Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_proxy_module.xml @ 907:43887f41bb17
Corrected the descriptions of {proxy,fastcgi}_intercept_errors.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Mon, 13 May 2013 13:33:44 +0400 |
parents | 0ed4c093c026 |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
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10 <module name="Module ngx_http_proxy_module" |
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11 link="/en/docs/http/ngx_http_proxy_module.html" |
589 | 12 lang="en" |
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13 rev="10"> |
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14 |
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15 <section id="summary"> |
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16 |
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17 <para> |
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18 The <literal>ngx_http_proxy_module</literal> module allows to pass |
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19 requests to another server. |
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20 </para> |
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21 |
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22 </section> |
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23 |
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24 |
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25 <section id="example" name="Example Configuration"> |
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26 |
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27 <para> |
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28 <example> |
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29 location / { |
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30 proxy_pass http://localhost:8000; |
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31 proxy_set_header Host $host; |
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32 proxy_set_header X-Real-IP $remote_addr; |
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33 } |
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34 </example> |
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35 </para> |
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36 |
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37 </section> |
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38 |
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39 |
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40 <section id="directives" name="Directives"> |
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41 |
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42 <directive name="proxy_bind"> |
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43 <syntax><value>address</value> | <literal>off</literal></syntax> |
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44 <default/> |
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45 <context>http</context> |
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46 <context>server</context> |
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47 <context>location</context> |
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48 <appeared-in>0.8.22</appeared-in> |
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49 |
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50 <para> |
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51 Forces outgoing connections to a proxied server to originate |
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52 from the specified local IP <value>address</value>. |
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53 Value of the parameter can contain variables (1.3.12). |
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54 The special value <literal>off</literal> (1.3.12) cancels the effect |
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55 of the <literal>proxy_bind</literal> directive |
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56 inherited from the previous configuration level, allowing the |
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57 system to auto-assign local address. |
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58 </para> |
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59 |
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60 </directive> |
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61 |
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62 |
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63 <directive name="proxy_buffer_size"> |
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64 <syntax><value>size</value></syntax> |
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65 <default>4k|8k</default> |
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66 <context>http</context> |
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67 <context>server</context> |
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68 <context>location</context> |
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69 |
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70 <para> |
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71 Sets <value>size</value> of the buffer used for reading the first part |
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72 of a response received from the proxied server. |
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73 This part usually contains a small response header. |
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74 By default, the buffer size is equal to the size of one |
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75 buffer set by the <link id="proxy_buffers"/> directive. |
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76 It can be made smaller however. |
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77 </para> |
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78 |
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79 </directive> |
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80 |
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81 |
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82 <directive name="proxy_buffering"> |
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83 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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84 <default>on</default> |
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85 <context>http</context> |
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86 <context>server</context> |
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87 <context>location</context> |
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88 |
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89 <para> |
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90 Enables or disables buffering of responses from the proxied server. |
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91 </para> |
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92 |
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93 <para> |
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94 When buffering is enabled, nginx receives a response from the proxied server |
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95 as soon as possible, saving it into buffers set by the |
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96 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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97 If the whole response does not fit into memory, part of it can be saved |
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98 to a <link id="proxy_temp_path">temporary file</link> on disk. |
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99 Writes to temporary files are controlled by the |
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100 <link id="proxy_max_temp_file_size"/> and |
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101 <link id="proxy_temp_file_write_size"/> directives. |
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102 </para> |
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103 |
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104 <para> |
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105 When buffering is disabled, a response is passed to a client synchronously, |
362 | 106 immediately as it is received. |
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107 nginx will not try to read the whole response from the proxied server. |
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108 The maximum size of the data that nginx can receive from the server |
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109 at a time is set by the <link id="proxy_buffer_size"/> directive. |
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110 </para> |
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111 |
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112 <para> |
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113 Buffering can also be enabled or disabled by passing |
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114 “<literal>yes</literal>” or “<literal>no</literal>” in the |
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115 <header>X-Accel-Buffering</header> response header field. |
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116 This ability can be disabled using the |
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117 <link doc="ngx_http_proxy_module.xml" id="proxy_ignore_headers"/> directive. |
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118 </para> |
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119 |
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120 </directive> |
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121 |
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122 |
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123 <directive name="proxy_buffers"> |
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124 <syntax><value>number</value> <value>size</value></syntax> |
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125 <default>8 4k|8k</default> |
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126 <context>http</context> |
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127 <context>server</context> |
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128 <context>location</context> |
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129 |
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130 <para> |
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131 Sets the <value>number</value> and <value>size</value> of |
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132 buffers used for reading a response from the proxied server, |
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133 for a single connection. |
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134 By default, the buffer size is equal to one memory page. |
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135 This is either 4K or 8K, depending on a platform. |
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136 </para> |
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137 |
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138 </directive> |
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139 |
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140 |
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141 <directive name="proxy_busy_buffers_size"> |
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142 <syntax><value>size</value></syntax> |
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143 <default>8k|16k</default> |
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144 <context>http</context> |
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145 <context>server</context> |
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146 <context>location</context> |
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147 |
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148 <para> |
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149 When <link id="proxy_buffering">buffering</link> of responses from the proxied |
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150 server is enabled, limits the total <value>size</value> of buffers that |
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151 can be busy sending a response to the client while the response is not |
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152 yet fully read. |
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153 In the mean time, the rest of the buffers can be used for reading a response |
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154 and, if needed, buffering part of a response to a temporary file. |
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155 By default, <value>size</value> is limited by two buffers set by the |
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156 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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157 </para> |
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158 |
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159 </directive> |
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160 |
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161 |
281
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162 <directive name="proxy_cache"> |
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163 <syntax><value>zone</value> | <literal>off</literal></syntax> |
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164 <default>off</default> |
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165 <context>http</context> |
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166 <context>server</context> |
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167 <context>location</context> |
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168 |
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169 <para> |
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170 Defines a shared memory zone used for caching. |
281
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171 The same zone can be used in several places. |
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172 The <literal>off</literal> parameter disables caching inherited |
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173 from the previous configuration level. |
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174 </para> |
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175 |
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176 </directive> |
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177 |
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178 |
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179 <directive name="proxy_cache_bypass"> |
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180 <syntax><value>string</value> ...</syntax> |
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181 <default/> |
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182 <context>http</context> |
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183 <context>server</context> |
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184 <context>location</context> |
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185 |
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186 <para> |
294 | 187 Defines conditions under which the response will not be taken from a cache. |
281
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188 If at least one value of the string parameters is not empty and is not |
294 | 189 equal to “0” then the response will not be taken from the cache: |
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190 <example> |
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191 proxy_cache_bypass $cookie_nocache $arg_nocache$arg_comment; |
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192 proxy_cache_bypass $http_pragma $http_authorization; |
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193 </example> |
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194 Can be used along with the <link id="proxy_no_cache"/> directive. |
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195 </para> |
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196 |
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197 </directive> |
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198 |
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199 |
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200 <directive name="proxy_cache_key"> |
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201 <syntax><value>string</value></syntax> |
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202 <default>$scheme$proxy_host$request_uri</default> |
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203 <context>http</context> |
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204 <context>server</context> |
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205 <context>location</context> |
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206 |
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207 <para> |
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208 Defines a key for caching, for example |
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209 <example> |
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210 proxy_cache_key "$host$request_uri $cookie_user"; |
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211 </example> |
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212 By default, the directive’s value is close to the string |
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213 <example> |
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214 proxy_cache_key $scheme$proxy_host$uri$is_args$args; |
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215 </example> |
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216 </para> |
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217 |
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218 </directive> |
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219 |
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220 |
302
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221 <directive name="proxy_cache_lock"> |
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222 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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223 <default>off</default> |
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224 <context>http</context> |
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225 <context>server</context> |
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226 <context>location</context> |
310
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227 <appeared-in>1.1.12</appeared-in> |
302
