Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_proxy_module.xml @ 535:f8652d663b62
Revised description of "proxy_pass".
author | Ruslan Ermilov <ru@nginx.com> |
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date | Thu, 14 Jun 2012 13:08:13 +0000 |
parents | 5e332fafd228 |
children | ebcb351d9eb3 |
rev | line source |
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1 <?xml version="1.0"?> |
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2 |
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3 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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4 |
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5 <module name="Module ngx_http_proxy_module" |
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6 link="/en/docs/http/ngx_http_proxy_module.html" |
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7 lang="en"> |
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8 |
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9 <section id="summary"> |
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10 |
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11 <para> |
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12 The <literal>ngx_http_proxy_module</literal> module allows to pass |
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13 requests to another server. |
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14 </para> |
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15 |
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16 </section> |
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17 |
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18 |
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19 <section id="example" name="Example Configuration"> |
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20 |
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21 <para> |
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22 <example> |
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23 location / { |
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24 proxy_pass http://localhost:8000; |
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25 proxy_set_header Host $host; |
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26 proxy_set_header X-Real-IP $remote_addr; |
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27 } |
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28 </example> |
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29 </para> |
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30 |
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31 </section> |
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32 |
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33 |
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34 <section id="directives" name="Directives"> |
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35 |
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36 <directive name="proxy_buffer_size"> |
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37 <syntax><value>size</value></syntax> |
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38 <default>4k|8k</default> |
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39 <context>http</context> |
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40 <context>server</context> |
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41 <context>location</context> |
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42 |
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43 <para> |
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44 Sets <value>size</value> of the buffer used for reading the first part |
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45 of a response received from the proxied server. |
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46 This part usually contains a small response header. |
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47 By default, the buffer size is equal to the size of one |
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48 buffer set by the <link id="proxy_buffers"/> directive. |
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49 It can be made smaller however. |
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50 </para> |
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51 |
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52 </directive> |
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53 |
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54 |
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55 <directive name="proxy_buffering"> |
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56 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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57 <default>on</default> |
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58 <context>http</context> |
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59 <context>server</context> |
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60 <context>location</context> |
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61 |
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62 <para> |
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63 Enables or disables buffering of responses from the proxied server. |
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64 </para> |
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65 |
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66 <para> |
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67 When buffering is enabled, nginx receives a response from the proxied server |
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68 as soon as possible, saving it into buffers set by the |
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69 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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70 If the whole response does not fit into memory, part of it can be saved |
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71 to a <link id="proxy_temp_path">temporary file</link> on disk. |
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72 Writes to temporary files are controlled by the |
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73 <link id="proxy_max_temp_file_size"/> and |
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74 <link id="proxy_temp_file_write_size"/> directives. |
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75 </para> |
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76 |
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77 <para> |
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78 When buffering is disabled, a response is passed to a client synchronously, |
362 | 79 immediately as it is received. |
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80 nginx will not try to read the whole response from the proxied server. |
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81 The maximum size of the data that nginx can receive from the server |
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82 at a time is set by the <link id="proxy_buffer_size"/> directive. |
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83 </para> |
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84 |
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85 <para> |
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86 Buffering can also be enabled or disabled by passing |
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87 “<literal>yes</literal>” or “<literal>no</literal>” in the |
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88 <header>X-Accel-Buffering</header> response header field. |
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89 This ability can be disabled using the |
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90 <link doc="ngx_http_proxy_module.xml" id="proxy_ignore_headers"/> directive. |
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91 </para> |
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92 |
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93 </directive> |
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94 |
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95 |
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96 <directive name="proxy_buffers"> |
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97 <syntax><value>number</value> <value>size</value></syntax> |
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98 <default>8 4k|8k</default> |
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99 <context>http</context> |
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100 <context>server</context> |
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101 <context>location</context> |
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102 |
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103 <para> |
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104 Sets the <value>number</value> and <value>size</value> of |
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105 buffers used for reading a response from the proxied server, |
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106 for a single connection. |
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107 By default, the buffer size is equal to one memory page. |
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108 This is either 4K or 8K, depending on a platform. |
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109 </para> |
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110 |
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111 </directive> |
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112 |
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113 |
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114 <directive name="proxy_busy_buffers_size"> |
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115 <syntax><value>size</value></syntax> |
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116 <default>8k|16k</default> |
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117 <context>http</context> |
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118 <context>server</context> |
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119 <context>location</context> |
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120 |
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121 <para> |
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122 When <link id="proxy_buffering">buffering</link> of responses from the proxied |
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123 server is enabled, limits the total <value>size</value> of buffers that |
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124 can be busy sending a response to the client while the response is not |
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125 yet fully read. |
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126 In the mean time, the rest of the buffers can be used for reading a response |
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127 and, if needed, buffering part of a response to a temporary file. |
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128 By default, <value>size</value> is limited by two buffers set by the |
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129 <link id="proxy_buffer_size"/> and <link id="proxy_buffers"/> directives. |
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130 </para> |
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131 |
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132 </directive> |
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133 |
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134 |
281
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135 <directive name="proxy_cache"> |
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136 <syntax><value>zone</value> | <literal>off</literal></syntax> |
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137 <default>off</default> |
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138 <context>http</context> |
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139 <context>server</context> |
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140 <context>location</context> |
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141 |
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142 <para> |
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143 Defines a zone used for caching. |
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144 The same zone can be used in several places. |
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145 The <literal>off</literal> parameter disables caching inherited |
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146 from the previous configuration level. |
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147 </para> |
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148 |
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149 </directive> |
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150 |
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151 |
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152 <directive name="proxy_cache_bypass"> |
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153 <syntax><value>string</value> ...</syntax> |
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154 <default/> |
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155 <context>http</context> |
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156 <context>server</context> |
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157 <context>location</context> |
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158 |
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159 <para> |
294 | 160 Defines conditions under which the response will not be taken from a cache. |
281
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161 If at least one value of the string parameters is not empty and is not |
294 | 162 equal to “0” then the response will not be taken from the cache: |
281
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163 <example> |
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164 proxy_cache_bypass $cookie_nocache $arg_nocache$arg_comment; |
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165 proxy_cache_bypass $http_pragma $http_authorization; |
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166 </example> |
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167 Can be used along with the <link id="proxy_no_cache"/> directive. |
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168 </para> |
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169 |
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170 </directive> |
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171 |
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172 |
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173 <directive name="proxy_cache_key"> |
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174 <syntax><value>string</value></syntax> |
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175 <default>$scheme$proxy_host$request_uri</default> |
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176 <context>http</context> |
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177 <context>server</context> |
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178 <context>location</context> |
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179 |
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180 <para> |
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181 Defines a key for caching, for example |
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182 <example> |
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183 proxy_cache_key "$host$request_uri $cookie_user"; |
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184 </example> |
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185 By default, the directive’s value is close to the string |
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186 <example> |
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187 proxy_cache_key $scheme$proxy_host$uri$is_args$args; |
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188 </example> |
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189 </para> |
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190 |
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191 </directive> |
