Mercurial > hg > nginx-site
annotate xml/en/docs/stream/ngx_stream_proxy_module.xml @ 1965:976792854493
nginx.conf 2017 promo added.
author | Maxim Konovalov <maxim@nginx.com> |
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date | Tue, 18 Apr 2017 07:25:37 +0000 |
parents | 6839c258c473 |
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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_proxy_module" |
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10 link="/en/docs/stream/ngx_stream_proxy_module.html" |
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11 lang="en" |
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12 rev="17"> |
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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_proxy_module</literal> module (1.9.0) allows proxying |
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18 data streams over TCP, UDP (1.9.13), and UNIX-domain sockets. |
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19 </para> |
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20 |
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21 </section> |
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22 |
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23 |
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24 <section id="example" name="Example Configuration"> |
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25 |
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26 <para> |
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27 <example> |
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28 server { |
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29 listen 127.0.0.1:12345; |
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30 proxy_pass 127.0.0.1:8080; |
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31 } |
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32 |
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33 server { |
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34 listen 12345; |
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35 proxy_connect_timeout 1s; |
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36 proxy_timeout 1m; |
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37 proxy_pass example.com:12345; |
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38 } |
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39 |
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40 server { |
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41 listen 53 udp; |
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42 proxy_responses 1; |
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43 proxy_timeout 20s; |
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44 proxy_pass dns.example.com:53; |
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45 } |
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46 |
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47 server { |
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48 listen [::1]:12345; |
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49 proxy_pass unix:/tmp/stream.socket; |
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50 } |
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51 </example> |
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52 </para> |
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53 |
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54 </section> |
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55 |
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56 |
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57 <section id="directives" name="Directives"> |
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58 |
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59 <directive name="proxy_bind"> |
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60 <syntax> |
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61 <value>address</value> |
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62 [<literal>transparent</literal>] | |
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63 <literal>off</literal></syntax> |
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64 <default/> |
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65 <context>stream</context> |
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66 <context>server</context> |
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67 <appeared-in>1.9.2</appeared-in> |
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68 |
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69 <para> |
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70 Makes outgoing connections to a proxied server originate |
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71 from the specified local IP <value>address</value>. |
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72 Parameter value can contain variables (1.11.2). |
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73 The special value <literal>off</literal> cancels the effect |
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74 of the <literal>proxy_bind</literal> directive |
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75 inherited from the previous configuration level, which allows the |
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76 system to auto-assign the local IP address. |
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77 </para> |
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78 |
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79 <para id="proxy_bind_transparent"> |
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80 The <literal>transparent</literal> parameter (1.11.0) allows |
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81 outgoing connections to a proxied server originate |
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82 from a non-local IP address, |
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83 for example, from a real IP address of a client: |
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84 <example> |
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85 proxy_bind $remote_addr transparent; |
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86 </example> |
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87 In order for this parameter to work, |
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88 it is necessary to run nginx worker processes with the |
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89 <link doc="../ngx_core_module.xml" id="user">superuser</link> privileges |
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90 and configure kernel routing table |
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91 to intercept network traffic from the proxied server. |
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92 </para> |
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93 |
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94 </directive> |
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95 |
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96 |
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97 <directive name="proxy_buffer_size"> |
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98 <syntax><value>size</value></syntax> |
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99 <default>16k</default> |
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100 <context>stream</context> |
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101 <context>server</context> |
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102 <appeared-in>1.9.4</appeared-in> |
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103 |
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104 <para> |
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105 Sets the <value>size</value> of the buffer used for reading data |
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106 from the proxied server. |
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107 Also sets the <value>size</value> of the buffer used for reading data |
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108 from the client. |
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109 </para> |
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110 |
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111 </directive> |
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112 |
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113 |
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114 <directive name="proxy_connect_timeout"> |
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115 <syntax><value>time</value></syntax> |
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116 <default>60s</default> |
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117 <context>stream</context> |
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118 <context>server</context> |
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119 |
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120 <para> |
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121 Defines a timeout for establishing a connection with a proxied server. |
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122 </para> |
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123 |
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124 </directive> |
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125 |
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126 |
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127 <directive name="proxy_download_rate"> |
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128 <syntax><value>rate</value></syntax> |
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129 <default>0</default> |
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130 <context>stream</context> |
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131 <context>server</context> |
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132 <appeared-in>1.9.3</appeared-in> |
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133 |
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134 <para> |
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135 Limits the speed of reading the data from the proxied server. |
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136 The <value>rate</value> is specified in bytes per second. |
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137 The zero value disables rate limiting. |
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138 The limit is set per a connection, so if nginx simultaneously opens |
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139 two connections to the proxied server, |
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140 the overall rate will be twice as much as the specified limit. |
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141 </para> |
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142 |
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143 </directive> |
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144 |
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145 |
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146 <directive name="proxy_next_upstream"> |
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147 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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148 <default>on</default> |