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228 |
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229 <para> |
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230 When enabled, only one request at a time will be allowed to populate |
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231 a new cache element identified according to the <link id="proxy_cache_key"/> |
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232 directive by passing a request to a proxied server. |
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233 Other requests of the same cache element will either wait |
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234 for a response to appear in the cache, or the cache lock for |
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235 this element to be released, up to the time set by the |
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236 <link id="proxy_cache_lock_timeout"/> directive. |
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237 </para> |
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238 |
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239 </directive> |
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240 |
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241 |
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242 <directive name="proxy_cache_lock_timeout"> |
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243 <syntax><value>time</value></syntax> |
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244 <default>5s</default> |
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245 <context>http</context> |
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246 <context>server</context> |
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247 <context>location</context> |
310
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248 <appeared-in>1.1.12</appeared-in> |
302
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249 |
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250 <para> |
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251 Sets a timeout for <link id="proxy_cache_lock"/>. |
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252 </para> |
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253 |
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254 </directive> |
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255 |
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256 |
790
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257 <directive name="proxy_cache_methods"> |
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258 <syntax> |
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259 <literal>GET</literal> | |
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260 <literal>HEAD</literal> | |
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261 <literal>POST</literal> |
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262 ...</syntax> |
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263 <default>GET HEAD</default> |
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264 <context>http</context> |
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265 <context>server</context> |
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266 <context>location</context> |
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267 <appeared-in>0.7.59</appeared-in> |
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268 |
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269 <para> |
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270 If the client request method is listed in this directive then |
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271 the response will be cached. |
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272 “<literal>GET</literal>” and “<literal>HEAD</literal>” methods are always |
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273 added to the list, though it is recommended to specify them explicitly. |
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274 See also the <link id="proxy_no_cache"/> directive. |
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275 </para> |
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276 |
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277 </directive> |
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278 |
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279 |
281
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280 <directive name="proxy_cache_min_uses"> |
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281 <syntax><value>number</value></syntax> |
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282 <default>1</default> |
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283 <context>http</context> |
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284 <context>server</context> |
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285 <context>location</context> |
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286 |
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287 <para> |
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288 Sets the <value>number</value> of requests after which the response |
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289 will be cached. |
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290 </para> |
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291 |
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292 </directive> |
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293 |
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294 |
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295 <directive name="proxy_cache_path"> |
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296 <syntax> |
364 | 297 <value>path</value> |
298 [<literal>levels</literal>=<value>levels</value>] | |
299 <literal>keys_zone</literal>=<value>name</value>:<value>size</value> | |
300 [<literal>inactive</literal>=<value>time</value>] | |
508
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301 [<literal>max_size</literal>=<value>size</value>] |
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302 [<literal>loader_files</literal>=<value>number</value>] |
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303 [<literal>loader_sleep</literal>=<value>time</value>] |
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304 [<literal>loader_threshold</literal>=<value>time</value>]</syntax> |
281
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305 <default/> |
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306 <context>http</context> |
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307 |
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308 <para> |
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309 Sets path and other parameters of a cache. |
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310 Cache data are stored in files. |
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311 Both the key and file name in a cache are a result of |
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312 applying the MD5 function to the proxied URL. |
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313 |
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314 The <literal>levels</literal> parameter defines hierarchy levels of a cache. |
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315 For example, in the following configuration |
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316 <example> |
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317 proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; |
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318 </example> |
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319 file names in a cache will look like this: |
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320 <example> |
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321 /data/nginx/cache/<emphasis>c</emphasis>/<emphasis>29</emphasis>/b7f54b2df7773722d382f4809d650<emphasis>29c</emphasis> |
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322 </example> |
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323 </para> |
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324 |
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325 <para> |
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326 A cached response is first written to a temporary file, then a file is renamed. |
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327 Starting from version 0.8.9 temporary files and the cache can be put on |
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328 different file systems but be aware that in this case a file is copied |
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329 across two file systems instead of the cheap rename operation. |
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330 It is thus recommended that for any given location both cache and a directory |
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331 holding temporary files set by the <link id="proxy_temp_path"/> directive |
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332 are put on the same file system. |
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333 </para> |
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334 |
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335 <para> |
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336 In addition, all active keys and information about data are stored |
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337 in a shared memory zone, whose <value>name</value> and <value>size</value> |
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338 are configured by the <literal>keys_zone</literal> parameter. |
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339 Cached data that are not accessed during the time specified by the |
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340 <literal>inactive</literal> parameter get removed from the cache |
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341 regardless of their freshness. |
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342 By default, <literal>inactive</literal> is set to 10 minutes. |
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343 </para> |
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344 |
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345 <para> |
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346 The special process “cache manager” monitors the maximum cache size set |
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347 by the <literal>max_size</literal> parameter; |
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348 when this size is exceeded it removes the least recently used data. |
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349 </para> |
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350 |
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351 <para> |
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352 A minute after the start the special process “cache loader” is activated |
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353 that loads information about previously cached data stored on file system |
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354 into a cache zone. |
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355 A load is done in iterations. |
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356 During one iteration no more than <literal>loader_files</literal> items |
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357 are loaded (by default, 100). |
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358 Besides, the duration of one iteration is limited by the |
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359 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). |
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360 A pause is made between iterations, configured by the |
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361 <literal>loader_sleep</literal> parameter (by default, 50 milliseconds). |
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362 </para> |
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363 |
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364 </directive> |
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365 |
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366 |
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367 <directive name="proxy_cache_use_stale"> |
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368 <syntax> |
364 | 369 <literal>error</literal> | |
370 <literal>timeout</literal> | | |
371 <literal>invalid_header</literal> | | |
372 <literal>updating</literal> | | |
373 <literal>http_500</literal> | | |
374 <literal>http_502</literal> | | |
375 <literal>http_503</literal> | | |
376 <literal>http_504</literal> | | |
377 <literal>http_404</literal> | | |
378 <literal>off</literal> | |
379 ...</syntax> | |
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380 <default>off</default> |
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381 <context>http</context> |
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382 <context>server</context> |
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383 <context>location</context> |
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384 |
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385 <para> |
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386 If an error occurs while working with the proxied server it is possible |
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387 to use a stale cached response. |
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388 This directives determines in which cases it is permitted. |
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389 The directive’s parameters match those of the |
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390 <link id="proxy_next_upstream"/> directive. |
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391 </para> |
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392 |
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393 <para> |
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394 Additionally, the <literal>updating</literal> parameter permits |
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395 to use a stale cached response if it is currently being updated. |
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396 This allows to minimize the number of accesses to proxied servers |
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397 when updating cached data. |
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398 </para> |
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399 |
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400 <para> |
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401 To minimize the number of accesses to proxied servers when |
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402 populating a new cache element, the <link id="proxy_cache_lock"/> |
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403 directive can be used. |
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404 </para> |
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405 |
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406 </directive> |
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407 |
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408 |
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409 <directive name="proxy_cache_valid"> |
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410 <syntax>[<value>code</value> ...] <value>time</value></syntax> |
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411 <default/> |
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412 <context>http</context> |
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413 <context>server</context> |
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414 <context>location</context> |
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415 |
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416 <para> |
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417 Sets caching time for different response codes. |
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418 For example, the following directives |
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419 <example> |
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420 proxy_cache_valid 200 302 10m; |
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421 proxy_cache_valid 404 1m; |
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422 </example> |
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423 set 10 minutes of caching for responses with codes 200 and 302, |
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424 and 1 minute for responses with code 404. |
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425 </para> |
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426 |
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427 <para> |
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428 If only caching <value>time</value> is specified |
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429 <example> |
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430 proxy_cache_valid 5m; |
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431 </example> |
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432 then only 200, 301, and 302 responses are cached. |
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433 </para> |
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434 |
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435 <para> |
294 | 436 In addition, it can be specified to cache any responses using the |
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437 <literal>any</literal> parameter: |
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438 <example> |
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439 proxy_cache_valid 200 302 10m; |
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440 proxy_cache_valid 301 1h; |
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441 proxy_cache_valid any 1m; |
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442 </example> |
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443 </para> |
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444 |
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445 <para> |
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446 Parameters of caching can also be set directly |
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447 in the response header. |
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448 This has a higher precedence than setting of caching time using the directive. |
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449 The <header>X-Accel-Expires</header> header field sets caching time of a |