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192 |
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193 |
302
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194 <directive name="proxy_cache_lock"> |
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195 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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196 <default>off</default> |
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197 <context>http</context> |
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198 <context>server</context> |
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199 <context>location</context> |
310
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200 <appeared-in>1.1.12</appeared-in> |
302
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201 |
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202 <para> |
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203 When enabled, only one request at a time will be allowed to populate |
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204 a new cache element identified according to the <link id="proxy_cache_key"/> |
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205 directive by passing a request to a proxied server. |
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206 Other requests of the same cache element will either wait |
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207 for a response to appear in the cache, or the cache lock for |
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208 this element to be released, up to the time set by the |
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209 <link id="proxy_cache_lock_timeout"/> directive. |
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210 </para> |
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211 |
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212 </directive> |
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213 |
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214 |
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215 <directive name="proxy_cache_lock_timeout"> |
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216 <syntax><value>time</value></syntax> |
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217 <default>5s</default> |
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218 <context>http</context> |
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219 <context>server</context> |
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220 <context>location</context> |
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221 <appeared-in>1.1.12</appeared-in> |
302
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222 |
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223 <para> |
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224 Sets a timeout for <link id="proxy_cache_lock"/>. |
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225 </para> |
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226 |
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227 </directive> |
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228 |
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229 |
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230 <directive name="proxy_cache_min_uses"> |
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231 <syntax><value>number</value></syntax> |
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232 <default>1</default> |
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233 <context>http</context> |
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234 <context>server</context> |
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235 <context>location</context> |
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236 |
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237 <para> |
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238 Sets the <value>number</value> of requests after which the response |
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239 will be cached. |
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240 </para> |
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241 |
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242 </directive> |
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243 |
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244 |
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245 <directive name="proxy_cache_path"> |
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246 <syntax> |
364 | 247 <value>path</value> |
248 [<literal>levels</literal>=<value>levels</value>] | |
249 <literal>keys_zone</literal>=<value>name</value>:<value>size</value> | |
250 [<literal>inactive</literal>=<value>time</value>] | |
508
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251 [<literal>max_size</literal>=<value>size</value>] |
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252 [<literal>loader_files</literal>=<value>number</value>] |
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253 [<literal>loader_sleep</literal>=<value>time</value>] |
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254 [<literal>loader_threshold</literal>=<value>time</value>]</syntax> |
281
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255 <default/> |
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256 <context>http</context> |
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257 |
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258 <para> |
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259 Sets path and other parameters of a cache. |
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260 Cache data are stored in files. |
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261 Both the key and file name in a cache are a result of |
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262 applying the MD5 function to the proxied URL. |
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263 |
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264 The <literal>levels</literal> parameter defines hierarchy levels of a cache. |
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265 For example, in the following configuration |
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266 <example> |
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267 proxy_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; |
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268 </example> |
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269 file names in a cache will look like this: |
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270 <example> |
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271 /data/nginx/cache/<emphasis>c</emphasis>/<emphasis>29</emphasis>/b7f54b2df7773722d382f4809d650<emphasis>29c</emphasis> |
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272 </example> |
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273 </para> |
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274 |
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275 <para> |
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276 A cached response is first written to a temporary file, then a file is renamed. |
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277 Starting from version 0.8.9 temporary files and the cache can be put on |
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278 different file systems but be aware that in this case a file is copied |
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279 across two file systems instead of the cheap rename operation. |
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280 It is thus recommended that for any given location both cache and a directory |
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281 holding temporary files set by the <link id="proxy_temp_path"/> directive |
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282 are put on the same file system. |
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283 </para> |
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284 |
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285 <para> |
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286 In addition, all active keys and information about data are stored |
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287 in a shared memory zone, whose <value>name</value> and <value>size</value> |
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288 are configured by the <literal>keys_zone</literal> parameter. |
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289 Cached data that are not accessed during the time specified by the |
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290 <literal>inactive</literal> parameter get removed from the cache |
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291 regardless of their freshness. |
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292 By default, <literal>inactive</literal> is set to 10 minutes. |
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293 </para> |
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294 |
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295 <para> |
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296 The special process “cache manager” monitors the maximum cache size set |
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297 by the <literal>max_size</literal> parameter; |
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298 when this size is exceeded it removes the least recently used data. |
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299 </para> |
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300 |
508
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301 <para> |
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302 A minute after the start the special process “cache loader” is activated |
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303 that loads information about previously cached data stored on file system |
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304 into a cache zone. |
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305 A load is done in iterations. |
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306 During one iteration no more than <literal>loader_files</literal> items |
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307 are loaded (by default, 100). |
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308 Besides, the duration of one iteration is limited by the |
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309 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). |
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310 A pause is made between iterations, configured by the |
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311 <literal>loader_sleep</literal> parameter (by default, 50 milliseconds). |
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312 </para> |
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313 |
281
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314 </directive> |
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315 |
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316 |
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317 <directive name="proxy_cache_use_stale"> |
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318 <syntax> |
364 | 319 <literal>error</literal> | |
320 <literal>timeout</literal> | | |
321 <literal>invalid_header</literal> | | |
322 <literal>updating</literal> | | |
323 <literal>http_500</literal> | | |
324 <literal>http_502</literal> | | |
325 <literal>http_503</literal> | | |
326 <literal>http_504</literal> | | |
327 <literal>http_404</literal> | | |
328 <literal>off</literal> | |
329 ...</syntax> | |
281
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330 <default>off</default> |
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331 <context>http</context> |
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332 <context>server</context> |
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333 <context>location</context> |
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334 |
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335 <para> |
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336 If an error occurs while working with the proxied server it is possible |
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337 to use a stale cached response. |
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338 This directives determines in which cases it is permitted. |
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339 The directive’s parameters match those of the |
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340 <link id="proxy_next_upstream"/> directive. |
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341 </para> |
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342 |
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343 <para> |
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344 Additionally, the <literal>updating</literal> parameter permits |
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345 to use a stale cached response if it is currently being updated. |
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346 This allows to minimize the number of accesses to proxied servers |
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347 when updating cached data. |
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348 </para> |
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349 |
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350 <para> |
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351 To minimize the number of accesses to proxied servers when |
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352 populating a new cache element, the <link id="proxy_cache_lock"/> |
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353 directive can be used. |
281
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354 </para> |
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355 |
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356 </directive> |
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357 |
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358 |
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359 <directive name="proxy_cache_valid"> |
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360 <syntax>[<value>code</value> ...] <value>time</value></syntax> |
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361 <default/> |
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362 <context>http</context> |
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363 <context>server</context> |
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364 <context>location</context> |
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365 |
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366 <para> |
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367 Sets caching time for different response codes. |
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368 For example, the following directives |
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369 <example> |
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370 proxy_cache_valid 200 302 10m; |
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371 proxy_cache_valid 404 1m; |
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372 </example> |
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373 set 10 minutes of caching for responses with codes 200 and 302, |
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374 and 1 minute for responses with code 404. |
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375 </para> |
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376 |
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377 <para> |
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378 If only caching <value>time</value> is specified |
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379 <example> |
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380 proxy_cache_valid 5m; |
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381 </example> |
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382 then only 200, 301, and 302 responses are cached. |
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383 </para> |
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384 |
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385 <para> |
