request to the proxied server. |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1278 A timeout is only set between two successive write operations, |
7142ddd2764c
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parents:
diff
changeset
|
1279 not for the transmission of the whole request. |
7142ddd2764c
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parents:
diff
changeset
|
1280 If a proxied server does not receive anything within this time, |
7142ddd2764c
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parents:
diff
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|
1281 a connection is closed. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
1282 </para> |
7142ddd2764c
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diff
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|
1283 |
7142ddd2764c
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diff
changeset
|
1284 </directive> |
7142ddd2764c
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parents:
diff
changeset
|
1285 |
7142ddd2764c
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parents:
diff
changeset
|
1286 |
787
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1287 <directive name="proxy_set_body"> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
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773
diff
changeset
|
1288 <syntax><value>value</value></syntax> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
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773
diff
changeset
|
1289 <default/> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
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773
diff
changeset
|
1290 <context>http</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1291 <context>server</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1292 <context>location</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1293 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1294 <para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1295 Allows to redefine request body passed to the proxied server. |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1296 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
|
1297 </para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1298 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1299 </directive> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1300 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1301 |
281
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parents:
diff
changeset
|
1302 <directive name="proxy_set_header"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1303 <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
|
1304 <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
|
1305 <default>Connection close</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1306 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1307 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1308 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1309 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1310 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1311 Allows to redefine or append fields to the request header |
789
1063836dacea
Documented "proxy_pass_request_body/headers" directives.
Vladimir Homutov <vl@nginx.com>
parents:
787
diff
changeset
|
1312 <link id="proxy_pass_request_headers">passed</link> to the proxied server. |
281
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parents:
diff
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|
1313 A <value>value</value> can contain text, variables, and their combination. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1314 These directives are inherited from the previous level if and |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1315 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
|
1316 <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
|
1317 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
|
1318 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
|
1319 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1320 proxy_set_header Host $proxy_host; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1321 proxy_set_header Connection close; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1322 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1323 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1324 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1325 <para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1326 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
|
1327 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1328 proxy_set_header Host $http_host; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1329 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1330 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1331 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1332 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1333 However, if this field is not present in a client request header then |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1334 nothing will be passed. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1335 In such a case it is better to use the <var>$host</var> variable—its |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1336 value equals the server name in the <header>Host</header> request header |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1337 field, or the primary server name if this field is not present: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1338 <example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1339 proxy_set_header Host $host; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1340 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1341 </para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1342 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1343 <para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1344 In addition, a server name can be passed together with a port of the |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1345 proxied server: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1346 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1347 proxy_set_header Host $host:$proxy_port; |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1348 </example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1349 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1350 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1351 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1352 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
|
1353 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
|
1354 <example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1355 proxy_set_header Accept-Encoding ""; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1356 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1357 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1358 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1359 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1360 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1361 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1362 <directive name="proxy_ssl_session_reuse"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1363 <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
|
1364 <default>on</default> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1365 <context>http</context> |
7142ddd2764c
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parents:
diff
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|
1366 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1367 <context>location</context> |
7142ddd2764c
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parents:
diff
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|
1368 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1369 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1370 Determines whether SSL sessions can be reused when working with |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1371 the proxied server. |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1372 If the errors |
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parents:
diff
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|
1373 “<literal>SSL3_GET_FINISHED:digest check failed</literal>” |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1374 appear in the logs, try to disable session reuse. |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1375 </para> |
7142ddd2764c
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diff
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|
1376 |
7142ddd2764c
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diff
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|
1377 </directive> |
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parents:
diff
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|
1378 |
7142ddd2764c
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parents:
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|
1379 |
7142ddd2764c
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parents:
diff
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|
1380 <directive name="proxy_store"> |
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|
1381 <syntax> |
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parents:
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|
1382 <literal>on</literal> | |
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|
1383 <literal>off</literal> | |
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|
1384 <value>string</value></syntax> |
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|
1385 <default>off</default> |
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|
1386 <context>http</context> |
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|
1387 <context>server</context> |
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|
1388 <context>location</context> |
7142ddd2764c
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|
1389 |
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|
1390 <para> |
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|
1391 Enables saving of files to a disk. |
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parents:
diff
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|
1392 The <literal>on</literal> parameter saves files with paths |
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|
1393 corresponding to the directives |
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|
1394 <link doc="ngx_http_core_module.xml" id="alias"/> or |
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|
1395 <link doc="ngx_http_core_module.xml" id="root"/>. |
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parents:
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|
1396 The <literal>off</literal> parameter disables saving of files. |
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|
1397 In addition, the file name can be set explicitly using the |
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|
1398 <value>string</value> with variables: |
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|
1399 <example> |
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|
1400 proxy_store /data/www$original_uri; |
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|
1401 </example> |
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|
1402 </para> |
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|
1403 |
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|
1404 <para> |
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|
