Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_fastcgi_module.xml @ 966:95c3c3bbf1ce
Text review.
author | Egor Nikitin <yegor.nikitin@gmail.com> |
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date | Wed, 14 Aug 2013 12:03:41 +0400 |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
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10 <module name="Module ngx_http_fastcgi_module" |
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11 link="/en/docs/http/ngx_http_fastcgi_module.html" |
589 | 12 lang="en" |
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13 rev="9"> |
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14 |
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15 <section id="summary"> |
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16 |
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17 <para> |
966 | 18 The <literal>ngx_http_fastcgi_module</literal> module allows passing |
298
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19 requests to a FastCGI server. |
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20 </para> |
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21 |
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22 </section> |
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23 |
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24 |
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25 <section id="example" name="Example Configuration"> |
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26 |
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27 <para> |
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28 <example> |
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29 location / { |
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30 fastcgi_pass localhost:9000; |
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31 fastcgi_index index.php; |
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32 |
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33 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
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34 fastcgi_param QUERY_STRING $query_string; |
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35 fastcgi_param REQUEST_METHOD $request_method; |
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36 fastcgi_param CONTENT_TYPE $content_type; |
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37 fastcgi_param CONTENT_LENGTH $content_length; |
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38 } |
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39 </example> |
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40 </para> |
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41 |
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42 </section> |
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43 |
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44 |
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45 <section id="directives" name="Directives"> |
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46 |
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47 <directive name="fastcgi_bind"> |
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48 <syntax><value>address</value> | <literal>off</literal></syntax> |
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49 <default/> |
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50 <context>http</context> |
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51 <context>server</context> |
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52 <context>location</context> |
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53 <appeared-in>0.8.22</appeared-in> |
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54 |
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55 <para> |
966 | 56 Makes outgoing connections to a FastCGI server originate |
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57 from the specified local IP <value>address</value>. |
966 | 58 Parameter value can contain variables (1.3.12). |
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59 The special value <literal>off</literal> (1.3.12) cancels the effect |
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60 of the <literal>fastcgi_bind</literal> directive |
966 | 61 inherited from the previous configuration level, which allows the |
62 system to auto-assign the local IP address. | |
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63 </para> |
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64 |
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65 </directive> |
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66 |
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67 |
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68 <directive name="fastcgi_buffer_size"> |
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69 <syntax><value>size</value></syntax> |
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70 <default>4k|8k</default> |
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71 <context>http</context> |
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72 <context>server</context> |
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73 <context>location</context> |
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74 |
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75 <para> |
966 | 76 Sets the <value>size</value> of the buffer used for reading the first part |
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77 of a response received from the FastCGI server. |
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78 This part usually contains a small response header. |
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79 By default, the buffer size is equal to the size of one |
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80 buffer set by the <link id="fastcgi_buffers"/> directive. |
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81 It can be made smaller however. |
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82 </para> |
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83 |
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84 </directive> |
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85 |
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86 |
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87 <directive name="fastcgi_buffers"> |
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88 <syntax><value>number</value> <value>size</value></syntax> |
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89 <default>8 4k|8k</default> |
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90 <context>http</context> |
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91 <context>server</context> |
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92 <context>location</context> |
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93 |
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94 <para> |
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95 Sets the <value>number</value> and <value>size</value> of |
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96 buffers used for reading a response from the FastCGI server, |
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97 for a single connection. |
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98 By default, the buffer size is equal to one memory page. |
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99 This is either 4K or 8K, depending on a platform. |
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100 </para> |
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101 |
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102 </directive> |
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103 |
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104 |
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105 <directive name="fastcgi_busy_buffers_size"> |
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106 <syntax><value>size</value></syntax> |
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107 <default>8k|16k</default> |
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108 <context>http</context> |
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109 <context>server</context> |
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110 <context>location</context> |
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111 |
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112 <para> |
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113 Limits the total <value>size</value> of buffers that |
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114 can be busy sending a response to the client while the response is not |
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115 yet fully read. |
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116 In the mean time, the rest of the buffers can be used for reading a response |
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117 and, if needed, buffering part of a response to a temporary file. |
966 | 118 By default, <value>size</value> is limited by the size of two buffers set by the |
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119 <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/> directives. |
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120 </para> |
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121 |
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122 </directive> |
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123 |
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124 |
298
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125 <directive name="fastcgi_cache"> |
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126 <syntax><value>zone</value> | <literal>off</literal></syntax> |
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127 <default>off</default> |
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128 <context>http</context> |
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129 <context>server</context> |
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130 <context>location</context> |
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131 |
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132 <para> |
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133 Defines a shared memory zone used for caching. |
298
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134 The same zone can be used in several places. |
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135 The <literal>off</literal> parameter disables caching inherited |
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136 from the previous configuration level. |
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137 </para> |
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138 |
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139 </directive> |
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140 |
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141 |
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142 <directive name="fastcgi_cache_bypass"> |
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143 <syntax><value>string</value> ...</syntax> |
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144 <default/> |
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145 <context>http</context> |
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146 <context>server</context> |
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147 <context>location</context> |
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148 |
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149 <para> |
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150 Defines conditions under which the response will not be taken from a cache. |
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151 If at least one value of the string parameters is not empty and is not |
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152 equal to “0” then the response will not be taken from the cache: |
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153 <example> |
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154 fastcgi_cache_bypass $cookie_nocache $arg_nocache$arg_comment; |
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155 fastcgi_cache_bypass $http_pragma $http_authorization; |
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156 </example> |
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157 Can be used along with the <link id="fastcgi_no_cache"/> directive. |
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158 </para> |
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159 |
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160 </directive> |
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161 |
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162 |
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163 <directive name="fastcgi_cache_key"> |
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164 <syntax><value>string</value></syntax> |
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165 <default/> |
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166 <context>http</context> |
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167 <context>server</context> |
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168 <context>location</context> |
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169 |