294 | 386 In addition, it can be specified to cache any responses using the |
281
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387 <literal>any</literal> parameter: |
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388 <example> |
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389 proxy_cache_valid 200 302 10m; |
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390 proxy_cache_valid 301 1h; |
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391 proxy_cache_valid any 1m; |
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392 </example> |
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393 </para> |
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394 |
506
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395 <para> |
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396 Parameters of caching can also be set directly |
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397 in the response header. |
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398 This has a higher precedence than setting of caching time using the directive. |
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399 The <header>X-Accel-Expires</header> header field sets caching time of a |
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400 response in seconds. |
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401 The value 0 disables to cache a response. |
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402 If a value starts with the prefix <literal>@</literal>, it sets an absolute |
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403 time in seconds since Epoch, up to which the response may be cached. |
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404 If header does not include the <header>X-Accel-Expires</header> field, |
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405 parameters of caching may be set in the header fields |
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406 <header>Expires</header> or <header>Cache-Control</header>. |
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407 If a header includes the <header>Set-Cookie</header> field, such a |
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408 response will not be cached. |
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409 Processing of one or more of these response header fields can be disabled |
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410 using the <link id="proxy_ignore_headers"/> directive. |
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411 </para> |
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412 |
281
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413 </directive> |
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414 |
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415 |
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416 <directive name="proxy_connect_timeout"> |
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417 <syntax><value>time</value></syntax> |
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418 <default>60s</default> |
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419 <context>http</context> |
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420 <context>server</context> |
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421 <context>location</context> |
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422 |
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423 <para> |
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424 Defines a timeout for establishing a connection with the proxied server. |
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425 It should be noted that this timeout cannot usually exceed 75 seconds. |
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426 </para> |
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427 |
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428 </directive> |
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429 |
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430 |
417
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431 <directive name="proxy_cookie_domain"> |
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432 <syntax><literal>off</literal></syntax> |
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433 <syntax><value>domain</value> <value>replacement</value></syntax> |
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434 <default>off</default> |
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435 <context>http</context> |
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436 <context>server</context> |
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437 <context>location</context> |
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438 <appeared-in>1.1.15</appeared-in> |
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439 |
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440 <para> |
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441 Sets a text that should be changed in the <literal>domain</literal> |
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442 attribute of the <header>Set-Cookie</header> header fields of a |
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443 proxied server response. |
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444 Suppose a proxied server returned the header field |
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445 <header>Set-Cookie</header> with the attribute |
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446 “<literal>domain=localhost</literal>”. |
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447 The directive |
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448 <example> |
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449 proxy_cookie_domain localhost example.org; |
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450 </example> |
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451 will rewrite this attribute to |
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452 “<literal>domain=example.org</literal>”. |
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453 </para> |
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454 |
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455 <para> |
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456 A dot at the beginning of the <value>domain</value> and |
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457 <value>replacement</value> strings, and the <literal>domain</literal> |
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458 attribute is ignored. |
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459 Matching is case-insensitive. |
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460 </para> |
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461 |
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462 <para> |
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463 The strings <value>domain</value> and <value>replacement</value> |
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464 can contain variables: |
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465 <example> |
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466 proxy_cookie_domain www.$host $host; |
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467 </example> |
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468 </para> |
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469 |
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470 <para> |
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471 A directive can also be specified using regular expressions. |
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472 In this case, <value>domain</value> should start from |
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473 the “<literal>~</literal>” symbol. |
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474 A regular expression can contain named and positional captures, |
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475 and <value>replacement</value> can reference them: |
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476 <example> |
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477 proxy_cookie_domain ~\.(?P<sl_domain>[-0-9a-z]+\.[a-z]+)$ $sl_domain; |
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478 </example> |
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479 </para> |
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480 |
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481 <para> |
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482 There could be several <literal>proxy_cookie_domain</literal> directives: |
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483 <example> |
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484 proxy_cookie_domain localhost example.org; |
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485 proxy_cookie_domain ~\.([a-z]+\.[a-z]+)$ $1; |
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486 </example> |
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487 </para> |
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488 |
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489 <para> |
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490 The <literal>off</literal> parameter cancels all |
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491 <literal>proxy_cookie_domain</literal> directives on the current level: |
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492 <example> |
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493 proxy_cookie_domain off; |
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494 proxy_cookie_domain localhost example.org; |
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495 proxy_cookie_domain www.example.org example.org; |
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496 </example> |
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497 </para> |
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498 |
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499 </directive> |
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500 |
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501 |
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502 <directive name="proxy_cookie_path"> |
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503 <syntax><literal>off</literal></syntax> |
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504 <syntax><value>path</value> <value>replacement</value></syntax> |
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505 <default>off</default> |
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506 <context>http</context> |
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507 <context>server</context> |
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508 <context>location</context> |
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509 <appeared-in>1.1.15</appeared-in> |
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510 |
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511 <para> |
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512 Sets a text that should be changed in the <literal>path</literal> |
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513 attribute of the <header>Set-Cookie</header> header fields of a |
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514 proxied server response. |
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515 Suppose a proxied server returned the header field |
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516 <header>Set-Cookie</header> with the attribute |
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517 “<literal>path=/two/some/uri/</literal>”. |
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518 The directive |
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519 <example> |
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520 proxy_cookie_path /two/ /; |
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521 </example> |
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522 will rewrite this attribute to |
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523 “<literal>path=/some/uri/</literal>”. |
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524 </para> |
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525 |
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526 <para> |
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527 The strings <value>path</value> and <value>replacement</value> |
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528 can contain variables: |
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529 <example> |
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530 proxy_cookie_path $uri /some$uri; |
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531 </example> |
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532 </para> |
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533 |
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534 <para> |
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535 A directive can also be specified using regular expressions. |
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536 In this case, <value>path</value> should either start from |
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537 the “<literal>~</literal>” symbol for a case-sensitive matching, |
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538 or from the “<literal>~*</literal>” symbols for case-insensitive |
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539 matching. |
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540 A regular expression can contain named and positional captures, |
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541 and <value>replacement</value> can reference them: |
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542 <example> |
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543 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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544 </example> |
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545 </para> |
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diff
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|
546 |
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diff
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|
547 <para> |
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548 There could be several <literal>proxy_cookie_path</literal> directives: |
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549 <example> |
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diff
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550 proxy_cookie_path /one/ /; |
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551 proxy_cookie_path / /two/; |
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552 </example> |
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553 </para> |
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|
554 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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diff
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|
555 <para> |
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diff
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|
556 The <literal>off</literal> parameter cancels all |
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557 <literal>proxy_cookie_path</literal> directives on the current level: |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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558 <example> |
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diff
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|
559 proxy_cookie_path off; |
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parents:
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|
560 proxy_cookie_path /two/ /; |
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561 proxy_cookie_path ~*^/user/([^/]+) /u/$1; |
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562 </example> |
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563 </para> |
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564 |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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565 </directive> |
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Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
566 |
cbc2d1b51cb6
Documented the proxy_cookie_domain and proxy_cookie_path directives.