1405 The modification time of files is set according to the received |
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changeset
|
1406 <header>Last-Modified</header> response header field. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1407 A response is first written to a temporary file, then a file is renamed. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1408 Starting from version 0.8.9 temporary files and the persistent store |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1409 can be put on different file systems but be aware that in this case |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1410 a file is copied across two file systems instead of the cheap rename operation. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1411 It is thus recommended that for any given location both saved files and a |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1412 directory holding temporary files set by the <link id="proxy_temp_path"/> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1413 directive are put on the same file system. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1414 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1415 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1416 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1417 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
|
1418 files, e.g.: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1419 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1420 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1421 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1422 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
|
1423 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
|
1424 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1425 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1426 location /fetch/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1427 internal; |
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 proxy_pass http://backend/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1430 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1431 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
|
1432 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
|
1433 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1434 alias /data/www/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1435 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1436 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1437 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1438 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1439 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1440 or like this: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1441 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1442 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1443 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1444 error_page 404 = @fetch; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1445 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1446 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1447 location @fetch { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1448 internal; |
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 proxy_pass http://backend; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1451 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1452 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
|
1453 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
|
1454 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1455 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1456 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1457 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1458 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1459 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1460 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1461 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1462 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1463 <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
|
1464 <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
|
1465 <default>user:rw</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1466 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1467 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1468 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1469 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1470 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1471 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
|
1472 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1473 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
|
1474 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1475 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1476 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1477 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1478 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
|
1479 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
|
1480 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1481 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
|
1482 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1483 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1484 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1485 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1486 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1487 |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1488 <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
|
1489 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1490 <default>8k|16k</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1491 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1492 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1493 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1494 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1495 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1496 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
|
1497 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
|
1498 to temporary files is enabled. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1499 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
|
1500 <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
|
1501 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
|
1502 <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
|
1503 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1504 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1505 </directive> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1506 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1507 |
281
7142ddd2764c
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parents:
diff
changeset
|
1508 <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
|
1509 <syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1510 <value>path</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1511 [<value>level1</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1512 [<value>level2</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1513 [<value>level3</value>]]]</syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1514 <default>proxy_temp</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1515 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1516 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1517 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1518 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1519 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1520 Defines a directory for storing temporary files |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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1521 with data received from proxied servers. |
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1522 Up to three-level subdirectory hierarchy can be used underneath the specified |
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1523 directory. |
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1524 For example, in the following configuration |
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1525 <example> |
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1526 proxy_temp_path /spool/nginx/proxy_temp 1 2; |
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1527 </example> |
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1528 a temporary file might look like this: |
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1529 <example> |
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1530 /spool/nginx/proxy_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
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1531 </example> |
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1532 </para> |
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1533 |
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1534 </directive> |
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1535 |
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1536 </section> |
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1537 |
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1538 |
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1539 <section id="variables" name="Embedded Variables"> |
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1540 |
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1541 <para> |
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1542 The <literal>ngx_http_proxy_module</literal> module supports embedded variables |
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1543 that can be used to compose headers using the |
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1544 <link id="proxy_set_header"/> directive: |
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1545 <list type="tag"> |
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1546 |
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1547 <tag-name><var>$proxy_host</var></tag-name> |
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1548 <tag-desc>name and port of a proxied server;</tag-desc> |
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1549 |
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1550 <tag-name><var>$proxy_port</var></tag-name> |
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1551 <tag-desc>port of a proxied server;</tag-desc> |
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1552 |
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1553 <tag-name><var>$proxy_add_x_forwarded_for</var></tag-name> |
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1554 <tag-desc>the <header>X-Forwarded-For</header> client request header field |
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1555 with the <var>$remote_addr</var> variable appended to it, separated by a comma. |
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1556 If the <header>X-Forwarded-For</header> field is not present in the client |
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1557 request header, the <var>$proxy_add_x_forwarded_for</var> variable is equal |
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1558 to the <var>$remote_addr</var> variable.</tag-desc> |
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1559 </list> |
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1560 </para> |
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1561 |
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1562 </section> |
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1563 |
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1564 </module> |