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149 <context>stream</context> |
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150 <context>server</context> |
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151 |
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152 <para> |
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153 When a connection to the proxied server cannot be established, determines |
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154 whether a client connection will be passed to the next server. |
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155 </para> |
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156 |
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157 <para> |
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158 Passing a connection to the next server can be limited by |
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159 <link id="proxy_next_upstream_tries">the number of tries</link> |
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160 and by <link id="proxy_next_upstream_timeout">time</link>. |
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161 </para> |
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162 |
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163 </directive> |
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164 |
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165 |
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166 <directive name="proxy_next_upstream_timeout"> |
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167 <syntax><value>time</value></syntax> |
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168 <default>0</default> |
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169 <context>stream</context> |
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170 <context>server</context> |
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171 |
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172 <para> |
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173 Limits the time allowed to pass a connection to the |
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174 <link id="proxy_next_upstream">next server</link>. |
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175 The <literal>0</literal> value turns off this limitation. |
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176 </para> |
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177 |
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178 </directive> |
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179 |
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180 |
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181 <directive name="proxy_next_upstream_tries"> |
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182 <syntax><value>number</value></syntax> |
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183 <default>0</default> |
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184 <context>stream</context> |
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185 <context>server</context> |
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186 |
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187 <para> |
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188 Limits the number of possible tries for passing a connection to the |
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189 <link id="proxy_next_upstream">next server</link>. |
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190 The <literal>0</literal> value turns off this limitation. |
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191 </para> |
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192 |
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193 </directive> |
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194 |
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195 |
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196 <directive name="proxy_pass"> |
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197 <syntax><value>address</value></syntax> |
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198 <default/> |
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199 <context>server</context> |
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200 |
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201 <para> |
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202 Sets the address of a proxied server. |
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203 The address can be specified as a domain name or IP address, |
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204 and a port: |
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205 <example> |
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206 proxy_pass localhost:12345; |
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207 </example> |
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208 or as a UNIX-domain socket path: |
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209 <example> |
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210 proxy_pass unix:/tmp/stream.socket; |
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211 </example> |
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212 </para> |
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213 |
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214 <para> |
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215 If a domain name resolves to several addresses, all of them will be |
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216 used in a round-robin fashion. |
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217 In addition, an address can be specified as a |
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218 <link doc="ngx_stream_upstream_module.xml">server group</link>. |
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219 </para> |
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220 |
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221 <para> |
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222 The address can also be specified using variables (1.11.3): |
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223 <example> |
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224 proxy_pass $upstream; |
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225 </example> |
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226 In this case, the server name is searched among the described |
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227 <link doc="ngx_stream_upstream_module.xml">server groups</link>, |
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228 and, if not found, is determined using a |
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229 <link doc="ngx_stream_core_module.xml" id="resolver"/>. |
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230 </para> |
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231 |
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232 </directive> |
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233 |
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234 |
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235 <directive name="proxy_protocol"> |
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236 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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237 <default>off</default> |
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238 <context>stream</context> |
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239 <context>server</context> |
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240 <appeared-in>1.9.2</appeared-in> |
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241 |
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242 <para> |
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243 Enables the |
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244 <link url="http://www.haproxy.org/download/1.5/doc/proxy-protocol.txt">PROXY |
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245 protocol</link> for connections to a proxied server. |
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246 </para> |
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247 |
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248 </directive> |
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249 |
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250 |
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251 <directive name="proxy_responses"> |
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252 <syntax><value>number</value></syntax> |
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253 <default/> |
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254 <context>stream</context> |
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255 <context>server</context> |
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256 <appeared-in>1.9.13</appeared-in> |
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257 |
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258 <para> |
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259 Sets the number of datagrams expected from the proxied server |
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260 in response to the client request |
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261 if the <link doc="ngx_stream_core_module.xml" id="udp">UDP</link> |
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262 protocol is used. |
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263 By default, the number of datagrams is not limited: |
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264 the response datagrams will be sent |
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265 until the <link id="proxy_timeout"/> value expires. |
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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="proxy_ssl"> |
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272 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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273 <default>off</default> |
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274 <context>stream</context> |
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275 <context>server</context> |
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276 |
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277 <para> |
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278 Enables the SSL/TLS protocol for connections to a proxied server. |
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279 </para> |
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280 |
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281 </directive> |
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282 |
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283 |
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284 <directive name="proxy_ssl_certificate"> |
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285 <syntax><value>file</value></syntax> |
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286 <default/> |
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287 <context>stream</context> |
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288 <context>server</context> |
