Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_proxy_module.xml @ 614:0526cac4637e
Removed intimate details of the "debug_connection" directive's
behavior that is soon to be changed again.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Tue, 31 Jul 2012 13:24:43 +0000 |
parents | 764fbac1b8b4 |
children | ce121bf644f5 |
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1 <?xml version="1.0"?> |
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2 |
580
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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" |
13 rev="1"> | |
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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_buffer_size"> |
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43 <syntax><value>size</value></syntax> |
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44 <default>4k|8k</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 |
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49 <para> |
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50 Sets <value>size</value> of the buffer used for reading the first part |
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51 of a response received from the proxied server. |
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52 This part usually contains a small response header. |
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53 By default, the buffer size is equal to the size of one |
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54 buffer set by the <link id="proxy_buffers"/> directive. |
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55 It can be made smaller however. |
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56 </para> |
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57 |
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58 </directive> |
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59 |
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60 |
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61 <directive name="proxy_buffering"> |
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62 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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63 <default>on</default> |
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64 <context>http</context> |
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65 <context>server</context> |
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66 <context>location</context> |
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67 |
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68 <para> |
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69 Enables or disables buffering of responses from the proxied server. |
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70 </para> |
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71 |
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72 <para> |
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73 When buffering is enabled, nginx receives a response from the proxied server |
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74 as soon as possible, saving it into buffers set by the |
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75 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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76 If the whole response does not fit into memory, part of it can be saved |
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77 to a <link id="proxy_temp_path">temporary file</link> on disk. |
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78 Writes to temporary files are controlled by the |
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79 <link id="proxy_max_temp_file_size"/> and |
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80 <link id="proxy_temp_file_write_size"/> directives. |
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81 </para> |
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82 |
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83 <para> |
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84 When buffering is disabled, a response is passed to a client synchronously, |
362 | 85 immediately as it is received. |
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86 nginx will not try to read the whole response from the proxied server. |
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87 The maximum size of the data that nginx can receive from the server |
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88 at a time is set by the <link id="proxy_buffer_size"/> directive. |
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89 </para> |
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90 |
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91 <para> |
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92 Buffering can also be enabled or disabled by passing |
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93 “<literal>yes</literal>” or “<literal>no</literal>” in the |
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94 <header>X-Accel-Buffering</header> response header field. |
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95 This ability can be disabled using the |
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96 <link doc="ngx_http_proxy_module.xml" id="proxy_ignore_headers"/> directive. |
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97 </para> |
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98 |
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99 </directive> |
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100 |
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101 |
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102 <directive name="proxy_buffers"> |
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103 <syntax><value>number</value> <value>size</value></syntax> |
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104 <default>8 4k|8k</default> |
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105 <context>http</context> |
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106 <context>server</context> |
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107 <context>location</context> |
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108 |
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109 <para> |
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110 Sets the <value>number</value> and <value>size</value> of |
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111 buffers used for reading a response from the proxied server, |
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112 for a single connection. |
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113 By default, the buffer size is equal to one memory page. |
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114 This is either 4K or 8K, depending on a platform. |
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115 </para> |
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116 |
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117 </directive> |
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118 |
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119 |
405
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120 <directive name="proxy_busy_buffers_size"> |
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121 <syntax><value>size</value></syntax> |
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122 <default>8k|16k</default> |
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123 <context>http</context> |
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124 <context>server</context> |
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125 <context>location</context> |
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126 |
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127 <para> |
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128 When <link id="proxy_buffering">buffering</link> of responses from the proxied |
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129 server is enabled, limits the total <value>size</value> of buffers that |
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130 can be busy sending a response to the client while the response is not |
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131 yet fully read. |
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132 In the mean time, the rest of the buffers can be used for reading a response |
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133 and, if needed, buffering part of a response to a temporary file. |
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134 By default, <value>size</value> is limited by two buffers set by the |
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135 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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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 |
281
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141 <directive name="proxy_cache"> |
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142 <syntax><value>zone</value> | <literal>off</literal></syntax> |
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143 <default>off</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 Defines a shared memory zone used for caching. |
281
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150 The same zone can be used in several places. |
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151 The <literal>off</literal> parameter disables caching inherited |
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152 from the previous configuration level. |
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153 </para> |
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154 |
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155 </directive> |
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156 |
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157 |
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158 <directive name="proxy_cache_bypass"> |
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159 <syntax><value>string</value> ...</syntax> |
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160 <default/> |
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161 <context>http</context> |
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162 <context>server</context> |
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163 <context>location</context> |
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164 |
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165 <para> |
294 | 166 Defines conditions under which the response will not be taken from a cache. |
281
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167 If at least one value of the string parameters is not empty and is not |
294 | 168 equal to “0” then the response will not be taken from the cache: |
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169 <example> |
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170 proxy_cache_bypass $cookie_nocache $arg_nocache$arg_comment; |
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171 proxy_cache_bypass $http_pragma $http_authorization; |
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172 </example> |
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173 Can be used along with the <link id="proxy_no_cache"/> directive. |
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174 </para> |
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175 |
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176 </directive> |
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177 |
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178 |
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179 <directive name="proxy_cache_key"> |
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180 <syntax><value>string</value></syntax> |
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181 <default>$scheme$proxy_host$request_uri</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> |
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187 Defines a key for caching, for example |
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188 <example> |
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189 proxy_cache_key "$host$request_uri $cookie_user"; |
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190 </example> |
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191 By default, the directive’s value is close to the string |
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192 <example> |
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193 proxy_cache_key $scheme$proxy_host$uri$is_args$args; |
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194 </example> |
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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 |
302
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200 <directive name="proxy_cache_lock"> |
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201 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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202 <default>off</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> |
310
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206 <appeared-in>1.1.12</appeared-in> |
302
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207 |
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208 <para> |
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209 When enabled, only one request at a time will be allowed to populate |
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210 a new cache element identified according to the <link id="proxy_cache_key"/> |
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211 directive by passing a request to a proxied server. |
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212 Other requests of the same cache element will either wait |
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213 for a response to appear in the cache, or the cache lock for |
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214 this element to be released, up to the time set by the |