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450 response in seconds. |
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451 The value 0 disables to cache a response. |
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452 If a value starts with the prefix <literal>@</literal>, it sets an absolute |
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453 time in seconds since Epoch, up to which the response may be cached. |
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454 If header does not include the <header>X-Accel-Expires</header> field, |
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455 parameters of caching may be set in the header fields |
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456 <header>Expires</header> or <header>Cache-Control</header>. |
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457 If a header includes the <header>Set-Cookie</header> field, such a |
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458 response will not be cached. |
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459 Processing of one or more of these response header fields can be disabled |
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460 using the <link id="proxy_ignore_headers"/> directive. |
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461 </para> |
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462 |
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463 </directive> |
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464 |
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465 |
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466 <directive name="proxy_connect_timeout"> |
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467 <syntax><value>time</value></syntax> |
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468 <default>60s</default> |
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469 <context>http</context> |
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470 <context>server</context> |
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471 <context>location</context> |
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472 |
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473 <para> |
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474 Defines a timeout for establishing a connection with the proxied server. |
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475 It should be noted that this timeout cannot usually exceed 75 seconds. |
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476 </para> |
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477 |
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478 </directive> |
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479 |
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480 |
417
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481 <directive name="proxy_cookie_domain"> |
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482 <syntax><literal>off</literal></syntax> |
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483 <syntax><value>domain</value> <value>replacement</value></syntax> |
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484 <default>off</default> |
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485 <context>http</context> |
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486 <context>server</context> |
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487 <context>location</context> |
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488 <appeared-in>1.1.15</appeared-in> |
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489 |
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490 <para> |
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491 Sets a text that should be changed in the <literal>domain</literal> |
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492 attribute of the <header>Set-Cookie</header> header fields of a |
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493 proxied server response. |
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494 Suppose a proxied server returned the header field |
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495 <header>Set-Cookie</header> with the attribute |
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496 “<literal>domain=localhost</literal>”. |
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497 The directive |
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498 <example> |
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499 proxy_cookie_domain localhost example.org; |
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500 </example> |
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501 will rewrite this attribute to |
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502 “<literal>domain=example.org</literal>”. |
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503 </para> |
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504 |
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505 <para> |
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506 A dot at the beginning of the <value>domain</value> and |
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507 <value>replacement</value> strings, and the <literal>domain</literal> |
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508 attribute is ignored. |
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509 Matching is case-insensitive. |
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510 </para> |
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511 |
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512 <para> |
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513 The strings <value>domain</value> and <value>replacement</value> |
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514 can contain variables: |
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515 <example> |
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516 proxy_cookie_domain www.$host $host; |
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517 </example> |
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518 </para> |
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519 |
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520 <para> |
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521 A directive can also be specified using regular expressions. |
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522 In this case, <value>domain</value> should start from |
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523 the “<literal>~</literal>” symbol. |
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524 A regular expression can contain named and positional captures, |
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525 and <value>replacement</value> can reference them: |
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526 <example> |
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527 proxy_cookie_domain ~\.(?P<sl_domain>[-0-9a-z]+\.[a-z]+)$ $sl_domain; |
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528 </example> |
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529 </para> |
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530 |
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531 <para> |
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532 There could be several <literal>proxy_cookie_domain</literal> directives: |
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533 <example> |
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534 proxy_cookie_domain localhost example.org; |
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535 proxy_cookie_domain ~\.([a-z]+\.[a-z]+)$ $1; |
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536 </example> |
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537 </para> |
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538 |
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539 <para> |
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540 The <literal>off</literal> parameter cancels all |
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541 <literal>proxy_cookie_domain</literal> directives on the current level: |
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542 <example> |
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543 proxy_cookie_domain off; |
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544 proxy_cookie_domain localhost example.org; |
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|
545 proxy_cookie_domain www.example.org example.org; |
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546 </example> |
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547 </para> |
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548 |
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549 </directive> |
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diff
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|
550 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
551 |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
552 <directive name="proxy_cookie_path"> |
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diff
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|
553 <syntax><literal>off</literal></syntax> |
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|
554 <syntax><value>path</value> <value>replacement</value></syntax> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
555 <default>off</default> |
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diff
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556 <context>http</context> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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557 <context>server</context> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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405
diff
changeset
|
558 <context>location</context> |
cbc2d1b51cb6
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parents:
405
diff
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559 <appeared-in>1.1.15</appeared-in> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
560 |
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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
changeset
|
562 Sets a text that should be changed in the <literal>path</literal> |
cbc2d1b51cb6
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parents:
405
diff
changeset
|
563 attribute of the <header>Set-Cookie</header> header fields of a |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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405
diff
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|
564 proxied server response. |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
565 Suppose a proxied server returned the header field |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
566 <header>Set-Cookie</header> with the attribute |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
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567 “<literal>path=/two/some/uri/</literal>”. |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
changeset
|
568 The directive |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
569 <example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
570 proxy_cookie_path /two/ /; |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
571 </example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
572 will rewrite this attribute to |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
573 “<literal>path=/some/uri/</literal>”. |
cbc2d1b51cb6
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parents:
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diff
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|
574 </para> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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575 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
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diff
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|
576 <para> |
cbc2d1b51cb6
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parents:
405
diff
changeset
|
577 The strings <value>path</value> and <value>replacement</value> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
578 can contain variables: |
cbc2d1b51cb6
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Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
579 <example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
580 proxy_cookie_path $uri /some$uri; |
cbc2d1b51cb6
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parents:
405
diff
changeset
|
581 </example> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
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|
582 </para> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
changeset
|
583 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
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|
584 <para> |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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parents:
405
diff
changeset
|
585 A directive can also be specified using regular expressions. |
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586 In this case, <value>path</value> should either start from |
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587 the “<literal>~</literal>” symbol for a case-sensitive matching, |
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588 or from the “<literal>~*</literal>” symbols for case-insensitive |
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589 matching. |
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590 A regular expression can contain named and positional captures, |
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591 and <value>replacement</value> can reference them: |
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592 <example> |
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593 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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594 </example> |
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595 </para> |
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596 |
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597 <para> |
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598 There could be several <literal>proxy_cookie_path</literal> directives: |
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599 <example> |
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600 proxy_cookie_path /one/ /; |
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601 proxy_cookie_path / /two/; |
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602 </example> |
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603 </para> |
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604 |
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605 <para> |
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606 The <literal>off</literal> parameter cancels all |
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607 <literal>proxy_cookie_path</literal> directives on the current level: |
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|
608 <example> |
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609 proxy_cookie_path off; |
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|
610 proxy_cookie_path /two/ /; |
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611 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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612 </example> |
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613 </para> |
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614 |
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615 </directive> |
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616 |
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617 |
799
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618 <directive name="proxy_headers_hash_bucket_size"> |
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619 <syntax><value>size</value></syntax> |
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620 <default>64</default> |
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621 <context>http</context> |
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622 <context>server</context> |
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623 <context>location</context> |
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624 |
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625 <para> |
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626 Sets the bucket <value>size</value> for hash tables |
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627 used by the <link id="proxy_hide_header"/> and <link id="proxy_set_header"/> |
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628 directives. |
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|
629 Details of setting up hash tables are provided in a separate |
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630 <link doc="../hash.xml">document</link>. |
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631 </para> |
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632 |
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633 </directive> |
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634 |
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|
635 |
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636 <directive name="proxy_headers_hash_max_size"> |
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|
637 <syntax><value>size</value></syntax> |
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638 <default>512</default> |
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639 <context>http</context> |
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|
640 <context>server</context> |
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641 <context>location</context> |
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parents:
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642 |
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643 <para> |
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644 Sets the maximum <value>size</value> of hash tables |
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diff
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|
645 used by the <link id="proxy_hide_header"/> and <link id="proxy_set_header"/> |
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|
646 directives. |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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|
647 Details of setting up hash tables are provided in a separate |
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648 <link doc="../hash.xml">document</link>. |
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Documented the "proxy_headers_hash_bucket/max_size" directives.