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289 |
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290 <para> |
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291 Specifies a <value>file</value> with the certificate in the PEM format |
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292 used for authentication to a proxied server. |
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293 </para> |
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294 |
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295 </directive> |
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296 |
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297 |
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298 <directive name="proxy_ssl_certificate_key"> |
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299 <syntax><value>file</value></syntax> |
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300 <default/> |
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301 <context>stream</context> |
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302 <context>server</context> |
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303 |
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304 <para> |
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305 Specifies a <value>file</value> with the secret key in the PEM format |
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306 used for authentication to a proxied server. |
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307 </para> |
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308 |
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309 </directive> |
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310 |
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311 |
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312 <directive name="proxy_ssl_ciphers"> |
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313 <syntax><value>ciphers</value></syntax> |
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314 <default>DEFAULT</default> |
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315 <context>stream</context> |
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316 <context>server</context> |
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317 |
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318 <para> |
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319 Specifies the enabled ciphers for connections to a proxied server. |
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320 The ciphers are specified in the format understood by the OpenSSL library. |
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321 </para> |
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322 |
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323 <para> |
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324 The full list can be viewed using the |
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325 “<command>openssl ciphers</command>” command. |
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326 </para> |
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327 |
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328 </directive> |
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329 |
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330 |
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331 <directive name="proxy_ssl_crl"> |
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332 <syntax><value>file</value></syntax> |
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333 <default/> |
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334 <context>stream</context> |
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335 <context>server</context> |
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336 |
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337 <para> |
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338 Specifies a <value>file</value> with revoked certificates (CRL) |
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339 in the PEM format used to <link id="proxy_ssl_verify">verify</link> |
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340 the certificate of the proxied server. |
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341 </para> |
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342 |
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343 </directive> |
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344 |
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345 |
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346 <directive name="proxy_ssl_name"> |
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347 <syntax><value>name</value></syntax> |
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348 <default>host from proxy_pass</default> |
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349 <context>stream</context> |
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350 <context>server</context> |
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351 |
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352 <para> |
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353 Allows overriding the server name used to |
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354 <link id="proxy_ssl_verify">verify</link> |
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355 the certificate of the proxied server and to be |
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356 <link id="proxy_ssl_server_name">passed through SNI</link> |
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357 when establishing a connection with the proxied server. |
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358 The server name can also be specified using variables (1.11.3). |
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359 </para> |
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360 |
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361 <para> |
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362 By default, the host part of the <link id="proxy_pass"/> address is used. |
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363 </para> |
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364 |
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|
365 </directive> |
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|
366 |
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|
367 |
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|
368 <directive name="proxy_ssl_password_file"> |
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369 <syntax><value>file</value></syntax> |
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370 <default/> |
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371 <context>stream</context> |
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372 <context>server</context> |
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373 |
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374 <para> |
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375 Specifies a <value>file</value> with passphrases for |
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376 <link id="proxy_ssl_certificate_key">secret keys</link> |
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377 where each passphrase is specified on a separate line. |
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378 Passphrases are tried in turn when loading the key. |
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379 </para> |
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380 |
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381 </directive> |
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382 |
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|
383 |
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|
384 <directive name="proxy_ssl_server_name"> |
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385 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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386 <default>off</default> |
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387 <context>stream</context> |
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388 <context>server</context> |
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389 |
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390 <para> |
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|
391 Enables or disables passing of the server name through |
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392 <link url="http://en.wikipedia.org/wiki/Server_Name_Indication">TLS |
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|
393 Server Name Indication extension</link> (SNI, RFC 6066) |
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394 when establishing a connection with the proxied server. |
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|
395 </para> |
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|
396 |
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|
397 </directive> |
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|
398 |
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|
399 |
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|
400 <directive name="proxy_ssl_session_reuse"> |
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Ruslan Ermilov <ru@nginx.com>
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|
401 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
402 <default>on</default> |
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|
403 <context>stream</context> |
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|
404 <context>server</context> |
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|
405 |
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|
406 <para> |
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|
407 Determines whether SSL sessions can be reused when working with |
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|
408 the proxied server. |
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|
409 If the errors |
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|
410 “<literal>SSL3_GET_FINISHED:digest check failed</literal>” |
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|
411 appear in the logs, try disabling session reuse. |
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|
412 </para> |
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|
413 |
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|
414 </directive> |
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|
415 |
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|
416 |
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|
417 <directive name="proxy_ssl_protocols"> |
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|
418 <syntax> |
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|
419 [<literal>SSLv2</literal>] |
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|
420 [<literal>SSLv3</literal>] |
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|
421 [<literal>TLSv1</literal>] |
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|
422 [<literal>TLSv1.1</literal>] |
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|
423 [<literal>TLSv1.2</literal>]</syntax> |
1499
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Removed SSLv3 from the default value of ssl_protocols and friends.
