Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_ssl_module.xml @ 1232:ab2ea38f3512
Upstream: least_conn description corresponds to the Russian text.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Wed, 18 Jun 2014 14:44:00 +0400 |
parents | db4b017b5796 |
children | 35cf5dca5fa4 |
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English translation of ngx_http_ssl_module.
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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_ssl_module" |
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11 link="/en/docs/http/ngx_http_ssl_module.html" |
589 | 12 lang="en" |
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13 rev="15"> |
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14 |
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15 <section id="summary"> |
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16 |
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17 <para> |
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18 The <literal>ngx_http_ssl_module</literal> module provides the |
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19 necessary support for HTTPS. |
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20 </para> |
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21 |
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22 <para> |
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23 This module is not built by default, it should be enabled with the |
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24 <literal>--with-http_ssl_module</literal> |
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25 configuration parameter. |
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26 <note> |
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27 This module requires the |
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28 <link url="http://www.openssl.org">OpenSSL</link> library. |
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29 </note> |
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30 </para> |
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31 |
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32 </section> |
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33 |
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34 |
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35 <section id="example" name="Example Configuration"> |
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36 |
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37 <para> |
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38 To reduce the processor load it is recommended to |
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39 <list type="bullet"> |
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40 |
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41 <listitem> |
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42 set the number of worker processes equal to the number of processors, |
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43 </listitem> |
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44 |
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45 <listitem> |
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46 enable keep-alive connections, |
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47 </listitem> |
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48 |
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49 <listitem> |
966 | 50 enable the shared session cache, |
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51 </listitem> |
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52 |
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53 <listitem> |
966 | 54 disable the built-in session cache, |
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55 </listitem> |
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56 |
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57 <listitem> |
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58 and possibly increase the session lifetime (by default, 5 minutes): |
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59 </listitem> |
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60 |
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61 </list> |
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62 |
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63 <example> |
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64 <emphasis>worker_processes auto;</emphasis> |
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65 |
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66 http { |
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67 |
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68 ... |
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69 |
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70 server { |
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71 listen 443 ssl; |
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72 <emphasis>keepalive_timeout 70;</emphasis> |
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73 |
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74 ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2; |
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75 ssl_ciphers AES128-SHA:AES256-SHA:RC4-SHA:DES-CBC3-SHA:RC4-MD5; |
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76 ssl_certificate /usr/local/nginx/conf/cert.pem; |
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77 ssl_certificate_key /usr/local/nginx/conf/cert.key; |
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78 <emphasis>ssl_session_cache shared:SSL:10m;</emphasis> |
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79 <emphasis>ssl_session_timeout 10m;</emphasis> |
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80 |
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81 ... |
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82 } |
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83 </example> |
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84 </para> |
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85 |
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86 </section> |
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87 |
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88 |
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89 <section id="directives" name="Directives"> |
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90 |
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91 <directive name="ssl"> |
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92 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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93 <default>off</default> |
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94 <context>http</context> |
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95 <context>server</context> |
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96 |
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97 <para> |
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98 Enables the HTTPS protocol for the given virtual server. |
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99 <note> |
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100 It is recommended to use the <literal>ssl</literal> parameter of the |
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101 <link doc="ngx_http_core_module.xml" id="listen"/> directive instead |
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102 of this directive. |
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103 </note> |
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104 </para> |
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105 |
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106 </directive> |
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107 |
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108 |
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109 <directive name="ssl_buffer_size"> |
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110 <syntax><value>size</value></syntax> |
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111 <default>16k</default> |
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112 <context>http</context> |
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113 <context>server</context> |
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114 <appeared-in>1.5.9</appeared-in> |
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115 |
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116 <para> |
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117 Sets the size of the buffer used for sending data. |
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118 </para> |
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119 |
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120 <para> |
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121 By default, the buffer size is 16k, which corresponds to minimal |
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122 overhead when sending big responses. |
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123 To minimize Time To First Byte it may be beneficial to use smaller values, |
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124 for example: |
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125 <example> |
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126 ssl_buffer_size 4k; |
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127 </example> |
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128 </para> |
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129 |
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130 </directive> |
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131 |
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132 |
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133 <directive name="ssl_certificate"> |
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134 <syntax><value>file</value></syntax> |
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135 <default/> |
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136 <context>http</context> |
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137 <context>server</context> |
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138 |
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139 <para> |
966 | 140 Specifies a <value>file</value> with the certificate in the PEM format |
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141 for the given virtual server. |
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142 If intermediate certificates should be specified in addition |