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170 <para> |
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171 Defines a key for caching, for example |
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172 <example> |
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173 fastcgi_cache_key localhost:9000$request_uri; |
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174 </example> |
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175 </para> |
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176 |
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177 </directive> |
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178 |
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179 |
302
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180 <directive name="fastcgi_cache_lock"> |
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181 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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182 <default>off</default> |
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183 <context>http</context> |
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184 <context>server</context> |
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185 <context>location</context> |
310
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186 <appeared-in>1.1.12</appeared-in> |
302
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187 |
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188 <para> |
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189 When enabled, only one request at a time will be allowed to populate |
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190 a new cache element identified according to the <link id="fastcgi_cache_key"/> |
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191 directive by passing a request to a FastCGI server. |
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192 Other requests of the same cache element will either wait |
966 | 193 for a response to appear in the cache or the cache lock for |
302
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194 this element to be released, up to the time set by the |
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195 <link id="fastcgi_cache_lock_timeout"/> directive. |
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196 </para> |
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197 |
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198 </directive> |
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199 |
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200 |
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201 <directive name="fastcgi_cache_lock_timeout"> |
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202 <syntax><value>time</value></syntax> |
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203 <default>5s</default> |
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204 <context>http</context> |
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205 <context>server</context> |
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206 <context>location</context> |
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207 <appeared-in>1.1.12</appeared-in> |
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208 |
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209 <para> |
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210 Sets a timeout for <link id="fastcgi_cache_lock"/>. |
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211 </para> |
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212 |
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213 </directive> |
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214 |
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215 |
793
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216 <directive name="fastcgi_cache_methods"> |
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217 <syntax> |
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218 <literal>GET</literal> | |
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219 <literal>HEAD</literal> | |
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220 <literal>POST</literal> |
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221 ...</syntax> |
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222 <default>GET HEAD</default> |
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223 <context>http</context> |
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224 <context>server</context> |
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225 <context>location</context> |
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226 <appeared-in>0.7.59</appeared-in> |
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227 |
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228 <para> |
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229 If the client request method is listed in this directive then |
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230 the response will be cached. |
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231 “<literal>GET</literal>” and “<literal>HEAD</literal>” methods are always |
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232 added to the list, though it is recommended to specify them explicitly. |
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233 See also the <link id="fastcgi_no_cache"/> directive. |
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234 </para> |
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235 |
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236 </directive> |
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237 |
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238 |
298
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239 <directive name="fastcgi_cache_min_uses"> |
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240 <syntax><value>number</value></syntax> |
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241 <default>1</default> |
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242 <context>http</context> |
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243 <context>server</context> |
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244 <context>location</context> |
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245 |
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246 <para> |
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247 Sets the <value>number</value> of requests after which the response |
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248 will be cached. |
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249 </para> |
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250 |
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251 </directive> |
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252 |
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253 |
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254 <directive name="fastcgi_cache_path"> |
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255 <syntax> |
364 | 256 <value>path</value> |
257 [<literal>levels</literal>=<value>levels</value>] | |
258 <literal>keys_zone</literal>=<value>name</value>:<value>size</value> | |
259 [<literal>inactive</literal>=<value>time</value>] | |
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260 [<literal>max_size</literal>=<value>size</value>] |
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261 [<literal>loader_files</literal>=<value>number</value>] |
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262 [<literal>loader_sleep</literal>=<value>time</value>] |
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263 [<literal>loader_threshold</literal>=<value>time</value>]</syntax> |
298
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264 <default/> |
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265 <context>http</context> |
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266 |
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267 <para> |
966 | 268 Sets the path and other parameters of a cache. |
298
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269 Cache data are stored in files. |
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270 Both the key and file name in a cache are a result of |
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271 applying the MD5 function to the proxied URL. |
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272 |
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273 The <literal>levels</literal> parameter defines hierarchy levels of a cache. |
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274 For example, in the following configuration |
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275 <example> |
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276 fastcgi_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; |
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277 </example> |
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278 file names in a cache will look like this: |
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279 <example> |
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280 /data/nginx/cache/<emphasis>c</emphasis>/<emphasis>29</emphasis>/b7f54b2df7773722d382f4809d650<emphasis>29c</emphasis> |
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281 </example> |
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282 </para> |
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283 |
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284 <para> |
966 | 285 A cached response is first written to a temporary file, |
286 and then the file is renamed. | |
287 Starting from version 0.8.9, temporary files and the cache can be put on | |
288 different file systems. | |
289 However, be aware that in this case a file is copied | |
290 across two file systems instead of the cheap renaming operation. | |
298
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291 It is thus recommended that for any given location both cache and a directory |
966 | 292 holding temporary files, set by the <link id="fastcgi_temp_path"/> directive, |
298
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293 are put on the same file system. |
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294 </para> |
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295 |
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296 <para> |
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297 In addition, all active keys and information about data are stored |
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298 in a shared memory zone, whose <value>name</value> and <value>size</value> |
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299 are configured by the <literal>keys_zone</literal> parameter. |
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300 Cached data that are not accessed during the time specified by the |
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301 <literal>inactive</literal> parameter get removed from the cache |
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302 regardless of their freshness. |
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303 By default, <literal>inactive</literal> is set to 10 minutes. |
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304 </para> |
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305 |
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306 <para> |
966 | 307 The special “cache manager” process monitors the maximum cache size set |
308 by the <literal>max_size</literal> parameter. | |
309 When this size is exceeded, it removes the least recently used data. | |
298
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310 </para> |
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311 |
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312 <para> |
966 | 313 A minute after the start the special “cache loader” process is activated. |
314 It loads information about previously cached data stored on file system | |
508
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315 into a cache zone. |
966 | 316 The loading is done in iterations. |
508
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317 During one iteration no more than <literal>loader_files</literal> items |
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318 are loaded (by default, 100). |
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319 Besides, the duration of one iteration is limited by the |
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320 <literal>loader_threshold</literal> parameter (by default, 200 milliseconds). |
966 | 321 Between iterations, a pause configured by the <literal>loader_sleep</literal> |
322 parameter (by default, 50 milliseconds) is made. | |
508
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323 </para> |
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324 |
298
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325 </directive> |
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326 |
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327 |
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328 <directive name="fastcgi_cache_use_stale"> |
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329 <syntax> |
364 | 330 <literal>error</literal> | |
331 <literal>timeout</literal> | | |
332 <literal>invalid_header</literal> | | |
333 <literal>updating</literal> | | |
334 <literal>http_500</literal> | | |