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|
567 |
281
7142ddd2764c
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diff
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|
568 <directive name="proxy_hide_header"> |
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569 <syntax><value>field</value></syntax> |
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570 <default/> |
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571 <context>http</context> |
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572 <context>server</context> |
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|
573 <context>location</context> |
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574 |
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575 <para> |
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576 By default, |
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577 nginx does not pass the header fields <header>Date</header>, |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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578 <header>Server</header>, <header>X-Pad</header>, and |
7142ddd2764c
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diff
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|
579 <header>X-Accel-...</header> from the response of a proxied |
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Translated current version of ngx_http_proxy_module documentation into English.
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580 server to a client. |
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581 The <literal>proxy_hide_header</literal> directive sets additional fields |
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582 that will not be passed. |
294 | 583 If, on the contrary, the passing of fields needs to be permitted, |
281
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584 the <link id="proxy_pass_header"/> directive can be used. |
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585 </para> |
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586 |
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587 </directive> |
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588 |
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589 |
316
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590 <directive name="proxy_http_version"> |
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591 <syntax><literal>1.0</literal> | <literal>1.1</literal></syntax> |
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592 <default>1.0</default> |
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593 <context>http</context> |
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594 <context>server</context> |
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595 <context>location</context> |
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596 <appeared-in>1.1.4</appeared-in> |
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597 |
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598 <para> |
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599 Sets the HTTP protocol version for proxying. |
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600 By default, version 1.0 is used. |
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601 Version 1.1 is recommended for use with |
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602 <link doc="ngx_http_upstream_module.xml" id="keepalive"/> |
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603 connections. |
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604 </para> |
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605 |
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606 </directive> |
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607 |
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608 |
281
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609 <directive name="proxy_ignore_client_abort"> |
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610 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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611 <default>off</default> |
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612 <context>http</context> |
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613 <context>server</context> |
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614 <context>location</context> |
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615 |
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616 <para> |
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617 Determines should the connection with a proxied server be |
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618 closed if a client closes a connection without waiting |
294 | 619 for a response. |
281
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620 </para> |
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621 |
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622 </directive> |
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623 |
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624 |
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625 <directive name="proxy_ignore_headers"> |
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626 <syntax><value>field</value> ...</syntax> |
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627 <default/> |
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628 <context>http</context> |
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629 <context>server</context> |
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630 <context>location</context> |
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631 |
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632 <para> |
294 | 633 Disables processing of certain response header fields from the proxied server. |
281
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634 The following fields can be ignored: <header>X-Accel-Redirect</header>, |
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635 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
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636 <header>X-Accel-Buffering</header> (1.1.6), |
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637 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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638 <header>Cache-Control</header>, and <header>Set-Cookie</header> (0.8.44). |
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639 </para> |
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640 |
506
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641 <para> |
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642 If not disabled, processing of these header fields has the following effect: |
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643 <list type="bullet" compact="no"> |
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644 |
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645 <listitem> |
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646 <header>X-Accel-Expires</header>, <header>Expires</header>, |
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647 <header>Cache-Control</header>, and <header>Set-Cookie</header> |
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648 set parameters of response <link id="proxy_cache_valid">caching</link>; |
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649 </listitem> |
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650 |
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651 <listitem> |
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652 <header>X-Accel-Redirect</header> performs an |
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653 <link doc="ngx_http_core_module.xml" id="internal">internal |
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654 redirect</link> to the specified URI; |
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655 </listitem> |
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656 |
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657 <listitem> |
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658 <header>X-Accel-Limit-Rate</header> sets a |
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659 <link doc="ngx_http_core_module.xml" id="limit_rate">rate |
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660 limit</link> for transmission of a response to a client; |
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661 </listitem> |
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662 |
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663 <listitem> |
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664 <header>X-Accel-Buffering</header> enables or disables |
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665 <link id="proxy_buffering">buffering</link> of a response; |
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666 </listitem> |
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667 |
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668 <listitem> |
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669 <header>X-Accel-Charset</header> sets the desired |
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670 <link doc="ngx_http_charset_module.xml" id="charset"/> |
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671 of a response. |
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672 </listitem> |
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673 |
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674 </list> |
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675 </para> |
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676 |
281
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677 </directive> |
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678 |
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679 |
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680 <directive name="proxy_intercept_errors"> |
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681 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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682 <default>off</default> |
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683 <context>http</context> |
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684 <context>server</context> |
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685 <context>location</context> |
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686 |
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687 <para> |
297 | 688 Determines whether proxied responses with codes greater than or equal |
689 to 400 should be passed to a client or be redirected to nginx for processing | |
281
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690 using the <link doc="ngx_http_core_module.xml" id="error_page"/> directive. |
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691 </para> |
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692 |
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693 </directive> |
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694 |
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695 |
405
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696 <directive name="proxy_max_temp_file_size"> |
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697 <syntax><value>size</value></syntax> |
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698 <default>1024m</default> |
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699 <context>http</context> |
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364
diff
changeset
|
700 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
701 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
702 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
703 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
704 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
|
705 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
|
706 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
|
707 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
|
708 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
|
709 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
|