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215 <link id="proxy_cache_lock_timeout"/> directive. |
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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 |
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221 <directive name="proxy_cache_lock_timeout"> |
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222 <syntax><value>time</value></syntax> |
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223 <default>5s</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 Sets a timeout for <link id="proxy_cache_lock"/>. |
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231 </para> |
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232 |
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233 </directive> |
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234 |
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235 |
281
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236 <directive name="proxy_cache_min_uses"> |
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237 <syntax><value>number</value></syntax> |
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238 <default>1</default> |
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239 <context>http</context> |
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240 <context>server</context> |
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241 <context>location</context> |
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242 |
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243 <para> |
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244 Sets the <value>number</value> of requests after which the response |
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245 will be cached. |
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246 </para> |
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247 |
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248 </directive> |
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249 |
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250 |
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251 <directive name="proxy_cache_path"> |
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252 <syntax> |
364 | 253 <value>path</value> |
254 [<literal>levels</literal>=<value>levels</value>] | |
255 <literal>keys_zone</literal>=<value>name</value>:<value>size</value> | |
256 [<literal>inactive</literal>=<value>time</value>] | |
508
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257 [<literal>max_size</literal>=<value>size</value>] |
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258 [<literal>loader_files</literal>=<value>number</value>] |
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259 [<literal>loader_sleep</literal>=<value>time</value>] |
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260 [<literal>loader_threshold</literal>=<value>time</value>]</syntax> |
281
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261 <default/> |
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262 <context>http</context> |
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263 |
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264 <para> |
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265 Sets path and other parameters of a cache. |
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266 Cache data are stored in files. |
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267 Both the key and file name in a cache are a result of |
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268 applying the MD5 function to the proxied URL. |
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269 |
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270 The <literal>levels</literal> parameter defines hierarchy levels of a cache. |
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271 For example, in the following configuration |
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272 <example> |
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273 proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; |
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274 </example> |
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275 file names in a cache will look like this: |
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276 <example> |
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277 /data/nginx/cache/<emphasis>c</emphasis>/<emphasis>29</emphasis>/b7f54b2df7773722d382f4809d650<emphasis>29c</emphasis> |
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278 </example> |
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279 </para> |
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280 |
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281 <para> |
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282 A cached response is first written to a temporary file, then a file is renamed. |
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283 Starting from version 0.8.9 temporary files and the cache can be put on |
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284 different file systems but be aware that in this case a file is copied |
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285 across two file systems instead of the cheap rename operation. |
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286 It is thus recommended that for any given location both cache and a directory |
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287 holding temporary files set by the <link id="proxy_temp_path"/> directive |
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288 are put on the same file system. |
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289 </para> |
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290 |
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291 <para> |
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292 In addition, all active keys and information about data are stored |
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293 in a shared memory zone, whose <value>name</value> and <value>size</value> |
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294 are configured by the <literal>keys_zone</literal> parameter. |
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295 Cached data that are not accessed during the time specified by the |
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296 <literal>inactive</literal> parameter get removed from the cache |
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297 regardless of their freshness. |
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298 By default, <literal>inactive</literal> is set to 10 minutes. |
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299 </para> |
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300 |
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301 <para> |
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302 The special process “cache manager” monitors the maximum cache size set |
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303 by the <literal>max_size</literal> parameter; |
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304 when this size is exceeded it removes the least recently used data. |
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305 </para> |
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306 |
508
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307 <para> |
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308 A minute after the start the special process “cache loader” is activated |
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309 that loads information about previously cached data stored on file system |
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310 into a cache zone. |
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311 A load is done in iterations. |
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312 During one iteration no more than <literal>loader_files</literal> items |
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313 are loaded (by default, 100). |
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314 Besides, the duration of one iteration is limited by the |
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315 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). |
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316 A pause is made between iterations, configured by the |
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317 <literal>loader_sleep</literal> parameter (by default, 50 milliseconds). |
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318 </para> |
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319 |
281
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320 </directive> |
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321 |
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322 |
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323 <directive name="proxy_cache_use_stale"> |
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324 <syntax> |
364 | 325 <literal>error</literal> | |
326 <literal>timeout</literal> | | |
327 <literal>invalid_header</literal> | | |
328 <literal>updating</literal> | | |
329 <literal>http_500</literal> | | |
330 <literal>http_502</literal> | | |
331 <literal>http_503</literal> | | |
332 <literal>http_504</literal> | | |
333 <literal>http_404</literal> | | |
334 <literal>off</literal> | |
335 ...</syntax> | |
281
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336 <default>off</default> |
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337 <context>http</context> |
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338 <context>server</context> |
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339 <context>location</context> |
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340 |
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341 <para> |
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342 If an error occurs while working with the proxied server it is possible |
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343 to use a stale cached response. |
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344 This directives determines in which cases it is permitted. |
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345 The directive’s parameters match those of the |
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346 <link id="proxy_next_upstream"/> directive. |
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347 </para> |
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348 |
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349 <para> |
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350 Additionally, the <literal>updating</literal> parameter permits |
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351 to use a stale cached response if it is currently being updated. |
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352 This allows to minimize the number of accesses to proxied servers |
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353 when updating cached data. |
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354 </para> |
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355 |
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356 <para> |
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357 To minimize the number of accesses to proxied servers when |
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358 populating a new cache element, the <link id="proxy_cache_lock"/> |
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359 directive can be used. |
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360 </para> |
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361 |
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362 </directive> |
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363 |
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364 |
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365 <directive name="proxy_cache_valid"> |
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366 <syntax>[<value>code</value> ...] <value>time</value></syntax> |
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367 <default/> |
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368 <context>http</context> |
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369 <context>server</context> |
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370 <context>location</context> |
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371 |
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372 <para> |
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373 Sets caching time for different response codes. |
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374 For example, the following directives |
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375 <example> |
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376 proxy_cache_valid 200 302 10m; |
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377 proxy_cache_valid 404 1m; |
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378 </example> |
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379 set 10 minutes of caching for responses with codes 200 and 302, |
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380 and 1 minute for responses with code 404. |
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381 </para> |
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382 |
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383 <para> |
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384 If only caching <value>time</value> is specified |
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385 <example> |
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386 proxy_cache_valid 5m; |
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387 </example> |
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388 then only 200, 301, and 302 responses are cached. |
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389 </para> |
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390 |
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391 <para> |
294 | 392 In addition, it can be specified to cache any responses using the |