335 <literal>http_503</literal> | | |
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336 <literal>http_403</literal> | |
364 | 337 <literal>http_404</literal> | |
338 <literal>off</literal> | |
339 ...</syntax> | |
298
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340 <default>off</default> |
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341 <context>http</context> |
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342 <context>server</context> |
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343 <context>location</context> |
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344 |
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345 <para> |
966 | 346 Determines in which cases a stale cached response can be used |
347 when an error occurs during communication with the FastCGI server. | |
348 The directive’s parameters match the parameters of the | |
298
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349 <link id="fastcgi_next_upstream"/> directive. |
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350 </para> |
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351 |
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352 <para> |
298
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353 Additionally, the <literal>updating</literal> parameter permits |
966 | 354 using a stale cached response if it is currently being updated. |
355 This allows minimizing the number of accesses to FastCGI servers | |
505
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356 when updating cached data. |
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357 </para> |
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358 |
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359 <para> |
509 | 360 To minimize the number of accesses to FastCGI servers when |
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361 populating a new cache element, the <link id="fastcgi_cache_lock"/> |
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362 directive can be used. |
298
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363 </para> |
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364 |
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365 </directive> |
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366 |
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367 |
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368 <directive name="fastcgi_cache_valid"> |
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369 <syntax>[<value>code</value> ...] <value>time</value></syntax> |
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370 <default/> |
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371 <context>http</context> |
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372 <context>server</context> |
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373 <context>location</context> |
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374 |
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375 <para> |
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376 Sets caching time for different response codes. |
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377 For example, the following directives |
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378 <example> |
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379 fastcgi_cache_valid 200 302 10m; |
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380 fastcgi_cache_valid 404 1m; |
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381 </example> |
966 | 382 set 10 minutes of caching for responses with codes 200 and 302 |
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383 and 1 minute for responses with code 404. |
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384 </para> |
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385 |
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386 <para> |
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387 If only caching <value>time</value> is specified |
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388 <example> |
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389 fastcgi_cache_valid 5m; |
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390 </example> |
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391 then only 200, 301, and 302 responses are cached. |
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392 </para> |
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393 |
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394 <para> |
966 | 395 In addition, the <literal>any</literal> parameter can be specified |
396 to cache any responses: | |
298
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397 <example> |
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398 fastcgi_cache_valid 200 302 10m; |
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399 fastcgi_cache_valid 301 1h; |
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400 fastcgi_cache_valid any 1m; |
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401 </example> |
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402 </para> |
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403 |
506
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404 <para> |
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405 Parameters of caching can also be set directly |
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406 in the response header. |
966 | 407 This has higher priority than setting of caching time using the directive. |
506
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408 The <header>X-Accel-Expires</header> header field sets caching time of a |
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409 response in seconds. |
966 | 410 The zero value disables caching for a response. |
411 If a value starts with the <literal>@</literal> prefix, it sets an absolute | |
506
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412 time in seconds since Epoch, up to which the response may be cached. |
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413 If header does not include the <header>X-Accel-Expires</header> field, |
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414 parameters of caching may be set in the header fields |
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415 <header>Expires</header> or <header>Cache-Control</header>. |
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416 If a header includes the <header>Set-Cookie</header> field, such a |
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417 response will not be cached. |
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418 Processing of one or more of these response header fields can be disabled |
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419 using the <link id="fastcgi_ignore_headers"/> directive. |
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420 </para> |
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421 |
298
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422 </directive> |
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423 |
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424 |
862
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425 <directive name="fastcgi_catch_stderr"> |
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426 <syntax><value>string</value></syntax> |
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427 <default/> |
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428 <context>http</context> |
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429 <context>server</context> |
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430 <context>location</context> |
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431 |
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432 <para> |
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433 Sets a string to search for in the error stream of a response |
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434 received from a FastCGI server. |
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435 If the <value>string</value> is found then it is considered that the FastCGI |
966 | 436 server has returned an <link id="fastcgi_next_upstream">invalid response</link>. |
437 This allows handling application errors in nginx, for example: | |
862
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438 <example> |
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439 location /php { |
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440 fastcgi_pass backend:9000; |
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441 ... |
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442 fastcgi_catch_stderr "PHP Fatal error"; |
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443 fastcgi_next_upstream error timeout invalid_header; |
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444 } |
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445 </example> |
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446 </para> |
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447 |
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448 </directive> |
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449 |
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450 |
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451 <directive name="fastcgi_connect_timeout"> |
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452 <syntax><value>time</value></syntax> |
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453 <default>60s</default> |
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454 <context>http</context> |
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455 <context>server</context> |
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456 <context>location</context> |
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457 |
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458 <para> |
966 | 459 Defines a timeout for establishing a connection with a FastCGI server. |
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460 It should be noted that this timeout cannot usually exceed 75 seconds. |
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461 </para> |
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462 |
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463 </directive> |
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464 |
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465 |
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466 <directive name="fastcgi_hide_header"> |
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467 <syntax><value>field</value></syntax> |
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468 <default/> |
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469 <context>http</context> |
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470 <context>server</context> |
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471 <context>location</context> |
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472 |
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473 <para> |
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474 By default, |
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475 nginx does not pass the header fields <header>Status</header> and |
966 | 476 <header>X-Accel-...</header> from the response of a FastCGI |
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477 server to a client. |
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478 The <literal>fastcgi_hide_header</literal> directive sets additional fields |
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479 that will not be passed. |
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480 If, on the contrary, the passing of fields needs to be permitted, |
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481 the <link id="fastcgi_pass_header"/> directive can be used. |
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482 </para> |
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483 |
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484 </directive> |
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485 |
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486 |
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487 <directive name="fastcgi_ignore_client_abort"> |
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488 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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489 <default>off</default> |
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490 <context>http</context> |
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491 <context>server</context> |
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492 <context>location</context> |
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493 |
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494 <para> |
966 | 495 Determines whether the connection with a FastCGI server should be |
496 closed when a client closes a connection without waiting | |
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497 for a response. |
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498 </para> |
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499 |
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500 </directive> |
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501 |
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502 |