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649 </para> |
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diff
changeset
|
650 |
9e5847af3b2d
Documented the "proxy_headers_hash_bucket/max_size" directives.
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|
651 </directive> |
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parents:
790
diff
changeset
|
652 |
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|
653 |
281
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654 <directive name="proxy_hide_header"> |
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655 <syntax><value>field</value></syntax> |
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656 <default/> |
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657 <context>http</context> |
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658 <context>server</context> |
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659 <context>location</context> |
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660 |
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|
661 <para> |
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662 By default, |
7142ddd2764c
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|
663 nginx does not pass the header fields <header>Date</header>, |
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|
664 <header>Server</header>, <header>X-Pad</header>, and |
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665 <header>X-Accel-...</header> from the response of a proxied |
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|
666 server to a client. |
7142ddd2764c
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|
667 The <literal>proxy_hide_header</literal> directive sets additional fields |
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Ruslan Ermilov <ru@nginx.com>
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668 that will not be passed. |
294 | 669 If, on the contrary, the passing of fields needs to be permitted, |
281
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|
670 the <link id="proxy_pass_header"/> directive can be used. |
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671 </para> |
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672 |
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673 </directive> |
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|
674 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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|
675 |
316
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676 <directive name="proxy_http_version"> |
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677 <syntax><literal>1.0</literal> | <literal>1.1</literal></syntax> |
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678 <default>1.0</default> |
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|
679 <context>http</context> |
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680 <context>server</context> |
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681 <context>location</context> |
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682 <appeared-in>1.1.4</appeared-in> |
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683 |
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684 <para> |
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685 Sets the HTTP protocol version for proxying. |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
686 By default, version 1.0 is used. |
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|
687 Version 1.1 is recommended for use with |
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688 <link doc="ngx_http_upstream_module.xml" id="keepalive"/> |
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689 connections. |
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690 </para> |
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691 |
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692 </directive> |
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693 |
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|
694 |
281
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|
695 <directive name="proxy_ignore_client_abort"> |
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|
696 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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697 <default>off</default> |
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698 <context>http</context> |
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699 <context>server</context> |
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|
700 <context>location</context> |
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|
701 |
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|
702 <para> |
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|
703 Determines should the connection with a proxied server be |
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|
704 closed if a client closes a connection without waiting |
294 | 705 for a response. |
281
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706 </para> |
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|
707 |
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|
708 </directive> |
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|
709 |
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|
710 |
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|
711 <directive name="proxy_ignore_headers"> |
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|
712 <syntax><value>field</value> ...</syntax> |
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713 <default/> |
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714 <context>http</context> |
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|
715 <context>server</context> |
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|
716 <context>location</context> |
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|
717 |
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|
718 <para> |
294 | 719 Disables processing of certain response header fields from the proxied server. |
281
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|
720 The following fields can be ignored: <header>X-Accel-Redirect</header>, |
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|
721 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
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|
722 <header>X-Accel-Buffering</header> (1.1.6), |
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diff
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|
723 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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|
724 <header>Cache-Control</header>, and <header>Set-Cookie</header> (0.8.44). |
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|
725 </para> |
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|
726 |
506
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|
727 <para> |
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|
728 If not disabled, processing of these header fields has the following effect: |
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|
729 <list type="bullet" compact="no"> |
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diff
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|
730 |
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|
731 <listitem> |
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|
732 <header>X-Accel-Expires</header>, <header>Expires</header>, |
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diff
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|
733 <header>Cache-Control</header>, and <header>Set-Cookie</header> |
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diff
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|
734 set parameters of response <link id="proxy_cache_valid">caching</link>; |
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diff
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|
735 </listitem> |
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diff
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|
736 |
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diff
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|
737 <listitem> |
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diff
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|
738 <header>X-Accel-Redirect</header> performs an |
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diff
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|
739 <link doc="ngx_http_core_module.xml" id="internal">internal |
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diff
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|
740 redirect</link> to the specified URI; |
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diff
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|
741 </listitem> |
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diff
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|
742 |
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|
743 <listitem> |
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diff
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|
744 <header>X-Accel-Limit-Rate</header> sets a |
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parents:
504
diff
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|
745 <link doc="ngx_http_core_module.xml" id="limit_rate">rate |
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504
diff
changeset
|
746 limit</link> for transmission of a response to a client; |
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504
diff
changeset
|
747 </listitem> |
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diff
changeset
|
748 |
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diff
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|
749 <listitem> |
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diff
changeset
|
750 <header>X-Accel-Buffering</header> enables or disables |
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parents:
504
diff
changeset
|
751 <link id="proxy_buffering">buffering</link> of a response; |
657848837328
Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
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504
diff
changeset
|
752 </listitem> |
657848837328
Documented how nginx processes proxied server's response header fields
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parents:
504
diff
changeset
|
753 |
657848837328
Documented how nginx processes proxied server's response header fields
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504
diff
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|
754 <listitem> |
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diff
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|
755 <header>X-Accel-Charset</header> sets the desired |
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parents:
504
diff
changeset
|
756 <link doc="ngx_http_charset_module.xml" id="charset"/> |
657848837328
Documented how nginx processes proxied server's response header fields
Ruslan Ermilov <ru@nginx.com>
parents:
504
diff
changeset
|
757 of a response. |
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parents:
504
diff
changeset
|
758 </listitem> |
657848837328
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parents:
504
diff
changeset
|
759 |
657848837328
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504
diff
changeset
|
760 </list> |
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parents:
504
diff
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|
761 </para> |
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diff
changeset
|
762 |
281
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parents:
diff
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|
763 </directive> |
7142ddd2764c
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parents:
diff
changeset
|
764 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
765 |
7142ddd2764c
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parents:
diff
changeset
|
766 <directive name="proxy_intercept_errors"> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
767 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
768 <default>off</default> |
7142ddd2764c
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parents:
diff
changeset
|
769 <context>http</context> |
7142ddd2764c
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parents:
diff
changeset
|
770 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
771 <context>location</context> |
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 <para> |
297 | 774 Determines whether proxied responses with codes greater than or equal |
907
43887f41bb17
Corrected the descriptions of {proxy,fastcgi}_intercept_errors.