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393 <literal>any</literal> parameter: |
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394 <example> |
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395 proxy_cache_valid 200 302 10m; |
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396 proxy_cache_valid 301 1h; |
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397 proxy_cache_valid any 1m; |
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398 </example> |
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399 </para> |
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400 |
506
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401 <para> |
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402 Parameters of caching can also be set directly |
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403 in the response header. |
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404 This has a higher precedence than setting of caching time using the directive. |
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405 The <header>X-Accel-Expires</header> header field sets caching time of a |
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406 response in seconds. |
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407 The value 0 disables to cache a response. |
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408 If a value starts with the prefix <literal>@</literal>, it sets an absolute |
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409 time in seconds since Epoch, up to which the response may be cached. |
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410 If header does not include the <header>X-Accel-Expires</header> field, |
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411 parameters of caching may be set in the header fields |
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412 <header>Expires</header> or <header>Cache-Control</header>. |
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413 If a header includes the <header>Set-Cookie</header> field, such a |
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414 response will not be cached. |
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415 Processing of one or more of these response header fields can be disabled |
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416 using the <link id="proxy_ignore_headers"/> directive. |
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417 </para> |
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418 |
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419 </directive> |
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420 |
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421 |
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422 <directive name="proxy_connect_timeout"> |
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423 <syntax><value>time</value></syntax> |
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424 <default>60s</default> |
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425 <context>http</context> |
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426 <context>server</context> |
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427 <context>location</context> |
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428 |
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429 <para> |
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430 Defines a timeout for establishing a connection with the proxied server. |
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431 It should be noted that this timeout cannot usually exceed 75 seconds. |
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432 </para> |
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433 |
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434 </directive> |
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435 |
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436 |
417
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437 <directive name="proxy_cookie_domain"> |
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438 <syntax><literal>off</literal></syntax> |
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439 <syntax><value>domain</value> <value>replacement</value></syntax> |
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440 <default>off</default> |
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441 <context>http</context> |
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442 <context>server</context> |
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443 <context>location</context> |
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444 <appeared-in>1.1.15</appeared-in> |
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445 |
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446 <para> |
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447 Sets a text that should be changed in the <literal>domain</literal> |
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448 attribute of the <header>Set-Cookie</header> header fields of a |
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449 proxied server response. |
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450 Suppose a proxied server returned the header field |
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451 <header>Set-Cookie</header> with the attribute |
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452 “<literal>domain=localhost</literal>”. |
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453 The directive |
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454 <example> |
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455 proxy_cookie_domain localhost example.org; |
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456 </example> |
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457 will rewrite this attribute to |
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458 “<literal>domain=example.org</literal>”. |
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459 </para> |
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460 |
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461 <para> |
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462 A dot at the beginning of the <value>domain</value> and |
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463 <value>replacement</value> strings, and the <literal>domain</literal> |
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464 attribute is ignored. |
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465 Matching is case-insensitive. |
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466 </para> |
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467 |
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468 <para> |
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469 The strings <value>domain</value> and <value>replacement</value> |
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470 can contain variables: |
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471 <example> |
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472 proxy_cookie_domain www.$host $host; |
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473 </example> |
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474 </para> |
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475 |
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476 <para> |
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477 A directive can also be specified using regular expressions. |
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478 In this case, <value>domain</value> should start from |
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479 the “<literal>~</literal>” symbol. |
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480 A regular expression can contain named and positional captures, |
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481 and <value>replacement</value> can reference them: |
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482 <example> |
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483 proxy_cookie_domain ~\.(?P<sl_domain>[-0-9a-z]+\.[a-z]+)$ $sl_domain; |
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484 </example> |
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485 </para> |
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486 |
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487 <para> |
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488 There could be several <literal>proxy_cookie_domain</literal> directives: |
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489 <example> |
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490 proxy_cookie_domain localhost example.org; |
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491 proxy_cookie_domain ~\.([a-z]+\.[a-z]+)$ $1; |
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492 </example> |
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493 </para> |
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494 |
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495 <para> |
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496 The <literal>off</literal> parameter cancels all |
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497 <literal>proxy_cookie_domain</literal> directives on the current level: |
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498 <example> |
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499 proxy_cookie_domain off; |
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500 proxy_cookie_domain localhost example.org; |
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501 proxy_cookie_domain www.example.org example.org; |
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502 </example> |
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503 </para> |
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504 |
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505 </directive> |
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506 |
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507 |
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508 <directive name="proxy_cookie_path"> |
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509 <syntax><literal>off</literal></syntax> |
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510 <syntax><value>path</value> <value>replacement</value></syntax> |
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511 <default>off</default> |
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512 <context>http</context> |
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513 <context>server</context> |
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514 <context>location</context> |
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515 <appeared-in>1.1.15</appeared-in> |
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516 |
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517 <para> |
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518 Sets a text that should be changed in the <literal>path</literal> |
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519 attribute of the <header>Set-Cookie</header> header fields of a |
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520 proxied server response. |
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521 Suppose a proxied server returned the header field |
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522 <header>Set-Cookie</header> with the attribute |
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523 “<literal>path=/two/some/uri/</literal>”. |
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524 The directive |
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525 <example> |
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526 proxy_cookie_path /two/ /; |
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527 </example> |
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528 will rewrite this attribute to |
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529 “<literal>path=/some/uri/</literal>”. |
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530 </para> |
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531 |
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532 <para> |
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533 The strings <value>path</value> and <value>replacement</value> |
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534 can contain variables: |
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535 <example> |
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536 proxy_cookie_path $uri /some$uri; |
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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 A directive can also be specified using regular expressions. |
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542 In this case, <value>path</value> should either start from |
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parents:
405
diff
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|
543 the “<literal>~</literal>” symbol for a case-sensitive matching, |
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544 or from the “<literal>~*</literal>” symbols for case-insensitive |
cbc2d1b51cb6
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diff
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|
545 matching. |
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parents:
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diff
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|
546 A regular expression can contain named and positional captures, |
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547 and <value>replacement</value> can reference them: |
cbc2d1b51cb6
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|
548 <example> |
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diff
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|
549 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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550 </example> |
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551 </para> |
cbc2d1b51cb6
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diff
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|
