Mercurial > hg > nginx-site
annotate xml/en/docs/stream/ngx_stream_proxy_module.xml @ 1846:bfac366fa1e4
Added article about nginScript.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 01 Dec 2016 20:09:24 +0300 |
parents | 2e0d07952c8f |
children | 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="16"> |
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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><value>address</value> [transparent] | <literal>off</literal></syntax> |
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61 <default/> |
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62 <context>stream</context> |
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63 <context>server</context> |
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64 <appeared-in>1.9.2</appeared-in> |
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65 |
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66 <para> |
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67 Makes outgoing connections to a proxied server originate |
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68 from the specified local IP <value>address</value>. |
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69 Parameter value can contain variables (1.11.2). |
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70 The special value <literal>off</literal> cancels the effect |
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71 of the <literal>proxy_bind</literal> directive |
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72 inherited from the previous configuration level, which allows the |
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73 system to auto-assign the local IP address. |
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74 </para> |
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75 |
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76 <para id="proxy_bind_transparent"> |
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77 The <literal>transparent</literal> parameter (1.11.0) allows |
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78 outgoing connections to a proxied server originate |
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79 from a non-local IP address, |
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80 for example, from a real IP address of a client: |
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81 <example> |
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82 proxy_bind $remote_addr transparent; |
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83 </example> |
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84 In order for this parameter to work, |
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85 it is necessary to run nginx worker processes with the |
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86 <link doc="../ngx_core_module.xml" id="user">superuser</link> privileges |
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87 and configure kernel routing table |
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88 to intercept network traffic from the proxied server. |
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89 </para> |
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90 |
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91 </directive> |
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92 |
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93 |
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94 <directive name="proxy_buffer_size"> |
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95 <syntax><value>size</value></syntax> |
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96 <default>16k</default> |
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97 <context>stream</context> |
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98 <context>server</context> |
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99 <appeared-in>1.9.4</appeared-in> |
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100 |
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101 <para> |
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102 Sets the <value>size</value> of the buffer used for reading data |
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103 from the proxied server. |
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104 Also sets the <value>size</value> of the buffer used for reading data |
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105 from the client. |
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106 </para> |
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107 |
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108 </directive> |
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109 |
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110 |
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111 <directive name="proxy_connect_timeout"> |
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112 <syntax><value>time</value></syntax> |
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113 <default>60s</default> |
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114 <context>stream</context> |
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115 <context>server</context> |
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116 |
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117 <para> |
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118 Defines a timeout for establishing a connection with a proxied server. |
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119 </para> |
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120 |
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121 </directive> |
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122 |
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123 |
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124 <directive name="proxy_download_rate"> |
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125 <syntax><value>rate</value></syntax> |
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126 <default>0</default> |
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127 <context>stream</context> |
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128 <context>server</context> |
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129 <appeared-in>1.9.3</appeared-in> |
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130 |
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131 <para> |
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132 Limits the speed of reading the data from the proxied server. |
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133 The <value>rate</value> is specified in bytes per second. |
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134 The zero value disables rate limiting. |
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135 The limit is set per a connection, so if nginx simultaneously opens |
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136 two connections to the proxied server, |
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137 the overall rate will be twice as much as the specified limit. |
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138 </para> |
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139 |
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140 </directive> |
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141 |
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142 |
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143 <directive name="proxy_next_upstream"> |
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144 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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145 <default>on</default> |
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146 <context>stream</context> |
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147 <context>server</context> |
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148 |
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149 <para> |
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150 When a connection to the proxied server cannot be established, determines |
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151 whether a client connection will be passed to the next server. |
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152 </para> |
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153 |
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154 <para> |
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155 Passing a connection to the next server can be limited by |
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156 <link id="proxy_next_upstream_tries">the number of tries</link> |
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157 and by <link id="proxy_next_upstream_timeout">time</link>. |
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158 </para> |
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159 |
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160 </directive> |
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161 |
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162 |
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163 <directive name="proxy_next_upstream_timeout"> |
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164 <syntax><value>time</value></syntax> |
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165 <default>0</default> |
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166 <context>stream</context> |
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167 <context>server</context> |
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168 |
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169 <para> |
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170 Limits the time allowed to pass a connection to the |
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171 <link id="proxy_next_upstream">next server</link>. |
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172 The <literal>0</literal> value turns off this limitation. |
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173 </para> |
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174 |
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175 </directive> |
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176 |
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177 |
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178 <directive name="proxy_next_upstream_tries"> |
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179 <syntax><value>number</value></syntax> |
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180 <default>0</default> |
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181 <context>stream</context> |
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182 <context>server</context> |
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183 |
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184 <para> |
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185 Limits the number of possible tries for passing a connection to the |