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503 <directive name="fastcgi_ignore_headers"> |
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504 <syntax><value>field</value> ...</syntax> |
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505 <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 |
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510 <para> |
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511 Disables processing of certain response header fields from the FastCGI server. |
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512 The following fields can be ignored: <header>X-Accel-Redirect</header>, |
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513 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
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514 <header>X-Accel-Buffering</header> (1.1.6), |
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515 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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516 <header>Cache-Control</header>, and <header>Set-Cookie</header> (0.8.44). |
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517 </para> |
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518 |
506
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519 <para> |
966 | 520 If not disabled, processing of these header fields has the following |
521 effect: | |
506
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522 <list type="bullet" compact="no"> |
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523 |
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524 <listitem> |
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525 <header>X-Accel-Expires</header>, <header>Expires</header>, |
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526 <header>Cache-Control</header>, and <header>Set-Cookie</header> |
966 | 527 set the parameters of response <link id="fastcgi_cache_valid">caching</link>; |
506
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528 </listitem> |
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529 |
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530 <listitem> |
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531 <header>X-Accel-Redirect</header> performs an |
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532 <link doc="ngx_http_core_module.xml" id="internal">internal |
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533 redirect</link> to the specified URI; |
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534 </listitem> |
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535 |
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536 <listitem> |
966 | 537 <header>X-Accel-Limit-Rate</header> sets the |
506
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538 <link doc="ngx_http_core_module.xml" id="limit_rate">rate |
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539 limit</link> for transmission of a response to a client; |
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540 </listitem> |
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541 |
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542 <listitem> |
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543 <header>X-Accel-Buffering</header> enables or disables |
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544 buffering of a response; |
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545 </listitem> |
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546 |
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547 <listitem> |
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548 <header>X-Accel-Charset</header> sets the desired |
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549 <link doc="ngx_http_charset_module.xml" id="charset"/> |
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550 of a response. |
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551 </listitem> |
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552 |
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553 </list> |
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554 </para> |
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555 |
298
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556 </directive> |
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557 |
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558 |
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559 <directive name="fastcgi_index"> |
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560 <syntax><value>name</value></syntax> |
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561 <default/> |
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562 <context>http</context> |
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563 <context>server</context> |
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564 <context>location</context> |
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565 |
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566 <para> |
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567 Sets a file name that will be appended after a URI that ends with |
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568 a slash, in the value of the <var>$fastcgi_script_name</var> variable. |
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English translation of the ngx_http_fastcgi_module module documentation.
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569 For example, with these settings |
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|
570 <example> |
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571 fastcgi_index index.php; |
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572 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
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573 </example> |
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574 and the “<literal>/page.php</literal>” request, |
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diff
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|
575 the <literal>SCRIPT_FILENAME</literal> parameter will be equal to |
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576 “<literal>/home/www/scripts/php/page.php</literal>”, |
0dcf07c393b6
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parents:
diff
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577 and with the “<literal>/</literal>” request it will be equal to |
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578 “<literal>/home/www/scripts/php/index.php</literal>”. |
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English translation of the ngx_http_fastcgi_module module documentation.
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579 </para> |
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diff
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|
580 |
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diff
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|
581 </directive> |
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diff
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|
582 |
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parents:
diff
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|
583 |
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584 <directive name="fastcgi_intercept_errors"> |
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585 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
586 <default>off</default> |
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parents:
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587 <context>http</context> |
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588 <context>server</context> |
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589 <context>location</context> |
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590 |
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|
591 <para> |
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592 Determines whether FastCGI server responses with codes greater than or equal |
907
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862
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593 to 300 should be passed to a client or be redirected to nginx for processing |
966 | 594 with the <link doc="ngx_http_core_module.xml" id="error_page"/> directive. |
298
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595 </para> |
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596 |
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597 </directive> |
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|
598 |
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|
599 |
316
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600 <directive name="fastcgi_keep_conn"> |
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601 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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602 <default>off</default> |
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603 <context>http</context> |
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604 <context>server</context> |
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605 <context>location</context> |
498
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411
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606 <appeared-in>1.1.4</appeared-in> |
316
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607 |
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608 <para> |
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609 By default, a FastCGI server will close a connection right after |
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610 sending the response. |
966 | 611 However, when this directive is set to the value <literal>on</literal>, |
612 nginx will instruct a FastCGI server to keep connections open. | |
613 This is necessary, in particular, for | |
316
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614 <link doc="ngx_http_upstream_module.xml" id="keepalive"/> |
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615 connections to FastCGI servers to function. |
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616 </para> |
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617 |
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618 </directive> |
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619 |
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620 |
411
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364
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621 <directive name="fastcgi_max_temp_file_size"> |
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Documented the following directives: fastcgi_busy_buffers_size,
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622 <syntax><value>size</value></syntax> |
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|
623 <default>1024m</default> |
f8248d0e3c8f
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diff
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|
624 <context>http</context> |
f8248d0e3c8f
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364
diff
changeset
|
625 <context>server</context> |
f8248d0e3c8f
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parents:
364
diff
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|
626 <context>location</context> |
f8248d0e3c8f
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Ruslan Ermilov <ru@nginx.com>
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364
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|
627 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
changeset
|
628 <para> |
966 | 629 When the whole response does not fit into the memory buffers |
411
f8248d0e3c8f
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364
diff
changeset
|
630 set by the <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/> |
966 | 631 directives, a part of the response can be saved to a temporary file. |
411
f8248d0e3c8f
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364
diff
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|
632 This directive sets the maximum <value>size</value> of a temporary file. |
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364
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|
633 The size of data written to a temporary file at a time is set |
f8248d0e3c8f
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364
diff
changeset
|
634 by the <link id="fastcgi_temp_file_write_size"/> directive. |
f8248d0e3c8f
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364
diff
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|
635 </para> |
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parents:
364
diff
changeset
|
636 |
f8248d0e3c8f
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parents:
364
diff
changeset
|
637 <para> |
966 | 638 The zero value disables buffering of responses to temporary files. |
411
f8248d0e3c8f
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364
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|
639 </para> |
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Documented the following directives: fastcgi_busy_buffers_size,
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364
diff
changeset
|
640 |
f8248d0e3c8f
Documented the following directives: fastcgi_busy_buffers_size,
Ruslan Ermilov <ru@nginx.com>
parents:
364
diff
changeset
|
641 </directive> |
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parents:
364
diff
changeset
|
642 |