552 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
553 <para> |
cbc2d1b51cb6
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parents:
405
diff
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|
554 There could be several <literal>proxy_cookie_path</literal> directives: |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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555 <example> |
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diff
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|
556 proxy_cookie_path /one/ /; |
cbc2d1b51cb6
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405
diff
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|
557 proxy_cookie_path / /two/; |
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parents:
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diff
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|
558 </example> |
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559 </para> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
560 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
561 <para> |
cbc2d1b51cb6
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parents:
405
diff
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|
562 The <literal>off</literal> parameter cancels all |
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parents:
405
diff
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|
563 <literal>proxy_cookie_path</literal> directives on the current level: |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
564 <example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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405
diff
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|
565 proxy_cookie_path off; |
cbc2d1b51cb6
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parents:
405
diff
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|
566 proxy_cookie_path /two/ /; |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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567 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
568 </example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
569 </para> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
570 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
571 </directive> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
572 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
573 |
281
7142ddd2764c
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|
574 <directive name="proxy_hide_header"> |
7142ddd2764c
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parents:
diff
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|
575 <syntax><value>field</value></syntax> |
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576 <default/> |
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577 <context>http</context> |
7142ddd2764c
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|
578 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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|
579 <context>location</context> |
7142ddd2764c
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diff
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|
580 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
581 <para> |
7142ddd2764c
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parents:
diff
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|
582 By default, |
7142ddd2764c
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parents:
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|
583 nginx does not pass the header fields <header>Date</header>, |
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584 <header>Server</header>, <header>X-Pad</header>, and |
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585 <header>X-Accel-...</header> from the response of a proxied |
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586 server to a client. |
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587 The <literal>proxy_hide_header</literal> directive sets additional fields |
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588 that will not be passed. |
294 | 589 If, on the contrary, the passing of fields needs to be permitted, |
281
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590 the <link id="proxy_pass_header"/> directive can be used. |
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591 </para> |
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592 |
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593 </directive> |
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594 |
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595 |
316
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596 <directive name="proxy_http_version"> |
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597 <syntax><literal>1.0</literal> | <literal>1.1</literal></syntax> |
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598 <default>1.0</default> |
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599 <context>http</context> |
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600 <context>server</context> |
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601 <context>location</context> |
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602 <appeared-in>1.1.4</appeared-in> |
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603 |
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604 <para> |
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605 Sets the HTTP protocol version for proxying. |
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606 By default, version 1.0 is used. |
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607 Version 1.1 is recommended for use with |
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608 <link doc="ngx_http_upstream_module.xml" id="keepalive"/> |
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609 connections. |
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610 </para> |
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611 |
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612 </directive> |
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613 |
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614 |
281
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615 <directive name="proxy_ignore_client_abort"> |
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616 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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617 <default>off</default> |
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618 <context>http</context> |
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619 <context>server</context> |
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620 <context>location</context> |
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621 |
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622 <para> |
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623 Determines should the connection with a proxied server be |
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624 closed if a client closes a connection without waiting |
294 | 625 for a response. |
281
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626 </para> |
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627 |
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628 </directive> |
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629 |
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630 |
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631 <directive name="proxy_ignore_headers"> |
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632 <syntax><value>field</value> ...</syntax> |
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633 <default/> |
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634 <context>http</context> |
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635 <context>server</context> |
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636 <context>location</context> |
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637 |
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638 <para> |
294 | 639 Disables processing of certain response header fields from the proxied server. |
281
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640 The following fields can be ignored: <header>X-Accel-Redirect</header>, |
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641 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
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642 <header>X-Accel-Buffering</header> (1.1.6), |
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643 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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644 <header>Cache-Control</header>, and <header>Set-Cookie</header> (0.8.44). |
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645 </para> |
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646 |
506
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647 <para> |
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648 If not disabled, processing of these header fields has the following effect: |
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649 <list type="bullet" compact="no"> |
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650 |
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651 <listitem> |
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652 <header>X-Accel-Expires</header>, <header>Expires</header>, |
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653 <header>Cache-Control</header>, and <header>Set-Cookie</header> |
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654 set parameters of response <link id="proxy_cache_valid">caching</link>; |
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655 </listitem> |
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656 |
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657 <listitem> |
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658 <header>X-Accel-Redirect</header> performs an |
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659 <link doc="ngx_http_core_module.xml" id="internal">internal |
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660 redirect</link> to the specified URI; |
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661 </listitem> |
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662 |
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663 <listitem> |
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664 <header>X-Accel-Limit-Rate</header> sets a |
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665 <link doc="ngx_http_core_module.xml" id="limit_rate">rate |
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666 limit</link> for transmission of a response to a client; |
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667 </listitem> |
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668 |
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669 <listitem> |
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670 <header>X-Accel-Buffering</header> enables or disables |
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671 <link id="proxy_buffering">buffering</link> of a response; |
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672 </listitem> |
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673 |
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674 <listitem> |
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675 <header>X-Accel-Charset</header> sets the desired |
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676 <link doc="ngx_http_charset_module.xml" id="charset"/> |
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677 of a response. |
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678 </listitem> |
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679 |
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680 </list> |
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681 </para> |
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682 |
281
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683 </directive> |
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684 |
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685 |
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686 <directive name="proxy_intercept_errors"> |
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687 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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688 <default>off</default> |
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689 <context>http</context> |
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690 <context>server</context> |
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691 <context>location</context> |
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692 |
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693 <para> |
297 | 694 Determines whether proxied responses with codes greater than or equal |
695 to 400 should be passed to a client or be redirected to nginx for processing | |
281
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696 using the <link doc="ngx_http_core_module.xml" id="error_page"/> directive. |
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697 </para> |
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698 |
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699 </directive> |
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700 |
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701 |
405
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|
702 <directive name="proxy_max_temp_file_size"> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
diff
changeset
|
703 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
704 <default>1024m</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
705 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
706 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
707 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
708 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
709 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
710 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
|
711 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
|