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143 to a primary certificate, they should be specified in the same file |
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144 in the following order: the primary certificate comes first, then |
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145 the intermediate certificates. |
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146 A secret key in the PEM format may be placed in the same file. |
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147 </para> |
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148 |
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149 <para> |
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150 It should be kept in mind that due to the HTTPS protocol limitations |
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151 virtual servers should listen on different IP addresses: |
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152 <example> |
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153 server { |
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154 listen 192.168.1.1:443; |
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155 server_name one.example.com; |
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156 ssl_certificate /usr/local/nginx/conf/one.example.com.cert; |
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157 ... |
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158 } |
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159 |
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160 server { |
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161 listen 192.168.1.2:443; |
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162 server_name two.example.com; |
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163 ssl_certificate /usr/local/nginx/conf/two.example.com.cert; |
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164 ... |
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165 } |
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166 </example> |
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167 otherwise |
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168 <link doc="configuring_https_servers.xml" |
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169 id="name_based_https_servers">the first server’s certificate</link> |
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170 will be issued for the second site. |
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171 </para> |
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172 |
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173 </directive> |
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174 |
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175 |
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176 <directive name="ssl_certificate_key"> |
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177 <syntax><value>file</value></syntax> |
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178 <default/> |
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179 <context>http</context> |
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180 <context>server</context> |
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181 |
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182 <para> |
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184 for the given virtual server. |
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185 </para> |
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186 |
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187 </directive> |
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188 |
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189 |
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190 <directive name="ssl_ciphers"> |
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191 <syntax><value>ciphers</value></syntax> |
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192 <default>HIGH:!aNULL:!MD5</default> |
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193 <context>http</context> |
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194 <context>server</context> |
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195 |
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196 <para> |
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197 Specifies the enabled ciphers. |
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198 The ciphers are specified in the format understood by the |
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199 OpenSSL library, for example: |
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200 <example> |
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201 ssl_ciphers ALL:!aNULL:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP; |
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202 </example> |
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203 </para> |
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204 |
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205 <para> |
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206 The full list can be viewed using the |
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207 “<command>openssl ciphers</command>” command. |
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208 </para> |
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209 |
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210 <para> |
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211 <note> |
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212 The previous versions of nginx used |
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213 <link doc="configuring_https_servers.xml" id="compatibility">different</link> |
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214 ciphers by default. |
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215 </note> |
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216 </para> |
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217 |
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218 </directive> |
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219 |
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220 |
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221 <directive name="ssl_client_certificate"> |
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222 <syntax><value>file</value></syntax> |
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223 <default/> |
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224 <context>http</context> |
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225 <context>server</context> |
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226 |
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227 <para> |
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228 Specifies a <value>file</value> with trusted CA certificates in the PEM format |
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229 used to verify client certificates and |
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230 OCSP responses if <link id="ssl_stapling"/> is enabled. |
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231 </para> |
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232 |
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233 <para> |
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234 The list of certificates will be sent to clients. |
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235 If this is not desired, the <link id="ssl_trusted_certificate"/> |
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236 directive can be used. |
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237 </para> |
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238 |
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239 </directive> |
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240 |
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241 |
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242 <directive name="ssl_crl"> |
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243 <syntax><value>file</value></syntax> |
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244 <default/> |
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245 <context>http</context> |
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246 <context>server</context> |
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247 <appeared-in>0.8.7</appeared-in> |
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248 |
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249 <para> |
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250 Specifies a <value>file</value> with revoked certificates (CRL) |
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251 in the PEM format used to verify client certificates. |
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252 </para> |
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253 |
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254 </directive> |
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255 |
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256 |
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257 <directive name="ssl_dhparam"> |
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258 <syntax><value>file</value></syntax> |
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259 <default/> |
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260 <context>http</context> |
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261 <context>server</context> |
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262 <appeared-in>0.7.2</appeared-in> |
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263 |
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264 <para> |
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265 Specifies a <value>file</value> with DH parameters for EDH ciphers. |
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266 </para> |
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267 |
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268 </directive> |
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269 |
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270 |
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271 <directive name="ssl_ecdh_curve"> |
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272 <syntax><value>curve</value></syntax> |
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273 <default>prime256v1</default> |
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274 <context>http</context> |