f8248d0e3c8f
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364
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|
643 |
298
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diff
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|
644 <directive name="fastcgi_next_upstream"> |
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diff
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|
645 <syntax> |
364 | 646 <literal>error</literal> | |
647 <literal>timeout</literal> | | |
648 <literal>invalid_header</literal> | | |
649 <literal>http_500</literal> | | |
650 <literal>http_503</literal> | | |
917
e26a18eb5ccd
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Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
changeset
|
651 <literal>http_403</literal> | |
364 | 652 <literal>http_404</literal> | |
653 <literal>off</literal> | |
654 ...</syntax> | |
298
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parents:
diff
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|
655 <default>error timeout</default> |
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|
656 <context>http</context> |
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Ruslan Ermilov <ru@nginx.com>
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|
657 <context>server</context> |
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|
658 <context>location</context> |
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diff
changeset
|
659 |
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diff
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|
660 <para> |
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|
661 Specifies in which cases a request should be passed to the next server: |
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|
662 <list type="tag"> |
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|
663 |
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|
664 <tag-name><literal>error</literal></tag-name> |
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665 <tag-desc>an error occurred while establishing a connection with the |
966 | 666 server, passing a request to it, or reading the response header;</tag-desc> |
298
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|
667 |
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|
668 <tag-name><literal>timeout</literal></tag-name> |
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669 <tag-desc>a timeout has occurred while establishing a connection with the |
966 | 670 server, passing a request to it, or reading the response header;</tag-desc> |
298
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|
671 |
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|
672 <tag-name><literal>invalid_header</literal></tag-name> |
966 | 673 <tag-desc>a server returned an empty or invalid response;</tag-desc> |
298
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|
674 |
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|
675 <tag-name><literal>http_500</literal></tag-name> |
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|
676 <tag-desc>a server returned a response with the code 500;</tag-desc> |
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diff
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|
677 |
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diff
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|
678 <tag-name><literal>http_503</literal></tag-name> |
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diff
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|
679 <tag-desc>a server returned a response with the code 503;</tag-desc> |
0dcf07c393b6
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diff
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|
680 |
917
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
907
diff
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|
681 <tag-name><literal>http_403</literal></tag-name> |
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
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907
diff
changeset
|
682 <tag-desc>a server returned a response with the code 403;</tag-desc> |
e26a18eb5ccd
Documented http_403 in proxy_next_upstream and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
683 |
298
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|
684 <tag-name><literal>http_404</literal></tag-name> |
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Ruslan Ermilov <ru@nginx.com>
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|
685 <tag-desc>a server returned a response with the code 404;</tag-desc> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
686 |
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diff
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|
687 <tag-name><literal>off</literal></tag-name> |
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parents:
diff
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|
688 <tag-desc>disables passing a request to the next server.</tag-desc> |
0dcf07c393b6
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parents:
diff
changeset
|
689 |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
690 </list> |
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
691 </para> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
692 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
693 <para> |
966 | 694 One should bear in mind that passing a request to the next server is |
695 only possible if nothing has been sent to a client yet. | |
696 That is, if an error or timeout occurs in the middle of the | |
697 transferring of a response, fixing this is impossible. | |
298
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|
698 </para> |
0dcf07c393b6
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diff
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|
699 |
942
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
700 <para> |
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parents:
917
diff
changeset
|
701 The directive also defines what is considered an unsuccessful attempt |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
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917
diff
changeset
|
702 of communication with a |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
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|
703 <link doc="ngx_http_upstream_module.xml" id="server"/>. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
704 The cases of <literal>error</literal>, <literal>timeout</literal> and |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
705 <literal>invalid_header</literal> are always considered unsuccessful attempts, |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
706 even if they are not specified in the directive. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
707 The cases of <literal>http_500</literal> and <literal>http_503</literal> are |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
708 considered unsuccessful attempts only if they are specified in the directive. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
709 The cases of <literal>http_403</literal> and <literal>http_404</literal> |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
710 are never considered unsuccessful attempts. |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
711 </para> |
ba3d6ade3513
Elaborate on upstream server failures.
Ruslan Ermilov <ru@nginx.com>
parents:
917
diff
changeset
|
712 |
298
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diff
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|
713 </directive> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
714 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
715 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
716 <directive name="fastcgi_no_cache"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
717 <syntax><value>string</value> ...</syntax> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
718 <default/> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
719 <context>http</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
720 <context>server</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
721 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
722 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
723 <para> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
724 Defines conditions under which the response will not be saved to a cache. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
725 If at least one value of the string parameters is not empty and is not |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
726 equal to “0” then the response will not be saved: |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
727 <example> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
728 fastcgi_no_cache $cookie_nocache $arg_nocache$arg_comment; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
729 fastcgi_no_cache $http_pragma $http_authorization; |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
changeset
|
730 </example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
731 Can be used along with the <link id="fastcgi_cache_bypass"/> directive. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
732 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
733 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
734 </directive> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
735 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
736 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
737 <directive name="fastcgi_param"> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
738 <syntax> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
739 <value>parameter</value> <value>value</value> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
740 [<literal>if_not_empty</literal>]</syntax> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
741 <default/> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
742 <context>http</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
743 <context>server</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
744 <context>location</context> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
745 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
746 <para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
747 Sets a <value>parameter</value> that should be passed to the FastCGI server. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
748 A <value>value</value> can contain text, variables, and their combination. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
749 These directives are inherited from the previous level if and |
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750 only if there are no |
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751 <literal>fastcgi_param</literal> |
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752 directives defined on the current level. |
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753 </para> |
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754 |
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755 <para> |
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756 The following example shows the minimum required settings for PHP: |
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757 <example> |
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758 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
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759 fastcgi_param QUERY_STRING $query_string; |
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760 </example> |
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761 </para> |
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762 |
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763 <para> |
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764 The <literal>SCRIPT_FILENAME</literal> parameter is used in PHP for |
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765 determining the script name, and the <literal>QUERY_STRING</literal> |
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766 parameter is used to pass request parameters. |
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767 </para> |
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768 |
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769 <para> |
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770 For scripts that process <literal>POST</literal> requests, the |
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771 following three parameters are also required: |
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772 <example> |
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773 fastcgi_param REQUEST_METHOD $request_method; |
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774 fastcgi_param CONTENT_TYPE $content_type; |
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775 fastcgi_param CONTENT_LENGTH $content_length; |
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776 </example> |
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777 </para> |
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778 |
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779 <para> |
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780 If PHP was built with the <literal>--enable-force-cgi-redirect</literal> |
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781 configuration parameter, the <literal>REDIRECT_STATUS</literal> parameter |