710 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
|
711 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
712 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
713 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
714 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
|
715 </para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
716 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
717 </directive> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
718 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
719 |
281
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parents:
diff
changeset
|
720 <directive name="proxy_next_upstream"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
721 <syntax> |
364 | 722 <literal>error</literal> | |
723 <literal>timeout</literal> | | |
724 <literal>invalid_header</literal> | | |
725 <literal>http_500</literal> | | |
726 <literal>http_502</literal> | | |
727 <literal>http_503</literal> | | |
728 <literal>http_504</literal> | | |
729 <literal>http_404</literal> | | |
730 <literal>off</literal> | |
731 ...</syntax> | |
281
7142ddd2764c
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parents:
diff
changeset
|
732 <default>error timeout</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
733 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
734 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
735 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
736 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
737 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
738 Specifies in which cases a request should be passed to the next server: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
739 <list type="tag"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
740 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
741 <tag-name><literal>error</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
742 <tag-desc>an error occurred while establishing a connection with the |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
743 server, passing it a request, or reading the response header;</tag-desc> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
744 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
745 <tag-name><literal>timeout</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
746 <tag-desc>a timeout has occurred while establishing a connection with the |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
747 server, passing it a request, or reading the response header;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
748 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
749 <tag-name><literal>invalid_header</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
750 <tag-desc>a server returned empty or invalid response;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
751 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
752 <tag-name><literal>http_500</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
753 <tag-desc>a server returned a response with the code 500;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
754 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
755 <tag-name><literal>http_502</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
756 <tag-desc>a server returned a response with the code 502;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
757 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
758 <tag-name><literal>http_503</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
759 <tag-desc>a server returned a response with the code 503;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
760 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
761 <tag-name><literal>http_504</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
762 <tag-desc>a server returned a response with the code 504;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
763 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
764 <tag-name><literal>http_404</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
765 <tag-desc>a server returned a response with the code 404;</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
766 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
767 <tag-name><literal>off</literal></tag-name> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
768 <tag-desc>disables passing a request to the next server.</tag-desc> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
769 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
770 </list> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
771 </para> |
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> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
774 It should be understood that passing a request to the next server is |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
775 only possible if a client was not sent anything yet. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
776 That is, if an error or a timeout occurs in the middle of |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
777 transferring a response, fixing this is impossible. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
778 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
779 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
780 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
781 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
782 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
783 <directive name="proxy_no_cache"> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
784 <syntax><value>string</value> ...</syntax> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
785 <default/> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
786 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
787 <context>server</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
788 <context>location</context> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
789 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
790 <para> |
294 | 791 Defines conditions under which the response will not be saved to a cache. |
281
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|
792 If at least one value of the string parameters is not empty and is not |
294 | 793 equal to “0” then the response will not be saved: |
281
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|
794 <example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
795 proxy_no_cache $cookie_nocache $arg_nocache$arg_comment; |
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parents:
diff
changeset
|
796 proxy_no_cache $http_pragma $http_authorization; |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
797 </example> |
7142ddd2764c
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parents:
diff
changeset
|
798 Can be used along with the <link id="proxy_cache_bypass"/> directive. |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
799 </para> |
7142ddd2764c
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parents:
diff
changeset
|
800 |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
801 </directive> |
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parents:
diff
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|
802 |
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parents:
diff
changeset
|
803 |
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parents:
diff
changeset
|
804 <directive name="proxy_pass"> |
7142ddd2764c
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parents:
diff
changeset
|
805 <syntax><value>URL</value></syntax> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
806 <default/> |
7142ddd2764c
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parents:
diff
changeset
|
807 <context>location</context> |
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parents:
diff
changeset
|
808 <context>if in location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
809 <context>limit_except</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
changeset
|
810 |
7142ddd2764c
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parents:
diff
changeset
|
811 <para> |
535
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
812 Sets the protocol and address of a proxied server, and an optional URI |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
813 to which a location should be mapped. |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
changeset
|
814 A protocol can be specified as |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
changeset
|
815 “<literal>http</literal>” or “<literal>https</literal>”. |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
816 An address can be specified as a domain name or IP address, |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
817 and an optional port: |
281
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diff
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|
818 <example> |
351
a4fa80755eab
Consistently strip initial offset in examples.
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diff
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|
819 proxy_pass http://localhost:8000/uri/; |
281
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|
820 </example> |
535
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
821 or as a UNIX-domain socket path specified after the word |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
822 “<literal>unix</literal>” and enclosed in colons: |
281
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|
823 <example> |
351
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824 proxy_pass http://unix:/tmp/backend.socket:/uri/; |
281
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|
825 </example> |
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|
826 </para> |
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Translated current version of ngx_http_proxy_module documentation into English.
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|
827 |
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|
828 <para> |
294 | 829 If a domain name resolves to several addresses, all of them will be |
281
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|
830 used in a round-robin fashion. |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
831 In addition, an address can be specified as a |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
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parents:
diff
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|
832 <link doc="ngx_http_upstream_module.xml">server group</link>. |
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parents:
diff
changeset
|
833 </para> |
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Ruslan Ermilov <ru@nginx.com>
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|
834 |
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|
835 <para> |
535
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diff
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|
836 A request URI is passed to the server as follows: |
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Revised description of "proxy_pass".
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|
837 <list type="bullet" compact="no"> |
281
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838 |
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|
839 <listitem> |
535
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840 If <literal>proxy_pass</literal> is specified with URI, |
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Revised description of "proxy_pass".
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|
841 when passing a request to the server, part of a |
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|
842 <link doc="ngx_http_core_module.xml" id="location">normalized</link> |
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843 request URI matching the location is replaced by a URI |
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|
844 specified in the directive: |
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Revised description of "proxy_pass".
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|
845 <example> |
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Revised description of "proxy_pass".