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275 <context>server</context> |
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276 <appeared-in>1.1.0</appeared-in> |
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277 <appeared-in>1.0.6</appeared-in> |
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278 |
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279 <para> |
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280 Specifies a <value>curve</value> for ECDHE ciphers. |
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281 </para> |
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282 |
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283 </directive> |
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284 |
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285 |
384
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286 <directive name="ssl_prefer_server_ciphers"> |
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287 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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288 <default>off</default> |
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289 <context>http</context> |
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290 <context>server</context> |
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291 |
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292 <para> |
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293 Specifies that server ciphers should be preferred over client |
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294 ciphers when using the SSLv3 and TLS protocols. |
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295 </para> |
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296 |
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297 </directive> |
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298 |
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299 |
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300 <directive name="ssl_protocols"> |
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301 <syntax> |
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302 [<literal>SSLv2</literal>] |
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303 [<literal>SSLv3</literal>] |
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304 [<literal>TLSv1</literal>] |
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305 [<literal>TLSv1.1</literal>] |
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306 [<literal>TLSv1.2</literal>]</syntax> |
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307 <default>SSLv3 TLSv1 TLSv1.1 TLSv1.2</default> |
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308 <context>http</context> |
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309 <context>server</context> |
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310 |
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311 <para> |
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312 Enables the specified protocols. |
966 | 313 The <literal>TLSv1.1</literal> and <literal>TLSv1.2</literal> parameters work |
314 only when the OpenSSL library of version 1.0.1 or higher is used. | |
384
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315 <note> |
966 | 316 The <literal>TLSv1.1</literal> and <literal>TLSv1.2</literal> parameters are |
317 supported starting from versions 1.1.13 and 1.0.12, | |
318 so when the OpenSSL version 1.0.1 or higher | |
319 is used on older nginx versions, these protocols work, but cannot | |
384
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320 be disabled. |
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321 </note> |
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322 </para> |
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323 |
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324 </directive> |
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325 |
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326 |
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327 <directive name="ssl_session_cache"> |
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328 <syntax> |
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329 <literal>off</literal> | |
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330 <literal>none</literal> | |
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331 [<literal>builtin</literal>[:<value>size</value>]] |
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332 [<literal>shared</literal>:<value>name</value>:<value>size</value>]</syntax> |
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333 <default>none</default> |
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334 <context>http</context> |
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335 <context>server</context> |
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336 |
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337 <para> |
966 | 338 Sets the types and sizes of caches that store session parameters. |
339 A cache can be of any of the following types: | |
384
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340 <list type="tag"> |
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341 |
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342 <tag-name><literal>off</literal></tag-name> |
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343 <tag-desc> |
966 | 344 the use of a session cache is strictly prohibited: |
384
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345 nginx explicitly tells a client that sessions may not be reused. |
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346 </tag-desc> |
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347 |
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348 <tag-name><literal>none</literal></tag-name> |
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349 <tag-desc> |
966 | 350 the use of a session cache is gently disallowed: |
384
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351 nginx tells a client that sessions may be reused, but does not |
966 | 352 actually store session parameters in the cache. |
384
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353 </tag-desc> |
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354 |
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355 <tag-name><literal>builtin</literal></tag-name> |
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356 <tag-desc> |
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357 a cache built in OpenSSL; used by one worker process only. |
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358 The cache size is specified in sessions. |
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359 If size is not given, it is equal to 20480 sessions. |
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360 Use of the built-in cache can cause memory fragmentation. |
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361 </tag-desc> |
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362 |
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363 <tag-name><literal>shared</literal></tag-name> |
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364 <tag-desc> |
966 | 365 a cache shared between all worker processes. |
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366 The cache size is specified in bytes; one megabyte can store |
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367 about 4000 sessions. |
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368 Each shared cache should have an arbitrary name. |
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369 A cache with the same name can be used in several virtual servers. |
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370 </tag-desc> |
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371 |
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372 </list> |
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373 </para> |
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374 |
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375 <para> |
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376 Both cache types can be used simultaneously, for example: |
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377 <example> |
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378 ssl_session_cache builtin:1000 shared:SSL:10m; |
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379 </example> |
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380 but using only shared cache without the built-in cache should |
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381 be more efficient. |
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382 </para> |
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383 |
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384 </directive> |
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385 |
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386 |
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387 <directive name="ssl_session_ticket_key"> |
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388 <syntax><value>file</value></syntax> |
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389 <default/> |
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390 <context>http</context> |
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391 <context>server</context> |
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392 <appeared-in>1.5.7</appeared-in> |
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393 |
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394 <para> |
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395 Sets a <value>file</value> with the secret key used to encrypt |
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396 and decrypt TLS session tickets. |
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397 The directive is necessary if the same key has to be shared between |
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398 multiple servers. |
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399 By default, a randomly generated key is used. |
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400 </para> |
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401 |
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402 <para> |
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403 If several keys are specified, only the first key is |
2b6a858c60dc
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404 used to encrypt TLS session tickets. |
1144
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Changed infinitive to gerund after "allow".