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782 should also be passed with the value “200”: |
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783 <example> |
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784 fastcgi_param REDIRECT_STATUS 200; |
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785 </example> |
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786 </para> |
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787 |
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788 <para> |
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789 If a directive is specified with <literal>if_not_empty</literal> (1.1.11) then |
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790 such a parameter will not be passed to the server until its value is not empty: |
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791 <example> |
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792 fastcgi_param HTTPS $https if_not_empty; |
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793 </example> |
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794 </para> |
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795 |
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796 </directive> |
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|
797 |
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|
798 |
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799 <directive name="fastcgi_pass"> |
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800 <syntax><value>address</value></syntax> |
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801 <default/> |
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802 <context>location</context> |
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803 <context>if in location</context> |
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804 |
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805 <para> |
966 | 806 Sets the address of a FastCGI server. |
807 The address can be specified as a domain name or IP address, | |
808 and an optional port: | |
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809 <example> |
351
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810 fastcgi_pass localhost:9000; |
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811 </example> |
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812 or as a UNIX-domain socket path: |
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813 <example> |
351
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814 fastcgi_pass unix:/tmp/fastcgi.socket; |
298
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815 </example> |
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816 </para> |
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817 |
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818 <para> |
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819 If a domain name resolves to several addresses, all of them will be |
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820 used in a round-robin fashion. |
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821 In addition, an address can be specified as a |
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822 <link doc="ngx_http_upstream_module.xml">server group</link>. |
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823 </para> |
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824 |
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825 </directive> |
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826 |
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827 |
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828 <directive name="fastcgi_pass_header"> |
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829 <syntax><value>field</value></syntax> |
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830 <default/> |
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831 <context>http</context> |
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832 <context>server</context> |
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833 <context>location</context> |
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834 |
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835 <para> |
966 | 836 Permits passing <link id="fastcgi_hide_header">otherwise disabled</link> header |
837 fields from a FastCGI server to a client. | |
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838 </para> |
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839 |
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840 </directive> |
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841 |
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|
842 |
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843 <directive name="fastcgi_read_timeout"> |
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844 <syntax><value>time</value></syntax> |
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845 <default>60s</default> |
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846 <context>http</context> |
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847 <context>server</context> |
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848 <context>location</context> |
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849 |
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850 <para> |
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851 Defines a timeout for reading a response from the FastCGI server. |
966 | 852 A timeout is set only between two successive read operations, |
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853 not for the transmission of the whole response. |
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854 If a FastCGI server does not transmit anything within this time, |
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855 a connection is closed. |
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|
856 </para> |
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857 |
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858 </directive> |
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859 |
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860 |
793
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|
861 <directive name="fastcgi_pass_request_body"> |
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773
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862 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
863 <default>on</default> |
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|
864 <context>http</context> |
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773
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|
865 <context>server</context> |
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773
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|
866 <context>location</context> |
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773
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|
867 |
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773
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|
868 <para> |
966 | 869 Indicates whether the original request body is passed |
793
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773
diff
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|
870 to the FastCGI server. |
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773
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|
871 See also the <link id="fastcgi_pass_request_headers"/> directive. |
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Documented "fastcgi_pass_request_body/headers" directives.
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|
872 </para> |
9104a921d940
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diff
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|
873 |
9104a921d940
Documented "fastcgi_pass_request_body/headers" directives.
Vladimir Homutov <vl@nginx.com>
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773
diff
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|
874 </directive> |
9104a921d940
Documented "fastcgi_pass_request_body/headers" directives.
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773
diff
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|
875 |
9104a921d940
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Vladimir Homutov <vl@nginx.com>
parents:
773
diff
changeset
|
876 |
9104a921d940
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Vladimir Homutov <vl@nginx.com>
parents:
773
diff
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|
877 <directive name="fastcgi_pass_request_headers"> |
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Vladimir Homutov <vl@nginx.com>
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diff
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|
878 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
9104a921d940
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diff
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|
879 <default>on</default> |
9104a921d940
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773
diff
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|
880 <context>http</context> |
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Vladimir Homutov <vl@nginx.com>
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diff
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|
881 <context>server</context> |
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Vladimir Homutov <vl@nginx.com>
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diff
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|
882 <context>location</context> |
9104a921d940
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diff
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|
883 |
9104a921d940
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Vladimir Homutov <vl@nginx.com>
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773
diff
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|
884 <para> |
966 | 885 Indicates whether the header fields of the original request are passed |
886 to the FastCGI server. | |
793
9104a921d940
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|
887 See also the <link id="fastcgi_pass_request_body"/> directive. |
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diff
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|
888 </para> |
9104a921d940
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Vladimir Homutov <vl@nginx.com>
parents:
773
diff
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|
889 |
9104a921d940
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Vladimir Homutov <vl@nginx.com>
parents:
773
diff
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|
890 </directive> |
9104a921d940
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Vladimir Homutov <vl@nginx.com>
parents:
773
diff
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|
891 |
9104a921d940
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Vladimir Homutov <vl@nginx.com>
parents:
773
diff
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|
892 |
773
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Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
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diff
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|
893 <directive name="fastcgi_send_lowat"> |
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Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
894 <syntax><value>size</value></syntax> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
895 <default>0</default> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
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772
diff
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|
896 <context>http</context> |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
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772
diff
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|
897 <context>server</context> |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
898 <context>location</context> |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
899 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
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772
diff
changeset
|
900 <para> |
966 | 901 If the directive is set to a non-zero value, nginx will try to |
902 minimize the number | |
773
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
903 of send operations on outgoing connections to a FastCGI server by using either |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
904 <c-def>NOTE_LOWAT</c-def> flag of the |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
905 <link doc="../events.xml" id="kqueue"/> method, |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
906 or the <c-def>SO_SNDLOWAT</c-def> socket option, |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
907 with the specified <value>size</value>. |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
908 </para> |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
909 |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
910 <para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
911 This directive is ignored on Linux, Solaris, and Windows. |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
912 </para> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
913 |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
changeset
|
914 </directive> |
24b1b0101250
Documented "send_lowat" directive in fastcgi and proxy modules.