712 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
|
713 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
|
714 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
|
715 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
|
716 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
|
717 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
718 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
719 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
720 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
|
721 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
722 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
723 </directive> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
724 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
725 |
281
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parents:
diff
changeset
|
726 <directive name="proxy_next_upstream"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
727 <syntax> |
364 | 728 <literal>error</literal> | |
729 <literal>timeout</literal> | | |
730 <literal>invalid_header</literal> | | |
731 <literal>http_500</literal> | | |
732 <literal>http_502</literal> | | |
733 <literal>http_503</literal> | | |
734 <literal>http_504</literal> | | |
735 <literal>http_404</literal> | | |
736 <literal>off</literal> | |
737 ...</syntax> | |
281
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parents:
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|
738 <default>error timeout</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
739 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
740 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
741 <context>location</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
742 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
743 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
744 Specifies in which cases a request should be passed to the next server: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
745 <list type="tag"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
746 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
747 <tag-name><literal>error</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
748 <tag-desc>an error occurred while establishing a connection with the |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
749 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
|
750 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
751 <tag-name><literal>timeout</literal></tag-name> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
752 <tag-desc>a timeout has occurred while establishing a connection with the |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
753 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
|
754 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
755 <tag-name><literal>invalid_header</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
756 <tag-desc>a server returned empty or invalid response;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
757 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
758 <tag-name><literal>http_500</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
759 <tag-desc>a server returned a response with the code 500;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
760 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
761 <tag-name><literal>http_502</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
762 <tag-desc>a server returned a response with the code 502;</tag-desc> |
7142ddd2764c
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parents:
diff
changeset
|
763 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
764 <tag-name><literal>http_503</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
765 <tag-desc>a server returned a response with the code 503;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
766 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
767 <tag-name><literal>http_504</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
768 <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
|
769 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
770 <tag-name><literal>http_404</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
771 <tag-desc>a server returned a response with the code 404;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
772 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
773 <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
|
774 <tag-desc>disables passing a request to the next server.</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
775 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
776 </list> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
777 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
778 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
779 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
780 It should be understood that passing a request to the next server is |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
781 only possible if a client was not sent anything yet. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
782 That is, if an error or a timeout occurs in the middle of |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
783 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
|
784 </para> |
7142ddd2764c
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parents:
diff
changeset
|
785 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
786 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
787 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
788 |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
789 <directive name="proxy_no_cache"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
790 <syntax><value>string</value> ...</syntax> |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
791 <default/> |
7142ddd2764c
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parents:
diff
changeset
|
792 <context>http</context> |
7142ddd2764c
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parents:
diff
changeset
|
793 <context>server</context> |
7142ddd2764c
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parents:
diff
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|
794 <context>location</context> |
7142ddd2764c
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diff
changeset
|
795 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
796 <para> |
294 | 797 Defines conditions under which the response will not be saved to a cache. |
281
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|
798 If at least one value of the string parameters is not empty and is not |
294 | 799 equal to “0” then the response will not be saved: |
281
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|
800 <example> |
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parents:
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changeset
|
801 proxy_no_cache $cookie_nocache $arg_nocache$arg_comment; |
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parents:
diff
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|
802 proxy_no_cache $http_pragma $http_authorization; |
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parents:
diff
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|
803 </example> |
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parents:
diff
changeset
|
804 Can be used along with the <link id="proxy_cache_bypass"/> directive. |
7142ddd2764c
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parents:
diff
changeset
|
805 </para> |
7142ddd2764c
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parents:
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changeset
|
806 |
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parents:
diff
changeset
|
807 </directive> |
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parents:
diff
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|
808 |
7142ddd2764c
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parents:
diff
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|
809 |
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|
810 <directive name="proxy_pass"> |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
811 <syntax><value>URL</value></syntax> |
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parents:
diff
changeset
|
812 <default/> |
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parents:
diff
changeset
|
813 <context>location</context> |
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parents:
diff
changeset
|
814 <context>if in location</context> |
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parents:
diff
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|
815 <context>limit_except</context> |
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changeset
|
816 |
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changeset
|
817 <para> |
535
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Revised description of "proxy_pass".
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508
diff
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|
818 Sets the protocol and address of a proxied server, and an optional URI |
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Revised description of "proxy_pass".
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508
diff
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|
819 to which a location should be mapped. |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
changeset
|
820 A protocol can be specified as |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
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|
821 “<literal>http</literal>” or “<literal>https</literal>”. |
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Revised description of "proxy_pass".
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508
diff
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|
822 An address can be specified as a domain name or IP address, |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
823 and an optional port: |
281
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|
824 <example> |
351
a4fa80755eab
Consistently strip initial offset in examples.
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|
825 proxy_pass http://localhost:8000/uri/; |
281
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|
826 </example> |
535
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diff
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|
827 or as a UNIX-domain socket path specified after the word |
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Revised description of "proxy_pass".
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diff
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|
828 “<literal>unix</literal>” and enclosed in colons: |
281
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|
829 <example> |
351
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|
830 proxy_pass http://unix:/tmp/backend.socket:/uri/; |
281
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|
831 </example> |
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Translated current version of ngx_http_proxy_module documentation into English.
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|
832 </para> |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
833 |
7142ddd2764c
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|
834 <para> |
294 | 835 If a domain name resolves to several addresses, all of them will be |
281
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diff
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|
836 used in a round-robin fashion. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
837 In addition, an address can be specified as a |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
838 <link doc="ngx_http_upstream_module.xml">server group</link>. |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
839 </para> |
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parents:
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changeset
|
840 |
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parents:
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|
841 <para> |
535
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|
842 A request URI is passed to the server as follows: |
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Revised description of "proxy_pass".
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843 <list type="bullet" compact="no"> |
281
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844 |
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|
845 <listitem> |
535
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|
846 If <literal>proxy_pass</literal> is specified with URI, |
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Revised description of "proxy_pass".
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|
847 when passing a request to the server, part of a |
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Revised description of "proxy_pass".
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848 <link doc="ngx_http_core_module.xml" id="location">normalized</link> |
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Revised description of "proxy_pass".
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|
849 request URI matching the location is replaced by a URI |
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Revised description of "proxy_pass".
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|
850 specified in the directive: |
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Revised description of "proxy_pass".
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parents:
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diff
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|
851 <example> |
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Revised description of "proxy_pass".
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diff
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|
852 location /name/ { |
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Revised description of "proxy_pass".
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|
853 proxy_pass http://127.0.0.1/remote/; |
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Revised description of "proxy_pass".