Yaroslav Zhuravlev <yar@nginx.com>
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424 <default>TLSv1 TLSv1.1 TLSv1.2</default> |
1450
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|
425 <context>stream</context> |
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|
426 <context>server</context> |
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|
427 |
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|
428 <para> |
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|
429 Enables the specified protocols for connections to a proxied server. |
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|
430 </para> |
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|
431 |
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|
432 </directive> |
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|
433 |
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|
434 |
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|
435 <directive name="proxy_ssl_trusted_certificate"> |
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|
436 <syntax><value>file</value></syntax> |
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|
437 <default/> |
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|
438 <context>stream</context> |
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Ruslan Ermilov <ru@nginx.com>
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|
439 <context>server</context> |
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|
440 |
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changeset
|
441 <para> |
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|
442 Specifies a <value>file</value> with trusted CA certificates in the PEM format |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
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changeset
|
443 used to <link id="proxy_ssl_verify">verify</link> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
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|
444 the certificate of the proxied server. |
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|
445 </para> |
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|
446 |
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|
447 </directive> |
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|
448 |
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changeset
|
449 |
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|
450 <directive name="proxy_ssl_verify"> |
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|
451 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
452 <default>off</default> |
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|
453 <context>stream</context> |
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|
454 <context>server</context> |
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Ruslan Ermilov <ru@nginx.com>
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changeset
|
455 |
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|
456 <para> |
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|
457 Enables or disables verification of the proxied server certificate. |
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|
458 </para> |
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|
459 |
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|
460 </directive> |
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|
461 |
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changeset
|
462 |
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changeset
|
463 <directive name="proxy_ssl_verify_depth"> |
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|
464 <syntax><value>number</value></syntax> |
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|
465 <default>1</default> |
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changeset
|
466 <context>stream</context> |
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Ruslan Ermilov <ru@nginx.com>
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changeset
|
467 <context>server</context> |
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Ruslan Ermilov <ru@nginx.com>
parents:
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changeset
|
468 |
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Ruslan Ermilov <ru@nginx.com>
parents:
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changeset
|
469 <para> |
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changeset
|
470 Sets the verification depth in the proxied server certificates chain. |
f5b5eefc43cb
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Ruslan Ermilov <ru@nginx.com>
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changeset
|
471 </para> |
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diff
changeset
|
472 |
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|
473 </directive> |
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|
474 |
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|
475 |
1367
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
476 <directive name="proxy_timeout"> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
477 <syntax><value>timeout</value></syntax> |
f1e14d87d833
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
478 <default>10m</default> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
479 <context>stream</context> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
480 <context>server</context> |
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
481 |
f1e14d87d833
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Ruslan Ermilov <ru@nginx.com>
parents:
diff
changeset
|
482 <para> |
1526
7b15698cbdb7
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483 Sets the <value>timeout</value> between two successive |
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484 read or write operations on client or proxied server connections. |
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485 If no data is transmitted within this time, the connection is closed. |
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486 </para> |
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487 |
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488 </directive> |
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489 |
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490 |
1535
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491 <directive name="proxy_upload_rate"> |
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492 <syntax><value>rate</value></syntax> |
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493 <default>0</default> |
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494 <context>stream</context> |
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495 <context>server</context> |
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496 <appeared-in>1.9.3</appeared-in> |
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497 |
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498 <para> |
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499 Limits the speed of reading the data from the client. |
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500 The <value>rate</value> is specified in bytes per second. |
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501 The zero value disables rate limiting. |
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502 The limit is set per a connection, so if the client simultaneously opens |
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503 two connections, |
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504 the overall rate will be twice as much as the specified limit. |
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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 </section> |
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510 |
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511 </module> |