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|
846 location /name/ { |
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|
847 proxy_pass http://127.0.0.1/remote/; |
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|
848 } |
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|
849 </example> |
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|
850 </listitem> |
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|
851 |
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|
852 <listitem> |
535
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|
853 If <literal>proxy_pass</literal> is specified without URI, |
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Revised description of "proxy_pass".
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|
854 a request URI is passed to the server in the same form |
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Revised description of "proxy_pass".
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diff
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|
855 as sent by a client when processing an original request, |
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Revised description of "proxy_pass".
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|
856 or the full normalized request URI is passed |
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Revised description of "proxy_pass".
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diff
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|
857 when processing the changed URI: |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
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|
858 <example> |
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Revised description of "proxy_pass".
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|
859 location /some/path/ { |
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Revised description of "proxy_pass".
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|
860 proxy_pass http://127.0.0.1; |
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Revised description of "proxy_pass".
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diff
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|
861 } |
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Revised description of "proxy_pass".
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diff
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|
862 </example> |
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Revised description of "proxy_pass".
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diff
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|
863 <note> |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
864 Before version 1.1.12, |
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Revised description of "proxy_pass".
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|
865 if <literal>proxy_pass</literal> is specified without a URI, |
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Revised description of "proxy_pass".
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diff
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|
866 an original request URI might be passed |
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Revised description of "proxy_pass".
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diff
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|
867 instead of the changed URI in some cases. |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
868 </note> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
869 </listitem> |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
870 </list> |
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Revised description of "proxy_pass".
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parents:
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diff
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|
871 </para> |
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
872 |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
873 <para> |
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Revised description of "proxy_pass".
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parents:
508
diff
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|
874 In some cases, part of a request URI to be replaced cannot be determined: |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
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|
875 <list type="bullet" compact="no"> |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
876 |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
877 <listitem> |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
878 When location is specified using a regular expression. |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
879 <para> |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
880 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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|
881 </para> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
882 </listitem> |
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parents:
508
diff
changeset
|
883 |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
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|
884 <listitem> |
f8652d663b62
Revised description of "proxy_pass".
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parents:
508
diff
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|
885 When URI is changed inside a proxied location using the |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
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|
886 <link doc="ngx_http_rewrite_module.xml" id="rewrite"/> directive, |
f8652d663b62
Revised description of "proxy_pass".
Ruslan Ermilov <ru@nginx.com>
parents:
508
diff
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|
887 and this same configuration will be used to process a request |
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
888 (<literal>break</literal>): |
281
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diff
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|
889 <example> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
890 location /name/ { |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
891 rewrite /name/([^/]+) /users?name=$1 break; |
7142ddd2764c
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parents:
diff
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|
892 proxy_pass http://127.0.0.1; |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
893 } |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
894 </example> |
535
f8652d663b62
Revised description of "proxy_pass".
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508
diff
changeset
|
895 <para> |
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Revised description of "proxy_pass".
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parents:
508
diff
changeset
|
896 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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parents:
508
diff
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|
897 the full changed request URI is passed to the server. |
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Revised description of "proxy_pass".
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diff
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|
898 </para> |
281
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|
899 </listitem> |
7142ddd2764c
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|
900 </list> |
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parents:
diff
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|
901 </para> |
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parents:
diff
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|
902 |
7142ddd2764c
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parents:
diff
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|
903 <para> |
535
f8652d663b62
Revised description of "proxy_pass".
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diff
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|
904 A server name, its port and passed URI can also be specified using variables: |
281
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|
905 <example> |
351
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|
906 proxy_pass http://$host$uri; |
281
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parents:
diff
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|
907 </example> |
535
f8652d663b62
Revised description of "proxy_pass".
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508
diff
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|
908 or even like this: |
281
7142ddd2764c
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|
909 <example> |
351
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|
910 proxy_pass $request; |
281
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|
911 </example> |
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parents:
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|
912 </para> |
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|
913 |
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parents:
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|
914 <para> |
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parents:
diff
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|
915 In this case the server name is searched among the described |
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parents:
diff
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|
916 <link doc="ngx_http_upstream_module.xml">server groups</link>, |
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parents:
diff
changeset
|
917 and if not found is determined using a |
7142ddd2764c
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parents:
diff
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|
918 <link doc="ngx_http_core_module.xml" id="resolver"/>. |
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parents:
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|
919 </para> |
7142ddd2764c
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|
920 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
921 </directive> |
7142ddd2764c
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parents:
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|
922 |
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diff
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|
923 |
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parents:
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|
924 <directive name="proxy_pass_header"> |
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parents:
diff
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|
925 <syntax><value>field</value></syntax> |
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parents:
diff
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|
926 <default/> |
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parents:
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|
927 <context>http</context> |
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parents:
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|
928 <context>server</context> |
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parents:
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|
929 <context>location</context> |
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|
930 |
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parents:
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|
931 <para> |
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|
932 Permits to pass <link id="proxy_hide_header">otherwise disabled</link> header |
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|
933 fields from a proxied server to a client. |
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|
934 </para> |
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|
935 |
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|
936 </directive> |
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|
937 |
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|
938 |
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|
939 <directive name="proxy_read_timeout"> |
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|
940 <syntax><value>time</value></syntax> |
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parents:
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|
941 <default>60s</default> |
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|
942 <context>http</context> |
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parents:
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943 <context>server</context> |
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944 <context>location</context> |
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945 |
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946 <para> |
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947 Defines a timeout for reading a response from the proxied server. |
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948 A timeout is only set between two successive read operations, |
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|
949 not for the transmission of the whole response. |
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950 If a proxied server does not transmit anything within this time, |
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951 a connection is closed. |
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952 </para> |
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|
953 |
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954 </directive> |
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955 |
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956 |
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957 <directive name="proxy_redirect"> |
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958 <syntax><literal>default</literal></syntax> |
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959 <syntax><literal>off</literal></syntax> |
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960 <syntax><value>redirect</value> <value>replacement</value></syntax> |
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961 <default>default</default> |
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962 <context>http</context> |
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963 <context>server</context> |
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964 <context>location</context> |
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965 |
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966 <para> |
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967 Sets a text that should be changed in the header fields |
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968 <header>Location</header> and <header>Refresh</header> of a response |
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969 from the proxied server. |
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970 Suppose a proxied server returned the header field |
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971 “<literal>Location: http://localhost:8000/two/some/uri/</literal>”. |
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972 The directive |
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973 <example> |
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974 proxy_redirect http://localhost:8000/two/ http://frontend/one/; |
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975 </example> |
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976 will rewrite this string to |