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|
854 } |
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|
855 </example> |
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|
856 </listitem> |
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parents:
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|
857 |
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|
858 <listitem> |
535
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diff
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|
859 If <literal>proxy_pass</literal> is specified without URI, |
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Revised description of "proxy_pass".
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parents:
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diff
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|
860 a request URI is passed to the server in the same form |
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Revised description of "proxy_pass".
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diff
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|
861 as sent by a client when processing an original request, |
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Revised description of "proxy_pass".
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diff
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|
862 or the full normalized request URI is passed |
f8652d663b62
Revised description of "proxy_pass".
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diff
changeset
|
863 when processing the changed URI: |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
864 <example> |
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Revised description of "proxy_pass".
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diff
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|
865 location /some/path/ { |
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Revised description of "proxy_pass".
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diff
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|
866 proxy_pass http://127.0.0.1; |
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Revised description of "proxy_pass".
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diff
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|
867 } |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
868 </example> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
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|
869 <note> |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
870 Before version 1.1.12, |
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Revised description of "proxy_pass".
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diff
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|
871 if <literal>proxy_pass</literal> is specified without a URI, |
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Revised description of "proxy_pass".
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diff
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|
872 an original request URI might be passed |
f8652d663b62
Revised description of "proxy_pass".
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diff
changeset
|
873 instead of the changed URI in some cases. |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
changeset
|
874 </note> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
875 </listitem> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
876 </list> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
877 </para> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
878 |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
879 <para> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
880 In some cases, part of a request URI to be replaced cannot be determined: |
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Revised description of "proxy_pass".
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parents:
508
diff
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|
881 <list type="bullet" compact="no"> |
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Revised description of "proxy_pass".
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|
882 |
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Revised description of "proxy_pass".
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parents:
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diff
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|
883 <listitem> |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
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diff
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|
884 When location is specified using a regular expression. |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
885 <para> |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
886 In this case, the directive should be specified without URI. |
f8652d663b62
Revised description of "proxy_pass".
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parents:
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diff
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|
887 </para> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
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diff
changeset
|
888 </listitem> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
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diff
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|
889 |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
890 <listitem> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
891 When URI is changed inside a proxied location using the |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
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|
892 <link doc="ngx_http_rewrite_module.xml" id="rewrite"/> directive, |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
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|
893 and this same configuration will be used to process a request |
f8652d663b62
Revised description of "proxy_pass".
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|
894 (<literal>break</literal>): |
281
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|
895 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
896 location /name/ { |
7142ddd2764c
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parents:
diff
changeset
|
897 rewrite /name/([^/]+) /users?name=$1 break; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
898 proxy_pass http://127.0.0.1; |
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diff
changeset
|
899 } |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
900 </example> |
535
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
901 <para> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
902 In this case, a URI specified in the directive is ignored and |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
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|
903 the full changed request URI is passed to the server. |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
904 </para> |
281
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|
905 </listitem> |
7142ddd2764c
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parents:
diff
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|
906 </list> |
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diff
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|
907 </para> |
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parents:
diff
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|
908 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
909 <para> |
535
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
910 A server name, its port and passed URI can also be specified using variables: |
281
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|
911 <example> |
351
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|
912 proxy_pass http://$host$uri; |
281
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|
913 </example> |
535
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
914 or even like this: |
281
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|
915 <example> |
351
a4fa80755eab
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|
916 proxy_pass $request; |
281
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|
917 </example> |
7142ddd2764c
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|
918 </para> |
7142ddd2764c
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parents:
diff
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|
919 |
7142ddd2764c
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parents:
diff
changeset
|
920 <para> |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
921 In this case the server name is searched among the described |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
922 <link doc="ngx_http_upstream_module.xml">server groups</link>, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
923 and if not found is determined using a |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
924 <link doc="ngx_http_core_module.xml" id="resolver"/>. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
925 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
926 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
927 </directive> |
7142ddd2764c
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parents:
diff
changeset
|
928 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
929 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
930 <directive name="proxy_pass_header"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
931 <syntax><value>field</value></syntax> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
932 <default/> |
7142ddd2764c
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parents:
diff
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|
933 <context>http</context> |
7142ddd2764c
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parents:
diff
changeset
|
934 <context>server</context> |
7142ddd2764c
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parents:
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|
935 <context>location</context> |
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parents:
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changeset
|
936 |
7142ddd2764c
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parents:
diff
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|
937 <para> |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
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changeset
|
938 Permits to pass <link id="proxy_hide_header">otherwise disabled</link> header |
7142ddd2764c
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parents:
diff
changeset
|
939 fields from a proxied server to a client. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
940 </para> |
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parents:
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|
941 |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
942 </directive> |
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parents:
diff
changeset
|
943 |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
944 |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
945 <directive name="proxy_read_timeout"> |
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946 <syntax><value>time</value></syntax> |
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947 <default>60s</default> |
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948 <context>http</context> |
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949 <context>server</context> |
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950 <context>location</context> |
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951 |
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952 <para> |
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953 Defines a timeout for reading a response from the proxied server. |
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954 A timeout is only set between two successive read operations, |
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955 not for the transmission of the whole response. |
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956 If a proxied server does not transmit anything within this time, |
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957 a connection is closed. |
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958 </para> |
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959 |
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960 </directive> |
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961 |
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962 |
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963 <directive name="proxy_redirect"> |
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964 <syntax><literal>default</literal></syntax> |
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965 <syntax><literal>off</literal></syntax> |
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966 <syntax><value>redirect</value> <value>replacement</value></syntax> |
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967 <default>default</default> |
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968 <context>http</context> |
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969 <context>server</context> |
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970 <context>location</context> |
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971 |
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972 <para> |
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973 Sets a text that should be changed in the header fields |
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974 <header>Location</header> and <header>Refresh</header> of a response |
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975 from the proxied server. |
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976 Suppose a proxied server returned the header field |
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977 “<literal>Location: http://localhost:8000/two/some/uri/</literal>”. |
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978 The directive |
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979 <example> |
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980 proxy_redirect http://localhost:8000/two/ http://frontend/one/; |
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981 </example> |
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982 will rewrite this string to |
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983 “<literal>Location: http://frontend/one/some/uri/</literal>”. |
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984 </para> |
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985 |
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986 <para> |
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987 A server name may be omitted from the <value>replacement</value> string: |
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988 <example> |
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989 proxy_redirect http://localhost:8000/two/ /; |
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990 </example> |