Ruslan Ermilov <ru@nginx.com>
parents:
849
diff
changeset
|
775 to 300 should be passed to a client or be redirected to nginx for processing |
281
7142ddd2764c
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parents:
diff
changeset
|
776 using the <link doc="ngx_http_core_module.xml" id="error_page"/> directive. |
7142ddd2764c
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parents:
diff
changeset
|
777 </para> |
7142ddd2764c
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parents:
diff
changeset
|
778 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
779 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
780 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
781 |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
782 <directive name="proxy_max_temp_file_size"> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
783 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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parents:
364
diff
changeset
|
784 <default>1024m</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
785 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
786 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
787 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
788 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
789 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
790 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
|
791 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
|
792 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
|
793 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
|
794 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
|
795 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
|
796 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
|
797 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
798 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
799 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
800 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
|
801 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
802 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
803 </directive> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
804 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
805 |
787
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
806 <directive name="proxy_method"> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
807 <syntax><value>method</value></syntax> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
808 <default/> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
809 <context>http</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
810 <context>server</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
811 <context>location</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
812 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
813 <para> |
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diff
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|
814 Specifies the HTTP <value>method</value> to use in requests forwarded |
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diff
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|
815 to the proxied server instead of the method from the client request. |
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Documented "proxy_set_body" and "proxy_method" directives.
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diff
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|
816 </para> |
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773
diff
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|
817 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
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773
diff
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|
818 </directive> |
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773
diff
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|
819 |
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diff
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|
820 |
281
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|
821 <directive name="proxy_next_upstream"> |
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|
822 <syntax> |
364 | 823 <literal>error</literal> | |
824 <literal>timeout</literal> | | |
825 <literal>invalid_header</literal> | | |
826 <literal>http_500</literal> | | |
827 <literal>http_502</literal> | | |
828 <literal>http_503</literal> | | |
829 <literal>http_504</literal> | | |
830 <literal>http_404</literal> | | |
831 <literal>off</literal> | |
832 ...</syntax> | |
281
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|
833 <default>error timeout</default> |
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|
834 <context>http</context> |
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parents:
diff
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|
835 <context>server</context> |
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diff
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|
836 <context>location</context> |
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|
837 |
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|
838 <para> |
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|
839 Specifies in which cases a request should be passed to the next server: |
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|
840 <list type="tag"> |
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parents:
diff
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|
841 |
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|
842 <tag-name><literal>error</literal></tag-name> |
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|
843 <tag-desc>an error occurred while establishing a connection with the |
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|
844 server, passing it a request, or reading the response header;</tag-desc> |
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|
845 |
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|
846 <tag-name><literal>timeout</literal></tag-name> |
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|
847 <tag-desc>a timeout has occurred while establishing a connection with the |
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|
848 server, passing it a request, or reading the response header;</tag-desc> |
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|
849 |
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|
850 <tag-name><literal>invalid_header</literal></tag-name> |
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|
851 <tag-desc>a server returned empty or invalid response;</tag-desc> |
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|
852 |
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|
853 <tag-name><literal>http_500</literal></tag-name> |
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854 <tag-desc>a server returned a response with the code 500;</tag-desc> |
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|
855 |
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|
856 <tag-name><literal>http_502</literal></tag-name> |
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|
857 <tag-desc>a server returned a response with the code 502;</tag-desc> |
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858 |
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|
859 <tag-name><literal>http_503</literal></tag-name> |
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860 <tag-desc>a server returned a response with the code 503;</tag-desc> |
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|
861 |
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|
862 <tag-name><literal>http_504</literal></tag-name> |
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863 <tag-desc>a server returned a response with the code 504;</tag-desc> |
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|
864 |
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|
865 <tag-name><literal>http_404</literal></tag-name> |
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866 <tag-desc>a server returned a response with the code 404;</tag-desc> |
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|
867 |
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|
868 <tag-name><literal>off</literal></tag-name> |
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869 <tag-desc>disables passing a request to the next server.</tag-desc> |
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|
870 |
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|
871 </list> |
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|
872 </para> |
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|
873 |
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|
874 <para> |
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875 It should be understood that passing a request to the next server is |
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|
876 only possible if a client was not sent anything yet. |
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|
877 That is, if an error or a timeout occurs in the middle of |
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|
878 transferring a response, fixing this is impossible. |
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|
879 </para> |
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|
880 |
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881 </directive> |
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|
882 |
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|
883 |
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|
884 <directive name="proxy_no_cache"> |
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|
885 <syntax><value>string</value> ...</syntax> |
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|
886 <default/> |
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|
887 <context>http</context> |
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|
888 <context>server</context> |
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|
889 <context>location</context> |
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|
890 |
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|
891 <para> |
294 | 892 Defines conditions under which the response will not be saved to a cache. |
281
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893 If at least one value of the string parameters is not empty and is not |
294 | 894 equal to “0” then the response will not be saved: |
281
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|
895 <example> |
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|
896 proxy_no_cache $cookie_nocache $arg_nocache$arg_comment; |
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|
897 proxy_no_cache $http_pragma $http_authorization; |
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|
898 </example> |
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|
899 Can be used along with the <link id="proxy_cache_bypass"/> directive. |
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|
900 </para> |
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|
901 |
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|
902 </directive> |
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|
903 |
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|
904 |
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|
905 <directive name="proxy_pass"> |
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|
906 <syntax><value>URL</value></syntax> |
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907 <default/> |
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908 <context>location</context> |
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|
909 <context>if in location</context> |
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|
910 <context>limit_except</context> |
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|
911 |
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|
912 <para> |
535
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913 Sets the protocol and address of a proxied server, and an optional URI |
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914 to which a location should be mapped. |
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Revised description of "proxy_pass".
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|
915 A protocol can be specified as |
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916 “<literal>http</literal>” or “<literal>https</literal>”. |
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|
917 An address can be specified as a domain name or IP address, |
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918 and an optional port: |
281
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919 <example> |
351
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920 proxy_pass http://localhost:8000/uri/; |
281
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921 </example> |
535
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922 or as a UNIX-domain socket path specified after the word |
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923 “<literal>unix</literal>” and enclosed in colons: |
281
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924 <example> |
351
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925 proxy_pass http://unix:/tmp/backend.socket:/uri/; |
281
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926 </example> |
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927 </para> |
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928 |
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929 <para> |
294 | 930 If a domain name resolves to several addresses, all of them will be |
281
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931 used in a round-robin fashion. |
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932 In addition, an address can be specified as a |
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933 <link doc="ngx_http_upstream_module.xml">server group</link>. |
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934 </para> |
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|
935 |
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936 <para> |
535
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937 A request URI is passed to the server as follows: |
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|
938 <list type="bullet" compact="no"> |
281
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|
939 |
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diff
changeset
|
940 <listitem> |
535
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diff
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|
941 If <literal>proxy_pass</literal> is specified with URI, |
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Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
942 when passing a request to the server, part of a |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
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diff
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|
943 <link doc="ngx_http_core_module.xml" id="location">normalized</link> |
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Revised description of "proxy_pass".
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diff
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|
944 request URI matching the location is replaced by a URI |
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Revised description of "proxy_pass".
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diff
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|
945 specified in the directive: |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
946 <example> |
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diff
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|
947 location /name/ { |
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Revised description of "proxy_pass".
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diff
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|
948 proxy_pass http://127.0.0.1/remote/; |
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Revised description of "proxy_pass".
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|
949 } |
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Revised description of "proxy_pass".
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|
950 </example> |
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|
951 </listitem> |
7142ddd2764c
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|
952 |
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changeset
|
953 <listitem> |
535
f8652d663b62
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diff
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|
954 If <literal>proxy_pass</literal> is specified without URI, |
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Revised description of "proxy_pass".
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diff
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|
955 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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|
956 as sent by a client when processing an original request, |
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Revised description of "proxy_pass".
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|
957 or the full normalized request URI is passed |
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Revised description of "proxy_pass".
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diff
changeset
|
958 when processing the changed URI: |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
959 <example> |
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Revised description of "proxy_pass".
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diff
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|
960 location /some/path/ { |
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Revised description of "proxy_pass".
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|
961 proxy_pass http://127.0.0.1; |
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diff
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|
962 } |
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Revised description of "proxy_pass".
