Mercurial > hg > nginx-site
annotate xml/en/docs/stream/ngx_stream_ssl_module.xml @ 1503:a9ffc9dd41e0
Added the "ngx_stream_access_module" module.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Wed, 10 Jun 2015 14:02:58 +0300 |
parents | 3687cc9a3592 |
children | e3d3e2ed4275 |
rev | line source |
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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) Nginx, Inc. |
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5 --> |
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6 |
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7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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8 |
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9 <module name="Module ngx_stream_ssl_module" |
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10 link="/en/docs/stream/ngx_stream_ssl_module.html" |
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11 lang="en" |
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12 rev="4"> |
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13 |
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14 <section id="summary"> |
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15 |
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16 <para> |
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17 The <literal>ngx_stream_ssl_module</literal> module (1.9.0) |
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18 provides the necessary support for a stream proxy server to work with |
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19 the SSL/TLS protocol. |
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20 This module is not built by default, it should be enabled with the |
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21 <literal>--with-stream_ssl_module</literal> |
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22 configuration parameter. |
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23 </para> |
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24 |
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25 </section> |
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26 |
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27 |
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28 <section id="directives" name="Directives"> |
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29 |
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30 <directive name="ssl_certificate"> |
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31 <syntax><value>file</value></syntax> |
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32 <default/> |
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33 <context>stream</context> |
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34 <context>server</context> |
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35 |
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36 <para> |
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37 Specifies a <value>file</value> with the certificate in the PEM format |
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38 for the given server. |
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39 If intermediate certificates should be specified in addition to a primary |
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40 certificate, they should be specified in the same file in the following |
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41 order: the primary certificate comes first, then the intermediate certificates. |
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42 A secret key in the PEM format may be placed in the same file. |
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43 </para> |
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44 |
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45 </directive> |
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46 |
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47 |
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48 <directive name="ssl_certificate_key"> |
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49 <syntax><value>file</value></syntax> |
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50 <default/> |
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51 <context>stream</context> |
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52 <context>server</context> |
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53 |
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54 <para> |
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55 Specifies a <value>file</value> with the secret key in the PEM format |
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56 for the given server. |
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57 </para> |
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58 |
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59 <para> |
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60 The value |
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61 <literal>engine</literal>:<value>name</value>:<value>id</value> |
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62 can be specified instead of the <value>file</value>, |
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63 which loads a secret key with a specified <value>id</value> |
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64 from the OpenSSL engine <value>name</value>. |
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65 </para> |
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66 |
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67 </directive> |
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68 |
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69 |
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70 <directive name="ssl_ciphers"> |
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71 <syntax><value>ciphers</value></syntax> |
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72 <default>HIGH:!aNULL:!MD5</default> |
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73 <context>stream</context> |
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74 <context>server</context> |
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75 |
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76 <para> |
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77 Specifies the enabled ciphers. |
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78 The ciphers are specified in the format understood by the |
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79 OpenSSL library, for example: |
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80 <example> |
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81 ssl_ciphers ALL:!aNULL:!EXPORT56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP; |
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82 </example> |
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83 </para> |
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84 |
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85 <para> |
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86 The full list can be viewed using the |
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87 “<command>openssl ciphers</command>” command. |
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88 </para> |
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89 |
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90 </directive> |
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91 |
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92 |
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93 <directive name="ssl_dhparam"> |
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94 <syntax><value>file</value></syntax> |
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95 <default/> |
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96 <context>stream</context> |
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97 <context>server</context> |
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98 |
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99 <para> |
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100 Specifies a <value>file</value> with DH parameters for EDH ciphers. |
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101 </para> |
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102 |
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103 </directive> |
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104 |
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105 |
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106 <directive name="ssl_ecdh_curve"> |
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107 <syntax><value>curve</value></syntax> |
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108 <default>prime256v1</default> |
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109 <context>stream</context> |
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110 <context>server</context> |
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111 |
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112 <para> |
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113 Specifies a <value>curve</value> for ECDHE ciphers. |
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114 </para> |
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115 |
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116 </directive> |
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117 |
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118 |
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119 <directive name="ssl_handshake_timeout"> |
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120 <syntax><value>time</value></syntax> |
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121 <default>60s</default> |
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122 <context>stream</context> |
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123 <context>server</context> |
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124 |
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125 <para> |
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126 Specifies a timeout for the SSL handshake to complete. |
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127 </para> |
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128 |
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129 </directive> |
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130 |
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131 |
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132 <directive name="ssl_password_file"> |
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133 <syntax><value>file</value></syntax> |
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134 <default/> |
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135 <context>stream</context> |
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136 <context>server</context> |
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137 |
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138 <para> |
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139 Specifies a <value>file</value> with passphrases for |
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140 <link id="ssl_certificate_key">secret keys</link> |
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141 where each passphrase is specified on a separate line. |
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142 Passphrases are tried in turn when loading the key. |
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143 </para> |
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144 |
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145 <para> |
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146 Example: |
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147 <example> |
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148 stream { |
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149 ssl_password_file /etc/keys/global.pass; |
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150 ... |
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151 |
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152 server { |
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153 listen 127.0.0.1:12345; |
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154 ssl_certificate_key /etc/keys/first.key; |
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155 } |
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156 |
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157 server { |
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158 listen 127.0.0.1:12346; |
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159 |
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160 # named pipe can also be used instead of a file |
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161 ssl_password_file /etc/keys/fifo; |
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162 ssl_certificate_key /etc/keys/second.key; |
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163 } |
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164 } |
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165 </example> |
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166 </para> |