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405 This allows configuring key rotation, for example: |
1019
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406 <example> |
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407 ssl_session_ticket_key current.key; |
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408 ssl_session_ticket_key previous.key; |
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409 </example> |
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410 </para> |
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411 |
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412 <para> |
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413 The <value>file</value> must contain 48 bytes of random data and can |
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414 be created using the following command: |
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415 <example> |
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416 openssl rand 48 > ticket.key |
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417 </example> |
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418 </para> |
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419 |
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420 </directive> |
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421 |
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422 |
1055
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423 <directive name="ssl_session_tickets"> |
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424 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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425 <default>on</default> |
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426 <context>http</context> |
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427 <context>server</context> |
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428 <appeared-in>1.5.9</appeared-in> |
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429 |
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430 <para> |
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431 Enables or disables session resumption through |
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432 <link url="http://tools.ietf.org/html/rfc5077">TLS session tickets</link>. |
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433 </para> |
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434 |
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435 </directive> |
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436 |
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437 |
384
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English translation of ngx_http_ssl_module.
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diff
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438 <directive name="ssl_session_timeout"> |
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439 <syntax><value>time</value></syntax> |
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440 <default>5m</default> |
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441 <context>http</context> |
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442 <context>server</context> |
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443 |
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444 <para> |
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445 Specifies a time during which a client may reuse the |
331a86bc51ff
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446 session parameters stored in a cache. |
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447 </para> |
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448 |
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449 </directive> |
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450 |
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451 |
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452 <directive name="ssl_stapling"> |
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453 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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454 <default>off</default> |
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455 <context>http</context> |
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456 <context>server</context> |
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457 <appeared-in>1.3.7</appeared-in> |
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458 |
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459 <para> |
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460 Enables or disables |
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461 <link url="http://tools.ietf.org/html/rfc4366#section-3.6">stapling |
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462 of OCSP responses</link> by the server. |
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463 Example: |
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464 <example> |
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465 ssl_stapling on; |
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466 resolver 192.0.2.1; |
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467 </example> |
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468 </para> |
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469 |
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470 <para> |
966 | 471 For the OCSP stapling to work, the certificate of the server certificate |
472 issuer should be known. | |
712
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473 If the <link id="ssl_certificate"/> file does |
695
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474 not contain intermediate certificates, |
966 | 475 the certificate of the server certificate issuer should be |
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476 present in the |
712
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477 <link id="ssl_trusted_certificate"/> file. |
695
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478 </para> |
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479 |
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480 <para> |
966 | 481 For a resolution of the OCSP responder hostname, |
482 the <link doc="ngx_http_core_module.xml" id="resolver"/> directive | |
483 should also be specified. | |
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484 </para> |
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485 |
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486 </directive> |
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487 |
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488 |
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489 <directive name="ssl_stapling_file"> |
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490 <syntax><value>file</value></syntax> |
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491 <default/> |
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492 <context>http</context> |
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493 <context>server</context> |
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494 <appeared-in>1.3.7</appeared-in> |
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495 |
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496 <para> |
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497 When set, the stapled OCSP response will be taken from the |
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498 specified <value>file</value> instead of querying |
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499 the OCSP responder specified in the server certificate. |
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500 </para> |
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501 |
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502 <para> |
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503 The file should be in the DER format as produced by the |
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|
504 “<literal>openssl ocsp</literal>” command. |
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505 </para> |
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|
506 |
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507 </directive> |
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508 |
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509 |
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510 <directive name="ssl_stapling_responder"> |
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511 <syntax><value>url</value></syntax> |
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diff
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|
512 <default/> |
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|
513 <context>http</context> |
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diff
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|
514 <context>server</context> |
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|
515 <appeared-in>1.3.7</appeared-in> |
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diff
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|
516 |
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|
517 <para> |
966 | 518 Overrides the URL of the OCSP responder specified in the |
695
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diff
changeset
|
519 “<link url="http://tools.ietf.org/html/rfc5280#section-4.2.2.1">Authority |
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diff
changeset
|
520 Information Access</link>” certificate extension. |
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changeset
|
521 </para> |
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diff
changeset
|
522 |
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diff
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|
523 <para> |
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diff
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|
524 Only “<literal>http://</literal>” OCSP responders are supported: |
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Added the OCSP stapling documentation in English.