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diff
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|
963 </example> |
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diff
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|
964 <note> |
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Revised description of "proxy_pass".
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diff
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|
965 Before version 1.1.12, |
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Revised description of "proxy_pass".
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966 if <literal>proxy_pass</literal> is specified without a URI, |
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Revised description of "proxy_pass".
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|
967 an original request URI might be passed |
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Revised description of "proxy_pass".
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|
968 instead of the changed URI in some cases. |
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Revised description of "proxy_pass".
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diff
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|
969 </note> |
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Revised description of "proxy_pass".
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parents:
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diff
changeset
|
970 </listitem> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
971 </list> |
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parents:
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diff
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|
972 </para> |
f8652d663b62
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diff
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|
973 |
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diff
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|
974 <para> |
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diff
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|
975 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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|
976 <list type="bullet" compact="no"> |
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Revised description of "proxy_pass".
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|
977 |
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Revised description of "proxy_pass".
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|
978 <listitem> |
f8652d663b62
Revised description of "proxy_pass".
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|
979 When location is specified using a regular expression. |
f8652d663b62
Revised description of "proxy_pass".
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|
980 <para> |
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Revised description of "proxy_pass".
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|
981 In this case, the directive should be specified without URI. |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
982 </para> |
f8652d663b62
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parents:
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diff
changeset
|
983 </listitem> |
f8652d663b62
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parents:
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diff
changeset
|
984 |
f8652d663b62
Revised description of "proxy_pass".
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diff
changeset
|
985 <listitem> |
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Revised description of "proxy_pass".
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parents:
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diff
changeset
|
986 When URI is changed inside a proxied location using the |
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Revised description of "proxy_pass".
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|
987 <link doc="ngx_http_rewrite_module.xml" id="rewrite"/> directive, |
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Revised description of "proxy_pass".
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|
988 and this same configuration will be used to process a request |
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Revised description of "proxy_pass".
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|
989 (<literal>break</literal>): |
281
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|
990 <example> |
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|
991 location /name/ { |
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parents:
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|
992 rewrite /name/([^/]+) /users?name=$1 break; |
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parents:
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|
993 proxy_pass http://127.0.0.1; |
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parents:
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|
994 } |
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parents:
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|
995 </example> |
535
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|
996 <para> |
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diff
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|
997 In this case, a URI specified in the directive is ignored and |
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Revised description of "proxy_pass".
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|
998 the full changed request URI is passed to the server. |
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Revised description of "proxy_pass".
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|
999 </para> |
281
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|
1000 </listitem> |
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|
1001 </list> |
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|
1002 </para> |
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|
1003 |
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parents:
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|
1004 <para> |
535
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|
1005 A server name, its port and passed URI can also be specified using variables: |
281
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|
1006 <example> |
351
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|
1007 proxy_pass http://$host$uri; |
281
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|
1008 </example> |
535
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|
1009 or even like this: |
281
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1010 <example> |
351
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1011 proxy_pass $request; |
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1012 </example> |
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1013 </para> |
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|
1014 |
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|
1015 <para> |
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|
1016 In this case the server name is searched among the described |
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parents:
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|
1017 <link doc="ngx_http_upstream_module.xml">server groups</link>, |
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|
1018 and if not found is determined using a |
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|
1019 <link doc="ngx_http_core_module.xml" id="resolver"/>. |
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parents:
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1020 </para> |
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|
1021 |
849 | 1022 <para> |
1023 <link doc="websocket.xml">WebSocket</link> proxying requires special | |
1024 configuration and is supported since version 1.3.13. | |
1025 </para> | |
1026 | |
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|
1027 </directive> |
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|
1028 |
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|
1029 |
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|
1030 <directive name="proxy_pass_header"> |
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|
1031 <syntax><value>field</value></syntax> |
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1032 <default/> |
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1033 <context>http</context> |
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1034 <context>server</context> |
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|
1035 <context>location</context> |
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1036 |
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1037 <para> |
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1038 Permits to pass <link id="proxy_hide_header">otherwise disabled</link> header |
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|
1039 fields from a proxied server to a client. |
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1040 </para> |
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1041 |
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1042 </directive> |
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1043 |
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1044 |
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|
1045 <directive name="proxy_read_timeout"> |
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1046 <syntax><value>time</value></syntax> |
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1047 <default>60s</default> |
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1048 <context>http</context> |
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1049 <context>server</context> |
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1050 <context>location</context> |
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1051 |
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1052 <para> |
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1053 Defines a timeout for reading a response from the proxied server. |
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1054 A timeout is only set between two successive read operations, |
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|
1055 not for the transmission of the whole response. |
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|
1056 If a proxied server does not transmit anything within this time, |
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1057 a connection is closed. |
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1058 </para> |
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|
1059 |
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1060 </directive> |
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1061 |
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1062 |
789
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1063 <directive name="proxy_pass_request_body"> |
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1064 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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1065 <default>on</default> |
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1066 <context>http</context> |
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1067 <context>server</context> |
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1068 <context>location</context> |
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1069 |
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1070 <para> |
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1071 If disabled, the original request body will not be passed |
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1072 to the proxied server. |
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1073 <example> |
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1074 location /x-accel-redirect-here/ { |
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1075 proxy_method GET; |
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1076 proxy_pass_request_body off; |
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1077 proxy_set_header Content-Length ""; |
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1078 |
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1079 proxy_pass ... |
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1080 } |
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1081 </example> |
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1082 See also the <link id="proxy_set_header"/> and |
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1083 <link id="proxy_pass_request_headers"/> directives. |
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1084 </para> |
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1085 |
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1086 </directive> |
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1087 |
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1088 |
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1089 <directive name="proxy_pass_request_headers"> |
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1090 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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1091 <default>on</default> |
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1092 <context>http</context> |
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1093 <context>server</context> |
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1094 <context>location</context> |
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1095 |
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1096 <para> |
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1097 If disabled, header fields of the original request will not be passed to the |
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1098 proxied server. |
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1099 <example> |
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1100 location /x-accel-redirect-here/ { |
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1101 proxy_method GET; |
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1102 proxy_pass_request_headers off; |
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1103 proxy_pass_request_body off; |
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1104 |
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1105 proxy_pass ... |
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1106 } |
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1107 </example> |
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1108 See also the <link id="proxy_set_header"/> and |
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1109 <link id="proxy_pass_request_body"/> directives. |
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1110 </para> |
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1111 |
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1112 </directive> |
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1113 |
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1114 |
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1115 <directive name="proxy_redirect"> |
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1116 <syntax><literal>default</literal></syntax> |
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1117 <syntax><literal>off</literal></syntax> |
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1118 <syntax><value>redirect</value> <value>replacement</value></syntax> |
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1119 <default>default</default> |
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1120 <context>http</context> |
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1121 <context>server</context> |
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1122 <context>location</context> |
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1123 |
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1124 <para> |
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1125 Sets a text that should be changed in the header fields |
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1126 <header>Location</header> and <header>Refresh</header> of a response |
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1127 from the proxied server. |
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1128 Suppose a proxied server returned the header field |
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1129 “<literal>Location: http://localhost:8000/two/some/uri/</literal>”. |
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1130 The directive |
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1131 <example> |
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1132 proxy_redirect http://localhost:8000/two/ http://frontend/one/; |
281
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1133 </example> |
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1134 will rewrite this string to |
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|
1135 “<literal>Location: http://frontend/one/some/uri/</literal>”. |
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1136 </para> |
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|
1137 |
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1138 <para> |
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1139 A server name may be omitted from the <value>replacement</value> string: |
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1140 <example> |
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1141 proxy_redirect http://localhost:8000/two/ /; |
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1142 </example> |
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1143 then the primary server’s name and a port, if different from 80, |
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1144 will be substituted. |
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1145 </para> |
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1146 |
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1147 <para> |
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1148 The default replacement specified by the <literal>default</literal> parameter |
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1149 uses the parameters of the |
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1150 <link doc="ngx_http_core_module.xml" id="location"/> and |
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1151 <link id="proxy_pass"/> directives. |
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1152 Hence, the two configurations below are equivalent: |
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1153 <example> |
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1154 location /one/ { |
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1155 proxy_pass http://upstream:port/two/; |
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1156 proxy_redirect default; |
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1157 </example> |
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1158 |
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1159 <example> |
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1160 location /one/ { |
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1161 proxy_pass http://upstream:port/two/; |
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1162 proxy_redirect http://upstream:port/two/ /one/; |
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1163 </example> |
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1164 The <literal>default</literal> parameter is not permitted if |
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1165 <link id="proxy_pass"/> is specified using variables. |
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1166 </para> |
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1167 |
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1168 <para> |
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1169 A <value>replacement</value> string can contain variables: |
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1170 <example> |
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1171 proxy_redirect http://localhost:8000/ http://$host:$server_port/; |
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1172 </example> |
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1173 </para> |
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1174 |
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1175 <para> |
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1176 A <value>redirect</value> can also contain (1.1.11) variables: |
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parents:
diff
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|
1177 <example> |
351
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1178 proxy_redirect http://$proxy_host:8000/ /; |
281
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parents:
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|
1179 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1180 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1181 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1182 <para> |
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parents:
diff
changeset
|
1183 A directive can be specified (1.1.11) using regular expressions. |
417
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
Ruslan Ermilov <ru@nginx.com>
parents:
405
diff
changeset
|
1184 In this case, <value>redirect</value> should either start from |
281
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parents:
diff
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|
1185 the “<literal>~</literal>” symbol for a case-sensitive matching, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1186 or from the “<literal>~*</literal>” symbols for case-insensitive |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1187 matching. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1188 A regular expression can contain named and positional captures, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1189 and <value>replacement</value> can reference them: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
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|
1190 <example> |
351
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1191 proxy_redirect ~^(http://[^:]+):\d+(/.+)$ $1$2; |
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Consistently strip initial offset in examples.