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991 then the primary server’s name and a port, if different from 80, |
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992 will be substituted. |
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993 </para> |
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994 |
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995 <para> |
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996 The default replacement specified by the <literal>default</literal> parameter |
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997 uses the parameters of the |
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998 <link doc="ngx_http_core_module.xml" id="location"/> and |
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999 <link id="proxy_pass"/> directives. |
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1000 Hence, the two configurations below are equivalent: |
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1001 <example> |
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1002 location /one/ { |
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1003 proxy_pass http://upstream:port/two/; |
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1004 proxy_redirect default; |
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1005 </example> |
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1006 |
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1007 <example> |
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1008 location /one/ { |
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1009 proxy_pass http://upstream:port/two/; |
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1010 proxy_redirect http://upstream:port/two/ /one/; |
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1011 </example> |
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1012 The <literal>default</literal> parameter is not permitted if |
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1013 <link id="proxy_pass"/> is specified using variables. |
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1014 </para> |
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1015 |
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1016 <para> |
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1017 A <value>replacement</value> string can contain variables: |
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1018 <example> |
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1019 proxy_redirect http://localhost:8000/ http://$host:$server_port/; |
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1020 </example> |
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1021 </para> |
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1022 |
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1023 <para> |
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1024 A <value>redirect</value> can also contain (1.1.11) variables: |
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1025 <example> |
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1026 proxy_redirect http://$proxy_host:8000/ /; |
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1027 </example> |
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1028 </para> |
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1029 |
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1030 <para> |
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1031 A directive can be specified (1.1.11) using regular expressions. |
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1032 In this case, <value>redirect</value> should either start from |
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1033 the “<literal>~</literal>” symbol for a case-sensitive matching, |
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1034 or from the “<literal>~*</literal>” symbols for case-insensitive |
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1035 matching. |
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1036 A regular expression can contain named and positional captures, |
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1037 and <value>replacement</value> can reference them: |
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1038 <example> |
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1039 proxy_redirect ~^(http://[^:]+):\d+(/.+)$ $1$2; |
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1040 proxy_redirect ~*/user/([^/]+)/(.+)$ http://$1.example.com/$2; |
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1041 </example> |
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1042 </para> |
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1043 |
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1044 <para> |
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1045 There could be several <literal>proxy_redirect</literal> directives: |
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1046 <example> |
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1047 proxy_redirect default; |
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1048 proxy_redirect http://localhost:8000/ /; |
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1049 proxy_redirect http://www.example.com/ /; |
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1050 </example> |
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1051 </para> |
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1052 |
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1053 <para> |
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1054 The <literal>off</literal> parameter cancels all |
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1055 <literal>proxy_redirect</literal> directives on the current level: |
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1056 <example> |
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1057 proxy_redirect off; |
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1058 proxy_redirect default; |
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1059 proxy_redirect http://localhost:8000/ /; |
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1060 proxy_redirect http://www.example.com/ /; |
281
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1061 </example> |
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1062 </para> |
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1063 |
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1064 <para> |
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|
1065 Using this directive it is also possible to add host names to relative |
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|
1066 redirects issued by a proxied server: |
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1067 <example> |
351
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1068 proxy_redirect / /; |
281
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1069 </example> |
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1070 </para> |
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1071 |
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1072 </directive> |
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1073 |
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1074 |
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|
1075 <directive name="proxy_send_timeout"> |
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1076 <syntax><value>time</value></syntax> |
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1077 <default>60s</default> |
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1078 <context>http</context> |
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1079 <context>server</context> |
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1080 <context>location</context> |
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1081 |
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1082 <para> |
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1083 Sets a timeout for transmitting a request to the proxied server. |
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1084 A timeout is only set between two successive write operations, |
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1085 not for the transmission of the whole request. |
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1086 If a proxied server does not receive anything within this time, |
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1087 a connection is closed. |
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1088 </para> |
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1089 |
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1090 </directive> |
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1091 |
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1092 |
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1093 <directive name="proxy_set_header"> |
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1094 <syntax><value>field</value> <value>value</value></syntax> |
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1095 <default>Host $proxy_host</default> |
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1096 <default>Connection close</default> |
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1097 <context>http</context> |
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1098 <context>server</context> |
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1099 <context>location</context> |
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1100 |
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1101 <para> |
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1102 Allows to redefine or append fields to the request header |
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1103 passed to the proxied server. |
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|
1104 A <value>value</value> can contain text, variables, and their combination. |
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1105 These directives are inherited from the previous level if and |
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1106 only if there are no |
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1107 <literal>proxy_set_header</literal> |
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1108 directives defined on the current level. |
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1109 By default, only two fields are redefined: |
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1110 <example> |
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1111 proxy_set_header Host $proxy_host; |
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1112 proxy_set_header Connection close; |
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1113 </example> |
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1114 </para> |
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1115 |
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1116 <para> |
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1117 An unchanged <header>Host</header> request header field can be passed like this: |
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1118 <example> |
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1119 proxy_set_header Host $http_host; |
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1120 </example> |
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1121 </para> |
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1122 |
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1123 <para> |
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1124 However, if this field is not present in a client request header then |
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1125 nothing will be passed. |
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1126 In such a case it is better to use the <var>$host</var> variable—its |
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1127 value equals the server name in the <header>Host</header> request header |
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|
1128 field, or the primary server name if this field is not present: |
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1129 <example> |
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1130 proxy_set_header Host $host; |
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1131 </example> |
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1132 </para> |
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|
1133 |
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|
1134 <para> |
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1135 In addition, a server name can be passed together with a port of the |
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|
1136 proxied server: |
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|
1137 <example> |
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|
1138 proxy_set_header Host $host:$proxy_port; |
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|
1139 </example> |
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1140 </para> |
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|
1141 |
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|
1142 <para> |
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1143 If the value of a header field is an empty string then this |
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|
1144 field will not be passed to a proxied server: |
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|
1145 <example> |
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|
1146 proxy_set_header Accept-Encoding ""; |
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|
1147 </example> |
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|
1148 </para> |
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|
1149 |
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|
1150 </directive> |
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|
1151 |
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|
1152 |
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|
1153 <directive name="proxy_ssl_session_reuse"> |
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1154 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
1155 <default>on</default> |
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|
1156 <context>http</context> |
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|
1157 <context>server</context> |
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1158 <context>location</context> |
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1159 |
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|
1160 <para> |
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|
1161 Determines whether SSL sessions can be reused when working with |
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|
1162 the proxied server. |
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|
1163 If the errors |
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|
1164 “<literal>SSL3_GET_FINISHED:digest check failed</literal>” |
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|
1165 appear in the logs, try to disable session reuse. |
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1166 </para> |
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1167 |