Vladimir Homutov <vl@nginx.com>
parents:
772
diff
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|
915 |
24b1b0101250
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Vladimir Homutov <vl@nginx.com>
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diff
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|
916 |
298
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|
917 <directive name="fastcgi_send_timeout"> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
918 <syntax><value>time</value></syntax> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
919 <default>60s</default> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
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|
920 <context>http</context> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
921 <context>server</context> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
922 <context>location</context> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
923 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
924 <para> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
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diff
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|
925 Sets a timeout for transmitting a request to the FastCGI server. |
966 | 926 A timeout is set only between two successive write operations, |
298
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diff
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|
927 not for the transmission of the whole request. |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
928 If a FastCGI server does not receive anything within this time, |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
929 a connection is closed. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
930 </para> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
931 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
932 </directive> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
933 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
934 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
935 <directive name="fastcgi_split_path_info"> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
936 <syntax><value>regex</value></syntax> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
937 <default/> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
938 <context>location</context> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
939 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
940 <para> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
941 Defines a regular expression that captures a value for the |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
942 <var>$fastcgi_path_info</var> variable. |
966 | 943 A regular expression should have two captures: the first becomes |
298
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
944 a value of the <var>$fastcgi_script_name</var> variable, the second |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
945 becomes a value of the <var>$fastcgi_path_info</var> variable. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
946 For example, with these settings |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
947 <example> |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
948 location ~ ^(.+\.php)(.*)$ { |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
949 fastcgi_split_path_info ^(.+\.php)(.*)$; |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
950 fastcgi_param SCRIPT_FILENAME /path/to/php$fastcgi_script_name; |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
951 fastcgi_param PATH_INFO $fastcgi_path_info; |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
952 </example> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
953 and the “<literal>/show.php/article/0001</literal>” request, |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
954 the <literal>SCRIPT_FILENAME</literal> parameter will be equal to |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
955 “<literal>/path/to/php/show.php</literal>”, and the |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
956 <literal>PATH_INFO</literal> parameter will be equal to |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
957 “<literal>/article/0001</literal>”. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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parents:
diff
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|
958 </para> |
0dcf07c393b6
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parents:
diff
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|
959 |
0dcf07c393b6
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parents:
diff
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|
960 </directive> |
0dcf07c393b6
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parents:
diff
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|
961 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
962 |
0dcf07c393b6
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
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|
963 <directive name="fastcgi_store"> |
0dcf07c393b6
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parents:
diff
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|
964 <syntax> |
0dcf07c393b6
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|
965 <literal>on</literal> | |
0dcf07c393b6
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|
966 <literal>off</literal> | |
0dcf07c393b6
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|
967 <value>string</value></syntax> |
0dcf07c393b6
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|
968 <default>off</default> |
0dcf07c393b6
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|
969 <context>http</context> |
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|
970 <context>server</context> |
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|
971 <context>location</context> |
0dcf07c393b6
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parents:
diff
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|
972 |
0dcf07c393b6
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parents:
diff
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|
973 <para> |
0dcf07c393b6
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diff
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|
974 Enables saving of files to a disk. |
0dcf07c393b6
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parents:
diff
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|
975 The <literal>on</literal> parameter saves files with paths |
0dcf07c393b6
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parents:
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|
976 corresponding to the directives |
0dcf07c393b6
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diff
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|
977 <link doc="ngx_http_core_module.xml" id="alias"/> or |
0dcf07c393b6
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parents:
diff
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|
978 <link doc="ngx_http_core_module.xml" id="root"/>. |
0dcf07c393b6
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|
979 The <literal>off</literal> parameter disables saving of files. |
0dcf07c393b6
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parents:
diff
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|
980 In addition, the file name can be set explicitly using the |
0dcf07c393b6
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parents:
diff
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|
981 <value>string</value> with variables: |
0dcf07c393b6
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diff
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|
982 <example> |
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|
983 fastcgi_store /data/www$original_uri; |
0dcf07c393b6
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|
984 </example> |
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|
985 </para> |
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diff
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|
986 |
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|
987 <para> |
0dcf07c393b6
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|
988 The modification time of files is set according to the received |
0dcf07c393b6
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diff
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|
989 <header>Last-Modified</header> response header field. |
966 | 990 A response is first written to a temporary file, and then the file is renamed. |
991 Starting from version 0.8.9, temporary files and the persistent store | |
992 can be put on different file systems. | |
993 However, be aware that in this case a file is copied | |
994 across two file systems instead of the cheap renaming operation. | |
298
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995 It is thus recommended that for any given location both saved files and a |
966 | 996 directory holding temporary files, set by the <link id="fastcgi_temp_path"/> |
997 directive, are put on the same file system. | |
298
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998 </para> |
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999 |
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1000 <para> |
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1001 This directive can be used to create local copies of static unchangeable |
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1002 files, e.g.: |
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1003 <example> |
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1004 location /images/ { |
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1005 root /data/www; |
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1006 open_file_cache_errors off; |
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1007 error_page 404 = /fetch$uri; |
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1008 } |
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1009 |
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1010 location /fetch/ { |
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1011 internal; |
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1012 |
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1013 fastcgi_pass backend:9000; |
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1014 ... |
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1015 |
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1016 fastcgi_store on; |
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1017 fastcgi_store_access user:rw group:rw all:r; |
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1018 fastcgi_temp_path /data/temp; |
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1019 |
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1020 alias /data/www/; |
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1021 } |
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1022 </example> |
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1023 </para> |
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1024 |
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1025 </directive> |
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1026 |
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1027 |
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1028 <directive name="fastcgi_store_access"> |
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1029 <syntax><value>users</value>:<value>permissions</value> ...</syntax> |
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1030 <default>user:rw</default> |
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1031 <context>http</context> |
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1032 <context>server</context> |
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1033 <context>location</context> |
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1034 |
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1035 <para> |
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1036 Sets access permissions for newly created files and directories, e.g.: |
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1037 <example> |
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1038 fastcgi_store_access user:rw group:rw all:r; |
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1039 </example> |
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1040 </para> |
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1041 |
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1042 <para> |
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1043 If any <literal>group</literal> or <literal>all</literal> access permissions |
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1044 are specified then <literal>user</literal> permissions may be omitted: |