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|
1192 proxy_redirect ~*/user/([^/]+)/(.+)$ http://$1.example.com/$2; |
281
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|
1193 </example> |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
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|
1194 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1195 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1196 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1197 There could be several <literal>proxy_redirect</literal> directives: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1198 <example> |
351
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|
1199 proxy_redirect default; |
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Consistently strip initial offset in examples.
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diff
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|
1200 proxy_redirect http://localhost:8000/ /; |
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Consistently strip initial offset in examples.
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|
1201 proxy_redirect http://www.example.com/ /; |
281
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parents:
diff
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|
1202 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1203 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1204 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1205 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1206 The <literal>off</literal> parameter cancels all |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1207 <literal>proxy_redirect</literal> directives on the current level: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1208 <example> |
351
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Consistently strip initial offset in examples.
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diff
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|
1209 proxy_redirect off; |
a4fa80755eab
Consistently strip initial offset in examples.
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parents:
316
diff
changeset
|
1210 proxy_redirect default; |
a4fa80755eab
Consistently strip initial offset in examples.
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parents:
316
diff
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|
1211 proxy_redirect http://localhost:8000/ /; |
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Consistently strip initial offset in examples.
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316
diff
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|
1212 proxy_redirect http://www.example.com/ /; |
281
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parents:
diff
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|
1213 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1214 </para> |
7142ddd2764c
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parents:
diff
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|
1215 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1216 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1217 Using this directive it is also possible to add host names to relative |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1218 redirects issued by a proxied server: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1219 <example> |
351
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1220 proxy_redirect / /; |
281
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parents:
diff
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|
1221 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1222 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1223 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1224 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1225 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1226 |
773
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1227 <directive name="proxy_send_lowat"> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1228 <syntax><value>size</value></syntax> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1229 <default>0</default> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1230 <context>http</context> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1231 <context>server</context> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1232 <context>location</context> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1233 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1234 <para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1235 If set to a non-zero value, nginx will try to minimize the number |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1236 of send operations on outgoing connections to a proxied server by using either |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1237 <c-def>NOTE_LOWAT</c-def> flag of the |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1238 <link doc="../events.xml" id="kqueue"/> method, |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1239 or the <c-def>SO_SNDLOWAT</c-def> socket option, |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1240 with the specified <value>size</value>. |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1241 </para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1242 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1243 <para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1244 This directive is ignored on Linux, Solaris, and Windows. |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1245 </para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1246 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1247 </directive> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1248 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
1249 |
281
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changeset
|
1250 <directive name="proxy_send_timeout"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1251 <syntax><value>time</value></syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1252 <default>60s</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1253 <context>http</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1254 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1255 <context>location</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1256 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1257 <para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1258 Sets a timeout for transmitting a request to the proxied server. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1259 A timeout is only set between two successive write operations, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1260 not for the transmission of the whole request. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1261 If a proxied server does not receive anything within this time, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1262 a connection is closed. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1263 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1264 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1265 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1266 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1267 |
787
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1268 <directive name="proxy_set_body"> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1269 <syntax><value>value</value></syntax> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1270 <default/> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1271 <context>http</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1272 <context>server</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1273 <context>location</context> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1274 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
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parents:
773
diff
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|
1275 <para> |
180a64c709d8
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773
diff
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|
1276 Allows to redefine request body passed to the proxied server. |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
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|
1277 A <value>value</value> can contain text, variables, and their combination. |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1278 </para> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
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parents:
773
diff
changeset
|
1279 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1280 </directive> |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
1281 |
180a64c709d8
Documented "proxy_set_body" and "proxy_method" directives.
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parents:
773
diff
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|
1282 |
281
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|
1283 <directive name="proxy_set_header"> |
7142ddd2764c
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parents:
diff
changeset
|
1284 <syntax><value>field</value> <value>value</value></syntax> |
7142ddd2764c
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parents:
diff
changeset
|
1285 <default>Host $proxy_host</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
1286 <default>Connection close</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1287 <context>http</context> |
7142ddd2764c
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parents:
diff
changeset
|
1288 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1289 <context>location</context> |
7142ddd2764c
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parents:
diff
changeset
|
1290 |
7142ddd2764c
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diff
changeset
|
1291 <para> |
7142ddd2764c
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parents:
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|
1292 Allows to redefine or append fields to the request header |
789
1063836dacea
Documented "proxy_pass_request_body/headers" directives.
Vladimir Homutov <vl@nginx.com>
parents:
787
diff
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|
1293 <link id="proxy_pass_request_headers">passed</link> to the proxied server. |
281
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parents:
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1294 A <value>value</value> can contain text, variables, and their combination. |
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parents:
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|
1295 These directives are inherited from the previous level if and |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1296 only if there are no |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1297 <literal>proxy_set_header</literal> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1298 directives defined on the current level. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1299 By default, only two fields are redefined: |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1300 <example> |
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parents:
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1301 proxy_set_header Host $proxy_host; |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1302 proxy_set_header Connection close; |
7142ddd2764c
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parents:
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|
1303 </example> |
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parents:
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|
1304 </para> |
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parents:
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|
1305 |
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parents:
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|
1306 <para> |
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parents:
diff
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|
1307 An unchanged <header>Host</header> request header field can be passed like this: |
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parents:
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1308 <example> |
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parents:
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|
1309 proxy_set_header Host $http_host; |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
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|
1310 </example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
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1311 </para> |
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parents:
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|
1312 |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1313 <para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1314 However, if this field is not present in a client request header then |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1315 nothing will be passed. |
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Translated current version of ngx_http_proxy_module documentation into English.