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|
1168 </directive> |
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|
1169 |
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|
1170 |
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|
1171 <directive name="proxy_store"> |
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1172 <syntax> |
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1173 <literal>on</literal> | |
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1174 <literal>off</literal> | |
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|
1175 <value>string</value></syntax> |
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|
1176 <default>off</default> |
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Ruslan Ermilov <ru@nginx.com>
parents:
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1177 <context>http</context> |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1178 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1179 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1180 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1181 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1182 Enables saving of files to a disk. |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1183 The <literal>on</literal> parameter saves files with paths |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1184 corresponding to the directives |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1185 <link doc="ngx_http_core_module.xml" id="alias"/> or |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1186 <link doc="ngx_http_core_module.xml" id="root"/>. |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1187 The <literal>off</literal> parameter disables saving of files. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1188 In addition, the file name can be set explicitly using the |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1189 <value>string</value> with variables: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1190 <example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1191 proxy_store /data/www$original_uri; |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1192 </example> |
7142ddd2764c
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parents:
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|
1193 </para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1194 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1195 <para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1196 The modification time of files is set according to the received |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1197 <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
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|
1198 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
|
1199 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
|
1200 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
|
1201 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
|
1202 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
|
1203 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
|
1204 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
|
1205 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1206 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1207 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1208 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
|
1209 files, e.g.: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1210 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1211 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1212 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1213 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
|
1214 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
|
1215 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1216 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1217 location /fetch/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1218 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1219 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1220 proxy_pass http://backend/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1221 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1222 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
|
1223 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
|
1224 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1225 alias /data/www/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1226 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1227 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1228 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1229 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1230 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1231 or like this: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1232 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1233 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1234 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1235 error_page 404 = @fetch; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1236 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1237 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1238 location @fetch { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1239 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1240 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1241 proxy_pass http://backend; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1242 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1243 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
|
1244 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
|
1245 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1246 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1247 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1248 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1249 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1250 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1251 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1252 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1253 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1254 <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
|
1255 <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
|
1256 <default>user:rw</default> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1257 <context>http</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1258 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1259 <context>location</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1260 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1261 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1262 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
|
1263 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1264 proxy_store_access user:rw group:rw all:r; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1265 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1266 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1267 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1268 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1269 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
|
1270 are specified then <literal>user</literal> permissions may be omitted: |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1271 <example> |
7142ddd2764c
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parents:
diff
changeset
|
1272 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
|
1273 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1274 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1275 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1276 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1277 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1278 |
405
781b23ba3b0a
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364
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|
1279 <directive name="proxy_temp_file_write_size"> |
781b23ba3b0a
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|
1280 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
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|
1281 <default>8k|16k</default> |
781b23ba3b0a
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364
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|
1282 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
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|
1283 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
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|
1284 <context>location</context> |
781b23ba3b0a
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364
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|
1285 |
781b23ba3b0a
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|
1286 <para> |
781b23ba3b0a
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364
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|
1287 Limits the <value>size</value> of data written to a temporary file |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
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|
1288 at a time, when buffering of responses from the proxied server |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
diff
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|
1289 to temporary files is enabled. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
diff
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|
1290 By default, <value>size</value> is limited by two buffers set by the |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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1291 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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1292 The maximum size of a temporary file is set by the |
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1293 <link id="proxy_max_temp_file_size"/> directive. |
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1294 </para> |
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1295 |
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1296 </directive> |
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1297 |
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1298 |
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1299 <directive name="proxy_temp_path"> |
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1300 <syntax> |
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1301 <value>path</value> |
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1302 [<value>level1</value> |
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1303 [<value>level2</value> |
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1304 [<value>level3</value>]]]</syntax> |
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1305 <default>proxy_temp</default> |
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1306 <context>http</context> |
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1307 <context>server</context> |
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1308 <context>location</context> |
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1309 |
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1310 <para> |
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1311 Defines a directory for storing temporary files |
405
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1312 with data received from proxied servers. |
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1313 Up to three-level subdirectory hierarchy can be used underneath the specified |
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1314 directory. |
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1315 For example, in the following configuration |
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1316 <example> |
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1317 proxy_temp_path /spool/nginx/proxy_temp 1 2; |
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1318 </example> |
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1319 a temporary file might look like this: |
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1320 <example> |
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1321 /spool/nginx/proxy_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
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1322 </example> |
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1323 </para> |
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1324 |
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1325 </directive> |
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1326 |
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1327 </section> |
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1328 |
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1329 |
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1330 <section id="variables" name="Embedded Variables"> |
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1331 |
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1332 <para> |
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1333 The <literal>ngx_http_proxy_module</literal> module supports embedded variables |
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1334 that can be used to compose headers using the |
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1335 <link id="proxy_set_header"/> directive: |
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1336 <list type="tag"> |
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1337 |
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1338 <tag-name><var>$proxy_host</var></tag-name> |
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1339 <tag-desc>name and port of a proxied server;</tag-desc> |
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1340 |
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1341 <tag-name><var>$proxy_port</var></tag-name> |
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1342 <tag-desc>port of a proxied server;</tag-desc> |
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1343 |
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1344 <tag-name><var>$proxy_add_x_forwarded_for</var></tag-name> |
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1345 <tag-desc>the <header>X-Forwarded-For</header> client request header field |
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1346 with the <var>$remote_addr</var> variable appended to it, separated by a comma. |
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1347 If the <header>X-Forwarded-For</header> field is not present in the client |
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1348 request header, the <var>$proxy_add_x_forwarded_for</var> variable is equal |
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1349 to the <var>$remote_addr</var> variable.</tag-desc> |
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1350 </list> |
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1351 </para> |
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1352 |
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1353 </section> |
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1354 |
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1355 </module> |