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diff
changeset
|
525 <example> |
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diff
changeset
|
526 ssl_stapling_responder http://ocsp.example.com/; |
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diff
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|
527 </example> |
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diff
changeset
|
528 </para> |
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diff
changeset
|
529 |
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diff
changeset
|
530 </directive> |
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parents:
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diff
changeset
|
531 |
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diff
changeset
|
532 |
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|
533 <directive name="ssl_stapling_verify"> |
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|
534 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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diff
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|
535 <default>off</default> |
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diff
changeset
|
536 <context>http</context> |
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diff
changeset
|
537 <context>server</context> |
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diff
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|
538 <appeared-in>1.3.7</appeared-in> |
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parents:
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diff
changeset
|
539 |
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parents:
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diff
changeset
|
540 <para> |
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parents:
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diff
changeset
|
541 Enables or disables verification of OCSP responses by the server. |
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diff
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|
542 </para> |
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diff
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|
543 |
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diff
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|
544 <para> |
966 | 545 For verification to work, the certificate of the server certificate |
546 issuer, the root certificate, and all intermediate certificates | |
695
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diff
changeset
|
547 should be configured as trusted using the |
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Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
548 <link id="ssl_trusted_certificate"/> directive. |
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diff
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|
549 </para> |
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diff
changeset
|
550 |
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parents:
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diff
changeset
|
551 </directive> |
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parents:
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diff
changeset
|
552 |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
553 |
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
554 <directive name="ssl_trusted_certificate"> |
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Added the OCSP stapling documentation in English.
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parents:
589
diff
changeset
|
555 <syntax><value>file</value></syntax> |
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parents:
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diff
changeset
|
556 <default/> |
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parents:
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diff
changeset
|
557 <context>http</context> |
2eb83e89b239
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parents:
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diff
changeset
|
558 <context>server</context> |
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Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
559 <appeared-in>1.3.7</appeared-in> |
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Added the OCSP stapling documentation in English.
Vladimir Homutov <vl@nginx.com>
parents:
589
diff
changeset
|
560 |
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Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
561 <para> |
715
3f25469cbc49
Highlighted 'file' parameters in the http_ssl_module directives.
Vladimir Homutov <vl@nginx.com>
parents:
712
diff
changeset
|
562 Specifies a <value>file</value> with trusted CA certificates in the PEM format |
695
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
589
diff
changeset
|
563 used to verify client certificates and |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
564 OCSP responses if <link id="ssl_stapling"/> is enabled. |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
589
diff
changeset
|
565 </para> |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
589
diff
changeset
|
566 |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
589
diff
changeset
|
567 <para> |
966 | 568 In contrast to the certificate set by <link id="ssl_client_certificate"/>, |
569 the list of these certificates will not be sent to clients. | |
695
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
570 </para> |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
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diff
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|
571 |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
572 </directive> |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
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diff
changeset
|
573 |
2eb83e89b239
Added the OCSP stapling documentation in English.