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parents:
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|
1316 In such a case it is better to use the <var>$host</var> variable—its |
7142ddd2764c
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parents:
diff
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|
1317 value equals the server name in the <header>Host</header> request header |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1318 field, or the primary server name if this field is not present: |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1319 <example> |
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parents:
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|
1320 proxy_set_header Host $host; |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1321 </example> |
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1322 </para> |
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|
1323 |
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Ruslan Ermilov <ru@nginx.com>
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|
1324 <para> |
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parents:
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|
1325 In addition, a server name can be passed together with a port of the |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1326 proxied server: |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1327 <example> |
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parents:
diff
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|
1328 proxy_set_header Host $host:$proxy_port; |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1329 </example> |
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parents:
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|
1330 </para> |
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|
1331 |
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|
1332 <para> |
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parents:
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|
1333 If the value of a header field is an empty string then this |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1334 field will not be passed to a proxied server: |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1335 <example> |
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parents:
diff
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|
1336 proxy_set_header Accept-Encoding ""; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1337 </example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1338 </para> |
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|
1339 |
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Ruslan Ermilov <ru@nginx.com>
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|
1340 </directive> |
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|
1341 |
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parents:
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|
1342 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1343 <directive name="proxy_ssl_session_reuse"> |
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parents:
diff
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|
1344 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1345 <default>on</default> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1346 <context>http</context> |
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parents:
diff
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|
1347 <context>server</context> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1348 <context>location</context> |
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parents:
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|
1349 |
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Ruslan Ermilov <ru@nginx.com>
parents:
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|
1350 <para> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1351 Determines whether SSL sessions can be reused when working with |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1352 the proxied server. |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1353 If the errors |
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parents:
diff
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|
1354 “<literal>SSL3_GET_FINISHED:digest check failed</literal>” |
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parents:
diff
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|
1355 appear in the logs, try to disable session reuse. |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1356 </para> |
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parents:
diff
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|
1357 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1358 </directive> |
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
1359 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1360 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1361 <directive name="proxy_store"> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1362 <syntax> |
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parents:
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|
1363 <literal>on</literal> | |
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parents:
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|
1364 <literal>off</literal> | |
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parents:
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|
1365 <value>string</value></syntax> |
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parents:
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|
1366 <default>off</default> |
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Ruslan Ermilov <ru@nginx.com>
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|
1367 <context>http</context> |
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|
1368 <context>server</context> |
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parents:
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|
1369 <context>location</context> |
7142ddd2764c
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|
1370 |
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|
1371 <para> |
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parents:
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|
1372 Enables saving of files to a disk. |
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parents:
diff
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|
1373 The <literal>on</literal> parameter saves files with paths |
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Ruslan Ermilov <ru@nginx.com>
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|
1374 corresponding to the directives |
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parents:
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|
1375 <link doc="ngx_http_core_module.xml" id="alias"/> or |
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parents:
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|
1376 <link doc="ngx_http_core_module.xml" id="root"/>. |
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|
1377 The <literal>off</literal> parameter disables saving of files. |
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|
1378 In addition, the file name can be set explicitly using the |
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|
1379 <value>string</value> with variables: |
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|
1380 <example> |
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|
1381 proxy_store /data/www$original_uri; |
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|
1382 </example> |
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|
1383 </para> |
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|
1384 |
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|
1385 <para> |
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|
1386 The modification time of files is set according to the received |
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|
1387 <header>Last-Modified</header> response header field. |
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|
1388 A response is first written to a temporary file, then a file is renamed. |
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|
1389 Starting from version 0.8.9 temporary files and the persistent store |
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|
1390 can be put on different file systems but be aware that in this case |
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|
1391 a file is copied across two file systems instead of the cheap rename operation. |
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|
1392 It is thus recommended that for any given location both saved files and a |
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|
1393 directory holding temporary files set by the <link id="proxy_temp_path"/> |
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|
1394 directive are put on the same file system. |
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|
1395 </para> |
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|
1396 |
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|
1397 <para> |
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|
1398 This directive can be used to create local copies of static unchangeable |
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|
1399 files, e.g.: |
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|
1400 <example> |
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|
1401 location /images/ { |
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|
1402 root /data/www; |
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|
1403 open_file_cache_errors off; |
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|
1404 error_page 404 = /fetch$uri; |
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|
1405 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1406 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1407 location /fetch/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1408 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1409 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1410 proxy_pass http://backend/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1411 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1412 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
|
1413 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
|
1414 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1415 alias /data/www/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1416 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1417 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1418 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1419 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1420 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1421 or like this: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1422 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1423 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1424 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1425 error_page 404 = @fetch; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1426 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1427 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1428 location @fetch { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1429 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1430 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1431 proxy_pass http://backend; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1432 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1433 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
|
1434 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
|
1435 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1436 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1437 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1438 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1439 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1440 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1441 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1442 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1443 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1444 <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
|
1445 <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
|
1446 <default>user:rw</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1447 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1448 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1449 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1450 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1451 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1452 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
|
1453 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1454 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
|
1455 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1456 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1457 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1458 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1459 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
|
1460 are specified then <literal>user</literal> permissions may be omitted: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1461 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1462 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
|
1463 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1464 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1465 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1466 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1467 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1468 |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1469 <directive name="proxy_temp_file_write_size"> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1470 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1471 <default>8k|16k</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1472 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1473 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1474 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1475 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1476 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1477 Limits the <value>size</value> of data written to a temporary file |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1478 at a time, when buffering of responses from the proxied server |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1479 to temporary files is enabled. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1480 By default, <value>size</value> is limited by two buffers set by the |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1481 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1482 The maximum size of a temporary file is set by the |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1483 <link id="proxy_max_temp_file_size"/> directive. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1484 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1485 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1486 </directive> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1487 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1488 |
281
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1489 <directive name="proxy_temp_path"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1490 <syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1491 <value>path</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1492 [<value>level1</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1493 [<value>level2</value> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1494 [<value>level3</value>]]]</syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1495 <default>proxy_temp</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1496 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1497 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1498 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1499 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1500 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1501 Defines a directory for storing temporary files |
405
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1502 with data received from proxied servers. |
281
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1503 Up to three-level subdirectory hierarchy can be used underneath the specified |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1504 directory. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1505 For example, in the following configuration |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1506 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1507 proxy_temp_path /spool/nginx/proxy_temp 1 2; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1508 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1509 a temporary file might look like this: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1510 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1511 /spool/nginx/proxy_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1512 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1513 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1514 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1515 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1516 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1517 </section> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1518 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1519 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1520 <section id="variables" name="Embedded Variables"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
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1521 |
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1522 <para> |
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1523 The <literal>ngx_http_proxy_module</literal> module supports embedded variables |
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1524 that can be used to compose headers using the |
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1525 <link id="proxy_set_header"/> directive: |
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1526 <list type="tag"> |
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1527 |
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1528 <tag-name><var>$proxy_host</var></tag-name> |
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1529 <tag-desc>name and port of a proxied server;</tag-desc> |
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1530 |
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1531 <tag-name><var>$proxy_port</var></tag-name> |
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1532 <tag-desc>port of a proxied server;</tag-desc> |
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1533 |
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1534 <tag-name><var>$proxy_add_x_forwarded_for</var></tag-name> |
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1535 <tag-desc>the <header>X-Forwarded-For</header> client request header field |
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1536 with the <var>$remote_addr</var> variable appended to it, separated by a comma. |
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1537 If the <header>X-Forwarded-For</header> field is not present in the client |
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1538 request header, the <var>$proxy_add_x_forwarded_for</var> variable is equal |
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1539 to the <var>$remote_addr</var> variable.</tag-desc> |
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1540 </list> |
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1541 </para> |
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1542 |
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1543 </section> |
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1544 |
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1545 </module> |