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167 |
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168 </directive> |
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169 |
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170 |
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171 <directive name="ssl_prefer_server_ciphers"> |
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172 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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173 <default>off</default> |
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174 <context>stream</context> |
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175 <context>server</context> |
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176 |
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177 <para> |
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178 Specifies that server ciphers should be preferred over client ciphers |
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179 when the SSLv3 and TLS protocols are used. |
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180 </para> |
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181 |
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182 </directive> |
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183 |
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184 |
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185 <directive name="ssl_protocols"> |
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186 <syntax> |
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187 [<literal>SSLv2</literal>] |
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188 [<literal>SSLv3</literal>] |
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189 [<literal>TLSv1</literal>] |
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190 [<literal>TLSv1.1</literal>] |
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191 [<literal>TLSv1.2</literal>]</syntax> |
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192 <default>TLSv1 TLSv1.1 TLSv1.2</default> |
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193 <context>stream</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 Enables the specified protocols. |
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198 The <literal>TLSv1.1</literal> and <literal>TLSv1.2</literal> parameters work |
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199 only when the OpenSSL library of version 1.0.1 or higher is used. |
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200 </para> |
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201 |
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202 </directive> |
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203 |
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204 |
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205 <directive name="ssl_session_cache"> |
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206 <syntax> |
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207 <literal>off</literal> | |
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208 <literal>none</literal> | |
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209 [<literal>builtin</literal>[:<value>size</value>]] |
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210 [<literal>shared</literal>:<value>name</value>:<value>size</value>]</syntax> |
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211 <default>none</default> |
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212 <context>stream</context> |
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213 <context>server</context> |
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214 |
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215 <para> |
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216 Sets the types and sizes of caches that store session parameters. |
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217 A cache can be of any of the following types: |
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218 <list type="tag"> |
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219 |
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220 <tag-name><literal>off</literal></tag-name> |
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221 <tag-desc> |
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222 the use of a session cache is strictly prohibited: |
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223 nginx explicitly tells a client that sessions may not be reused. |
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224 </tag-desc> |
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225 |
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226 <tag-name><literal>none</literal></tag-name> |
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227 <tag-desc> |
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228 the use of a session cache is gently disallowed: |
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229 nginx tells a client that sessions may be reused, but does not |
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230 actually store session parameters in the cache. |
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231 </tag-desc> |
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232 |
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233 <tag-name><literal>builtin</literal></tag-name> |
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234 <tag-desc> |
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235 a cache built in OpenSSL; used by one worker process only. |
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236 The cache size is specified in sessions. |
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237 If size is not given, it is equal to 20480 sessions. |
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238 Use of the built-in cache can cause memory fragmentation. |
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239 </tag-desc> |
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240 |
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241 <tag-name><literal>shared</literal></tag-name> |
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242 <tag-desc> |
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243 a cache shared between all worker processes. |
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244 The cache size is specified in bytes; one megabyte can store |
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245 about 4000 sessions. |
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246 Each shared cache should have an arbitrary name. |
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247 A cache with the same name can be used in several |
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248 servers. |
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249 </tag-desc> |
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250 |
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251 </list> |
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252 </para> |
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253 |
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254 <para> |
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255 Both cache types can be used simultaneously, for example: |
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256 <example> |
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257 ssl_session_cache builtin:1000 shared:SSL:10m; |
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258 </example> |
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259 but using only shared cache without the built-in cache should |
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260 be more efficient. |
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261 </para> |
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262 |
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263 </directive> |
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264 |
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265 |
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266 <directive name="ssl_session_ticket_key"> |
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267 <syntax><value>file</value></syntax> |
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268 <default/> |
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269 <context>stream</context> |
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270 <context>server</context> |
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271 |
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272 <para> |
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273 Sets a <value>file</value> with the secret key used to encrypt |
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274 and decrypt TLS session tickets. |
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275 The directive is necessary if the same key has to be shared between |
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276 multiple servers. |
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277 By default, a randomly generated key is used. |
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278 </para> |
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279 |
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280 <para> |
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281 If several keys are specified, only the first key is |
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282 used to encrypt TLS session tickets. |
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283 This allows configuring key rotation, for example: |
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284 <example> |
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285 ssl_session_ticket_key current.key; |
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286 ssl_session_ticket_key previous.key; |
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287 </example> |
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288 </para> |
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289 |
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290 <para> |
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291 The <value>file</value> must contain 48 bytes of random data and can |
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292 be created using the following command: |
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293 <example> |
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294 openssl rand 48 > ticket.key |
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295 </example> |
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296 </para> |
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297 |
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298 </directive> |
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299 |
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300 |
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301 <directive name="ssl_session_tickets"> |
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302 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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303 <default>on</default> |
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304 <context>stream</context> |
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305 <context>server</context> |
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306 |
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307 <para> |
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308 Enables or disables session resumption through |
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309 <link url="http://tools.ietf.org/html/rfc5077">TLS session tickets</link>. |
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310 </para> |
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311 |
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312 </directive> |
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313 |
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314 |
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315 <directive name="ssl_session_timeout"> |
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316 <syntax><value>time</value></syntax> |
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317 <default>5m</default> |
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318 <context>stream</context> |
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319 <context>server</context> |
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320 |
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321 <para> |
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322 Specifies a time during which a client may reuse the |
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323 session parameters stored in a cache. |
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324 </para> |
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325 |
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326 </directive> |
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327 |
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328 </section> |
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329 |
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330 </module> |