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1045 <example> |
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1046 fastcgi_store_access group:rw all:r; |
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1047 </example> |
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1048 </para> |
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1049 |
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1050 </directive> |
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1051 |
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1052 |
411
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1053 <directive name="fastcgi_temp_file_write_size"> |
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1054 <syntax><value>size</value></syntax> |
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1055 <default>8k|16k</default> |
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1056 <context>http</context> |
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1057 <context>server</context> |
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1058 <context>location</context> |
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1059 |
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1060 <para> |
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1061 Limits the <value>size</value> of data written to a temporary file |
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|
1062 at a time, when buffering of responses from the FastCGI server |
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|
1063 to temporary files is enabled. |
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|
1064 By default, <value>size</value> is limited by two buffers set by the |
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364
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|
1065 <link id="fastcgi_buffer_size"/> and <link id="fastcgi_buffers"/> directives. |
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|
1066 The maximum size of a temporary file is set by the |
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|
1067 <link id="fastcgi_max_temp_file_size"/> directive. |
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1068 </para> |
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|
1069 |
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364
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|
1070 </directive> |
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1071 |
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1072 |
298
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1073 <directive name="fastcgi_temp_path"> |
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1074 <syntax> |
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|
1075 <value>path</value> |
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1076 [<value>level1</value> |
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1077 [<value>level2</value> |
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1078 [<value>level3</value>]]]</syntax> |
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1079 <default>fastcgi_temp</default> |
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1080 <context>http</context> |
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1081 <context>server</context> |
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1082 <context>location</context> |
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|
1083 |
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|
1084 <para> |
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1085 Defines a directory for storing temporary files |
411
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1086 with data received from FastCGI servers. |
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1087 Up to three-level subdirectory hierarchy can be used underneath the specified |
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|
1088 directory. |
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1089 For example, in the following configuration |
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1090 <example> |
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1091 fastcgi_temp_path /spool/nginx/fastcgi_temp 1 2; |
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1092 </example> |
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|
1093 a temporary file might look like this: |
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1094 <example> |
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1095 /spool/nginx/fastcgi_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
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1096 </example> |
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1097 </para> |
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1098 |
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|
1099 </directive> |
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|
1100 |
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|
1101 </section> |
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|
1102 |
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|
1103 |
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|
1104 <section id="parameters" name="Parameters Passed to a FastCGI Server"> |
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1105 |
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|
1106 <para> |
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|
1107 HTTP request header fields are passed to the FastCGI server as parameters. |
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1108 In applications and scripts running as FastCGI servers, |
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1109 these parameters are usually made available as environment variables. |
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English translation of the ngx_http_fastcgi_module module documentation.
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1110 For example, the <header>User-Agent</header> header field is passed as the |
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English translation of the ngx_http_fastcgi_module module documentation.
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1111 <literal>HTTP_USER_AGENT</literal> parameter. |
966 | 1112 In addition to HTTP request header fields, it is possible to pass arbitrary |
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1113 parameters using the <link id="fastcgi_param"/> directive. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1114 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
Ruslan Ermilov <ru@nginx.com>
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1115 |
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English translation of the ngx_http_fastcgi_module module documentation.
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1116 </section> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1117 |
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English translation of the ngx_http_fastcgi_module module documentation.
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1118 |
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English translation of the ngx_http_fastcgi_module module documentation.
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1119 <section id="variables" name="Embedded Variables"> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1120 |
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English translation of the ngx_http_fastcgi_module module documentation.
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1121 <para> |
364 | 1122 The <literal>ngx_http_fastcgi_module</literal> module supports embedded |
1123 variables that can be used to set parameters using the | |
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1124 <link id="fastcgi_param"/> directive: |
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English translation of the ngx_http_fastcgi_module module documentation.
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1125 <list type="tag"> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1126 |
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1127 <tag-name><var>$fastcgi_script_name</var></tag-name> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1128 <tag-desc> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1129 request URI or, if a URI ends with a slash, request URI with an index file |
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English translation of the ngx_http_fastcgi_module module documentation.
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1130 name configured by the <link id="fastcgi_index"/> directive appended to it. |
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English translation of the ngx_http_fastcgi_module module documentation.
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1131 This variable can be used to set the |
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English translation of the ngx_http_fastcgi_module module documentation.
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1132 <literal>SCRIPT_FILENAME</literal> and <literal>PATH_TRANSLATED</literal> |
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1133 parameters that determine the script name in PHP. |
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1134 For example, for the “<literal>/info/</literal>” request with the |
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English translation of the ngx_http_fastcgi_module module documentation.
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1135 following directives |
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English translation of the ngx_http_fastcgi_module module documentation.
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1136 <example> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1137 fastcgi_index index.php; |
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1138 fastcgi_param SCRIPT_FILENAME /home/www/scripts/php$fastcgi_script_name; |
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English translation of the ngx_http_fastcgi_module module documentation.
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1139 </example> |
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1140 the <literal>SCRIPT_FILENAME</literal> parameter will be equal to |
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English translation of the ngx_http_fastcgi_module module documentation.
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1141 “<literal>/home/www/scripts/php/info/index.php</literal>”. |
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English translation of the ngx_http_fastcgi_module module documentation.
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1142 |
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1143 <para> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1144 When using the <link id="fastcgi_split_path_info"/> directive, |
966 | 1145 the <var>$fastcgi_script_name</var> variable equals the value of |
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1146 the first capture set by the directive. |
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English translation of the ngx_http_fastcgi_module module documentation.
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1147 </para> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1148 </tag-desc> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1149 |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1150 <tag-name><var>$fastcgi_path_info</var></tag-name> |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1151 <tag-desc>the value of the second capture set by the |
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English translation of the ngx_http_fastcgi_module module documentation.
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1152 <link id="fastcgi_split_path_info"/> directive. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1153 This variable can be used to set the |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1154 <literal>PATH_INFO</literal> parameter. |
0dcf07c393b6
English translation of the ngx_http_fastcgi_module module documentation.
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1155 </tag-desc> |
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1156 |
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1157 </list> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1158 </para> |
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1159 |
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1160 </section> |
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English translation of the ngx_http_fastcgi_module module documentation.
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1161 |
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1162 </module> |