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977 “<literal>Location: http://frontend/one/some/uri/</literal>”. |
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978 </para> |
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979 |
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980 <para> |
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981 A server name may be omitted from the <value>replacement</value> string: |
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982 <example> |
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983 proxy_redirect http://localhost:8000/two/ /; |
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984 </example> |
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985 then the primary server’s name and a port, if different from 80, |
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986 will be substituted. |
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987 </para> |
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988 |
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989 <para> |
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990 The default replacement specified by the <literal>default</literal> parameter |
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991 uses the parameters of the |
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992 <link doc="ngx_http_core_module.xml" id="location"/> and |
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993 <link id="proxy_pass"/> directives. |
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994 Hence, the two configurations below are equivalent: |
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995 <example> |
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996 location /one/ { |
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997 proxy_pass http://upstream:port/two/; |
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998 proxy_redirect default; |
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999 </example> |
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1000 |
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1001 <example> |
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1002 location /one/ { |
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1003 proxy_pass http://upstream:port/two/; |
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1004 proxy_redirect http://upstream:port/two/ /one/; |
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1005 </example> |
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1006 The <literal>default</literal> parameter is not permitted if |
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1007 <link id="proxy_pass"/> is specified using variables. |
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1008 </para> |
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1009 |
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1010 <para> |
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1011 A <value>replacement</value> string can contain variables: |
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1012 <example> |
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1013 proxy_redirect http://localhost:8000/ http://$host:$server_port/; |
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1014 </example> |
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1015 </para> |
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1016 |
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1017 <para> |
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1018 A <value>redirect</value> can also contain (1.1.11) variables: |
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1019 <example> |
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1020 proxy_redirect http://$proxy_host:8000/ /; |
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1021 </example> |
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1022 </para> |
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1023 |
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1024 <para> |
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1025 A directive can be specified (1.1.11) using regular expressions. |
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1026 In this case, <value>redirect</value> should either start from |
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1027 the “<literal>~</literal>” symbol for a case-sensitive matching, |
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1028 or from the “<literal>~*</literal>” symbols for case-insensitive |
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1029 matching. |
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1030 A regular expression can contain named and positional captures, |
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1031 and <value>replacement</value> can reference them: |
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1032 <example> |
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1033 proxy_redirect ~^(http://[^:]+):\d+(/.+)$ $1$2; |
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1034 proxy_redirect ~*/user/([^/]+)/(.+)$ http://$1.example.com/$2; |
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1035 </example> |
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1036 </para> |
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1037 |
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1038 <para> |
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1039 There could be several <literal>proxy_redirect</literal> directives: |
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1040 <example> |
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1041 proxy_redirect default; |
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1042 proxy_redirect http://localhost:8000/ /; |
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1043 proxy_redirect http://www.example.com/ /; |
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1044 </example> |
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1045 </para> |
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1046 |
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1047 <para> |
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1048 The <literal>off</literal> parameter cancels all |
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1049 <literal>proxy_redirect</literal> directives on the current level: |
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1050 <example> |
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1051 proxy_redirect off; |
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1052 proxy_redirect default; |
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1053 proxy_redirect http://localhost:8000/ /; |
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1054 proxy_redirect http://www.example.com/ /; |
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1055 </example> |
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1056 </para> |
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1057 |
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1058 <para> |
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|
1059 Using this directive it is also possible to add host names to relative |
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|
1060 redirects issued by a proxied server: |
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1061 <example> |
351
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1062 proxy_redirect / /; |
281
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1063 </example> |
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1064 </para> |
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1065 |
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1066 </directive> |
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1067 |
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1068 |
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1069 <directive name="proxy_send_timeout"> |
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1070 <syntax><value>time</value></syntax> |
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1071 <default>60s</default> |
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1072 <context>http</context> |
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1073 <context>server</context> |
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1074 <context>location</context> |
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1075 |
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1076 <para> |
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1077 Sets a timeout for transmitting a request to the proxied server. |
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1078 A timeout is only set between two successive write operations, |
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1079 not for the transmission of the whole request. |
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1080 If a proxied server does not receive anything within this time, |
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1081 a connection is closed. |
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1082 </para> |
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1083 |
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1084 </directive> |
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1085 |
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1086 |
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|
1087 <directive name="proxy_set_header"> |
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1088 <syntax><value>field</value> <value>value</value></syntax> |
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1089 <default>Host $proxy_host</default> |
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1090 <default>Connection close</default> |
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1091 <context>http</context> |
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1092 <context>server</context> |
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1093 <context>location</context> |
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1094 |
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|
1095 <para> |
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|
1096 Allows to redefine or append fields to the request header |
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1097 passed to the proxied server. |
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1098 A <value>value</value> can contain text, variables, and their combination. |
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|
1099 These directives are inherited from the previous level if and |
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1100 only if there are no |
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1101 <literal>proxy_set_header</literal> |
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1102 directives defined on the current level. |
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1103 By default, only two fields are redefined: |
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1104 <example> |
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1105 proxy_set_header Host $proxy_host; |
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1106 proxy_set_header Connection close; |
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1107 </example> |
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1108 </para> |
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1109 |
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1110 <para> |
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1111 An unchanged <header>Host</header> request header field can be passed like this: |
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1112 <example> |
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1113 proxy_set_header Host $http_host; |
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1114 </example> |
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1115 </para> |
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1116 |
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|
1117 <para> |
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1118 However, if this field is not present in a client request header then |
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1119 nothing will be passed. |
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|
1120 In such a case it is better to use the <var>$host</var> variable—its |
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1121 value equals the server name in the <header>Host</header> request header |
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1122 field, or the primary server name if this field is not present: |
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1123 <example> |
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1124 proxy_set_header Host $host; |
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1125 </example> |
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1126 </para> |
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1127 |
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1128 <para> |
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1129 In addition, a server name can be passed together with a port of the |
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|
1130 proxied server: |
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|
1131 <example> |
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|
1132 proxy_set_header Host $host:$proxy_port; |
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1133 </example> |
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1134 </para> |
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|
1135 |
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|
1136 <para> |
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1137 If the value of a header field is an empty string then this |
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|
1138 field will not be passed to a proxied server: |
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|
1139 <example> |
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|
1140 proxy_set_header Accept-Encoding ""; |
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|
1141 </example> |
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|
1142 </para> |
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|
1143 |
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1144 </directive> |
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|
1145 |
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|
1146 |
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|
1147 <directive name="proxy_ssl_session_reuse"> |
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1148 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
1149 <default>on</default> |
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|
1150 <context>http</context> |
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|
1151 <context>server</context> |
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1152 <context>location</context> |
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|
1153 |
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|
1154 <para> |
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|
1155 Determines whether SSL sessions can be reused when working with |
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|
1156 the proxied server. |
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|
1157 If the errors |
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|
1158 “<literal>SSL3_GET_FINISHED:digest check failed</literal>” |
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|