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parents:
589
diff
changeset
|
574 |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
575 <directive name="ssl_verify_client"> |
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
576 <syntax> |
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
577 <literal>on</literal> | <literal>off</literal> | |
717
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
578 <literal>optional</literal> | <literal>optional_no_ca</literal></syntax> |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
579 <default>off</default> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
580 <context>http</context> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
581 <context>server</context> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
582 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
583 <para> |
717
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
584 Enables verification of client certificates. |
966 | 585 The verification result is stored in the |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
586 <var>$ssl_client_verify</var> variable. |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
587 </para> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
588 |
717
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
589 <para> |
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
590 The <literal>optional</literal> parameter (0.8.7+) requests the client |
966 | 591 certificate and verifies it if the certificate is present. |
717
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
592 </para> |
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
593 |
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
594 <para> |
763
cd581dbdaf76
The "optional_no_ca" parameter of the "ssl_verify_client" directive
Ruslan Ermilov <ru@nginx.com>
parents:
717
diff
changeset
|
595 The <literal>optional_no_ca</literal> parameter (1.3.8, 1.2.5) |
cd581dbdaf76
The "optional_no_ca" parameter of the "ssl_verify_client" directive
Ruslan Ermilov <ru@nginx.com>
parents:
717
diff
changeset
|
596 requests the client |
717
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
597 certificate but does not require it to be signed by a trusted CA certificate. |
966 | 598 This is intended for the use in cases when a service that is external to nginx |
599 performs the actual certificate verification. | |
600 The contents of the certificate is accessible through the | |
717
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
601 <var>$ssl_client_cert</var> variable. |
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
602 </para> |
c5facf2eff6f
Documented the recently added "optional_no_ca" parameter of the
Ruslan Ermilov <ru@nginx.com>
parents:
715
diff
changeset
|
603 |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
604 </directive> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
605 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
606 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
607 <directive name="ssl_verify_depth"> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
608 <syntax><value>number</value></syntax> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
609 <default>1</default> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
610 <context>http</context> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
611 <context>server</context> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
612 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
613 <para> |
966 | 614 Sets the verification depth in the client certificates chain. |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
615 </para> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
616 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
617 </directive> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
618 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
619 </section> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
620 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
621 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
622 <section id="errors" name="Error Processing"> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
623 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
624 <para> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
625 The <literal>ngx_http_ssl_module</literal> module supports several |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
626 non-standard error codes that can be used for redirects using the |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
627 <link doc="ngx_http_core_module.xml" id="error_page"/> directive: |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
628 <list type="tag"> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
629 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
630 <tag-name>495</tag-name> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
631 <tag-desc> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
632 an error has occurred during the client certificate verification; |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
633 </tag-desc> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
634 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
635 <tag-name>496</tag-name> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
636 <tag-desc> |
966 | 637 a client has not presented the required certificate; |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
638 </tag-desc> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
639 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
640 <tag-name>497</tag-name> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
641 <tag-desc> |
966 | 642 a regular request has been sent to the HTTPS port. |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
643 </tag-desc> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
644 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
645 </list> |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
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646 </para> |
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647 |
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648 <para> |
966 | 649 The redirection happens after the request is fully parsed and |
650 the variables, such as <var>$request_uri</var>, | |
651 <var>$uri</var>, <var>$args</var> and others, are available. | |
384
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652 </para> |
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653 |
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654 </section> |
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655 |
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656 |
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657 <section id="variables" name="Embedded Variables"> |
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658 |
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659 <para> |
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660 The <literal>ngx_http_ssl_module</literal> module supports |
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661 several embedded variables: |
331a86bc51ff
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662 <list type="tag"> |
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663 |
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664 <tag-name id="var_ssl_cipher"><var>$ssl_cipher</var></tag-name> |
384
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665 <tag-desc> |
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666 returns the string of ciphers used |
331a86bc51ff
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667 for an established SSL connection; |
331a86bc51ff
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668 </tag-desc> |
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669 |
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670 <tag-name id="var_ssl_client_cert"><var>$ssl_client_cert</var></tag-name> |
384
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671 <tag-desc> |
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672 returns the client certificate in the PEM format |
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673 for an established SSL connection, with each line except the first |
331a86bc51ff
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674 prepended with the tab character; |
331a86bc51ff
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675 this is intended for the use in the |
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676 <link doc="ngx_http_proxy_module.xml" id="proxy_set_header"/> directive; |
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677 </tag-desc> |
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678 |
1201
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SSL: documented the ssl_client_fingerprint variable.