1159 appear in the logs, try to disable session reuse. |
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1160 </para> |
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|
1161 |
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|
1162 </directive> |
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|
1163 |
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|
1164 |
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|
1165 <directive name="proxy_store"> |
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1166 <syntax> |
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1167 <literal>on</literal> | |
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1168 <literal>off</literal> | |
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1169 <value>string</value></syntax> |
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|
1170 <default>off</default> |
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1171 <context>http</context> |
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1172 <context>server</context> |
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|
1173 <context>location</context> |
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1174 |
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Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1175 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1176 Enables saving of files to a disk. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1177 The <literal>on</literal> parameter saves files with paths |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1178 corresponding to the directives |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1179 <link doc="ngx_http_core_module.xml" id="alias"/> or |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1180 <link doc="ngx_http_core_module.xml" id="root"/>. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1181 The <literal>off</literal> parameter disables saving of files. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1182 In addition, the file name can be set explicitly using the |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1183 <value>string</value> with variables: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1184 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1185 proxy_store /data/www$original_uri; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1186 </example> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1187 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1188 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1189 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1190 The modification time of files is set according to the received |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1191 <header>Last-Modified</header> response header field. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1192 A response is first written to a temporary file, then a file is renamed. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1193 Starting from version 0.8.9 temporary files and the persistent store |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1194 can be put on different file systems but be aware that in this case |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1195 a file is copied across two file systems instead of the cheap rename operation. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1196 It is thus recommended that for any given location both saved files and a |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1197 directory holding temporary files set by the <link id="proxy_temp_path"/> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1198 directive are put on the same file system. |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1199 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
1200 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1201 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1202 This directive can be used to create local copies of static unchangeable |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1203 files, e.g.: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1204 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1205 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1206 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1207 open_file_cache_errors off; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1208 error_page 404 = /fetch$uri; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1209 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1210 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1211 location /fetch/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1212 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1213 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1214 proxy_pass http://backend/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1215 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1216 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
|
1217 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
|
1218 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1219 alias /data/www/; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1220 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1221 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1222 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1223 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1224 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1225 or like this: |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1226 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1227 location /images/ { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1228 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1229 error_page 404 = @fetch; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1230 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1231 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1232 location @fetch { |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1233 internal; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1234 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1235 proxy_pass http://backend; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1236 proxy_store on; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1237 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
|
1238 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
|
1239 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1240 root /data/www; |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1241 } |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1242 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1243 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1244 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1245 </directive> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1246 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1247 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1248 <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
|
1249 <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
|
1250 <default>user:rw</default> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1251 <context>http</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1252 <context>server</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1253 <context>location</context> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1254 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1255 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1256 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
|
1257 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1258 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
|
1259 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1260 </para> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1261 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1262 <para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1263 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
|
1264 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
|
1265 <example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1266 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
|
1267 </example> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1268 </para> |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1269 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1270 </directive> |
7142ddd2764c
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1271 |
7142ddd2764c
Translated current version of ngx_http_proxy_module documentation into English.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
1272 |
405
781b23ba3b0a
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364
diff
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|
1273 <directive name="proxy_temp_file_write_size"> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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364
diff
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|
1274 <syntax><value>size</value></syntax> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
diff
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|
1275 <default>8k|16k</default> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
diff
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|
1276 <context>http</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
diff
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|
1277 <context>server</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1278 <context>location</context> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
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parents:
364
diff
changeset
|
1279 |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
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364
diff
changeset
|
1280 <para> |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
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|
1281 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
|
1282 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
|
1283 to temporary files is enabled. |
781b23ba3b0a
Documented the following directives: proxy_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
1284 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
|
1285 <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
|
1286 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
|
1287 <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
|
1288 </para> |
781b23ba3b0a
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1289 |
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1290 </directive> |
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1291 |
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1292 |
281
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1293 <directive name="proxy_temp_path"> |
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1294 <syntax> |
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1295 <value>path</value> |
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1296 [<value>level1</value> |
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1297 [<value>level2</value> |
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1298 [<value>level3</value>]]]</syntax> |
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1299 <default>proxy_temp</default> |
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1300 <context>http</context> |
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1301 <context>server</context> |
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1302 <context>location</context> |
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1303 |
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1304 <para> |
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1305 Defines a directory for storing temporary files |
405
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1306 with data received from proxied servers. |
281
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1307 Up to three-level subdirectory hierarchy can be used underneath the specified |
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1308 directory. |
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1309 For example, in the following configuration |
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1310 <example> |
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1311 proxy_temp_path /spool/nginx/proxy_temp 1 2; |
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1312 </example> |
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1313 a temporary file might look like this: |
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1314 <example> |
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1315 /spool/nginx/proxy_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
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1316 </example> |
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1317 </para> |
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1318 |
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1319 </directive> |
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1320 |
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1321 </section> |
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1322 |
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1323 |
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1324 <section id="variables" name="Embedded Variables"> |
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1325 |
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1326 <para> |
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1327 The <literal>ngx_http_proxy_module</literal> module supports embedded variables |
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1328 that can be used to compose headers using the |
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1329 <link id="proxy_set_header"/> directive: |
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1330 <list type="tag"> |
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1331 |
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1332 <tag-name><var>$proxy_host</var></tag-name> |
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1333 <tag-desc>name and port of a proxied server;</tag-desc> |
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1334 |
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1335 <tag-name><var>$proxy_port</var></tag-name> |
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1336 <tag-desc>port of a proxied server;</tag-desc> |
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1337 |
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1338 <tag-name><var>$proxy_add_x_forwarded_for</var></tag-name> |
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1339 <tag-desc>the <header>X-Forwarded-For</header> client request header field |
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1340 with the <var>$remote_addr</var> variable appended to it, separated by a comma. |
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1341 If the <header>X-Forwarded-For</header> field is not present in the client |
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1342 request header, the <var>$proxy_add_x_forwarded_for</var> variable is equal |
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1343 to the <var>$remote_addr</var> variable.</tag-desc> |
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1344 </list> |
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1345 </para> |
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1346 |
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1347 </section> |
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1348 |
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1349 </module> |