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679 <tag-name id="var_ssl_client_fingerprint"><var>$ssl_client_fingerprint</var></tag-name> |
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680 <tag-desc> |
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681 returns the SHA1 fingerprint of the client certificate |
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682 for an established SSL connection (1.7.1); |
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683 </tag-desc> |
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684 |
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685 <tag-name id="var_ssl_client_raw_cert"><var>$ssl_client_raw_cert</var> |
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686 </tag-name> |
384
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687 <tag-desc> |
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688 returns the client certificate in the PEM format |
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689 for an established SSL connection; |
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690 </tag-desc> |
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691 |
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692 <tag-name id="var_ssl_client_serial"><var>$ssl_client_serial</var></tag-name> |
384
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693 <tag-desc> |
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694 returns the serial number of the client certificate |
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|
695 for an established SSL connection; |
331a86bc51ff
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|
696 </tag-desc> |
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|
697 |
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698 <tag-name id="var_ssl_client_s_dn"><var>$ssl_client_s_dn</var></tag-name> |
384
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699 <tag-desc> |
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700 returns the “subject DN” string of the client certificate |
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701 for an established SSL connection; |
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|
702 </tag-desc> |
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|
703 |
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704 <tag-name id="var_ssl_client_i_dn"><var>$ssl_client_i_dn</var></tag-name> |
384
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diff
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|
705 <tag-desc> |
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diff
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706 returns the “issuer DN” string of the client certificate |
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diff
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|
707 for an established SSL connection; |
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diff
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|
708 </tag-desc> |
331a86bc51ff
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parents:
diff
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|
709 |
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710 <tag-name id="var_ssl_client_verify"><var>$ssl_client_verify</var></tag-name> |
384
331a86bc51ff
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parents:
diff
changeset
|
711 <tag-desc> |
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diff
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|
712 returns the result of client certificate verification: |
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parents:
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|
713 “<literal>SUCCESS</literal>”, “<literal>FAILED</literal>”, and |
331a86bc51ff
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diff
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|
714 “<literal>NONE</literal>” if a certificate was not present; |
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diff
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|
715 </tag-desc> |
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
716 |
1155
07402a11fd8d
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changeset
|
717 <tag-name id="var_ssl_protocol"><var>$ssl_protocol</var></tag-name> |
384
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parents:
diff
changeset
|
718 <tag-desc> |
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parents:
diff
changeset
|
719 returns the protocol of an established SSL connection; |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
720 </tag-desc> |
331a86bc51ff
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parents:
diff
changeset
|
721 |
1167
cac06b81957c
Documented the $ssl_server_name variable.
Ruslan Ermilov <ru@nginx.com>
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1155
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|
722 <tag-name id="var_ssl_server_name"><var>$ssl_server_name</var></tag-name> |
cac06b81957c
Documented the $ssl_server_name variable.
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diff
changeset
|
723 <tag-desc> |
cac06b81957c
Documented the $ssl_server_name variable.
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1155
diff
changeset
|
724 returns the server name requested through |
cac06b81957c
Documented the $ssl_server_name variable.
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parents:
1155
diff
changeset
|
725 <link url="http://en.wikipedia.org/wiki/Server_Name_Indication">SNI</link> |
cac06b81957c
Documented the $ssl_server_name variable.
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diff
changeset
|
726 (1.7.0); |
cac06b81957c
Documented the $ssl_server_name variable.
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parents:
1155
diff
changeset
|
727 </tag-desc> |
cac06b81957c
Documented the $ssl_server_name variable.
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parents:
1155
diff
changeset
|
728 |
1155
07402a11fd8d
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parents:
1144
diff
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|
729 <tag-name id="var_ssl_session_id"><var>$ssl_session_id</var></tag-name> |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
730 <tag-desc> |
1072
502f4be2d62e
Documented the "ssl_session_reused" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
731 returns the session identifier of an established SSL connection; |
502f4be2d62e
Documented the "ssl_session_reused" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1055
diff
changeset
|
732 </tag-desc> |
502f4be2d62e
Documented the "ssl_session_reused" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1055
diff
changeset
|
733 |
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|
734 <tag-name id="var_ssl_session_reused"><var>$ssl_session_reused</var></tag-name> |
1072
502f4be2d62e
Documented the "ssl_session_reused" variable.
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parents:
1055
diff
changeset
|
735 <tag-desc> |
502f4be2d62e
Documented the "ssl_session_reused" variable.
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parents:
1055
diff
changeset
|
736 returns “<literal>r</literal>” if an SSL session was reused, |
502f4be2d62e
Documented the "ssl_session_reused" variable.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
737 or “<literal>.</literal>” otherwise (1.5.11). |
384
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
738 </tag-desc> |
331a86bc51ff
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parents:
diff
changeset
|
739 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
740 </list> |
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
741 </para> |
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
742 |
331a86bc51ff
English translation of ngx_http_ssl_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
743 </section> |
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
744 |
331a86bc51ff
English translation of ngx_http_ssl_module.
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parents:
diff
changeset
|
745 </module> |