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186 <link id="proxy_next_upstream">next server</link>. |
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187 The <literal>0</literal> value turns off this limitation. |
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188 </para> |
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189 |
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190 </directive> |
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191 |
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192 |
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193 <directive name="proxy_pass"> |
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194 <syntax><value>address</value></syntax> |
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195 <default/> |
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196 <context>server</context> |
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197 |
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198 <para> |
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199 Sets the address of a proxied server. |
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200 The address can be specified as a domain name or IP address, |
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201 and a port: |
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202 <example> |
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203 proxy_pass localhost:12345; |
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204 </example> |
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205 or as a UNIX-domain socket path: |
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206 <example> |
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207 proxy_pass unix:/tmp/stream.socket; |
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208 </example> |
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209 </para> |
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210 |
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211 <para> |
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212 If a domain name resolves to several addresses, all of them will be |
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213 used in a round-robin fashion. |
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214 In addition, an address can be specified as a |
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215 <link doc="ngx_stream_upstream_module.xml">server group</link>. |
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216 </para> |
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217 |
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218 <para> |
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219 The address can also be specified using variables (1.11.3): |
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220 <example> |
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221 proxy_pass $upstream; |
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222 </example> |
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223 In this case, the server name is searched among the described |
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224 <link doc="ngx_stream_upstream_module.xml">server groups</link>, |
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225 and, if not found, is determined using a |
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226 <link doc="ngx_stream_core_module.xml" id="resolver"/>. |
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227 </para> |
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228 |
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229 </directive> |
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230 |
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231 |
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232 <directive name="proxy_protocol"> |
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233 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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234 <default>off</default> |
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235 <context>stream</context> |
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236 <context>server</context> |
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237 <appeared-in>1.9.2</appeared-in> |
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238 |
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239 <para> |
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240 Enables the |
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241 <link url="http://www.haproxy.org/download/1.5/doc/proxy-protocol.txt">PROXY |
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242 protocol</link> for connections to a proxied server. |
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243 </para> |
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244 |
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245 </directive> |
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246 |
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247 |
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248 <directive name="proxy_responses"> |
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249 <syntax><value>number</value></syntax> |
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250 <default/> |
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251 <context>stream</context> |
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252 <context>server</context> |
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253 <appeared-in>1.9.13</appeared-in> |
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254 |
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255 <para> |
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256 Sets the number of datagrams expected from the proxied server |
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257 in response to the client request |
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258 if the <link doc="ngx_stream_core_module.xml" id="udp">UDP</link> |
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259 protocol is used. |
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260 By default, the number of datagrams is not limited: |
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261 the response datagrams will be sent |
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262 until the <link id="proxy_timeout"/> value expires. |
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263 </para> |
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264 |
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265 </directive> |
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266 |
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267 |
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268 <directive name="proxy_ssl"> |
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269 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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270 <default>off</default> |
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271 <context>stream</context> |
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272 <context>server</context> |
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273 |
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274 <para> |
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275 Enables the SSL/TLS protocol for connections to a proxied server. |
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276 </para> |
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277 |
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278 </directive> |
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279 |
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280 |
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281 <directive name="proxy_ssl_certificate"> |
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282 <syntax><value>file</value></syntax> |
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283 <default/> |
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284 <context>stream</context> |
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285 <context>server</context> |
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286 |
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287 <para> |
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288 Specifies a <value>file</value> with the certificate in the PEM format |
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289 used for authentication to a proxied server. |
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290 </para> |
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291 |
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292 </directive> |
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293 |
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294 |
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295 <directive name="proxy_ssl_certificate_key"> |
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296 <syntax><value>file</value></syntax> |
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297 <default/> |
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298 <context>stream</context> |
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299 <context>server</context> |
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300 |
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301 <para> |
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302 Specifies a <value>file</value> with the secret key in the PEM format |
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303 used for authentication to a proxied server. |
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304 </para> |
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305 |
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306 </directive> |
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307 |
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308 |
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309 <directive name="proxy_ssl_ciphers"> |
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310 <syntax><value>ciphers</value></syntax> |
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311 <default>DEFAULT</default> |
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312 <context>stream</context> |
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313 <context>server</context> |
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314 |
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315 <para> |
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316 Specifies the enabled ciphers for connections to a proxied server. |
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317 The ciphers are specified in the format understood by the OpenSSL library. |
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318 </para> |
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319 |
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320 <para> |
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321 The full list can be viewed using the |
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322 “<command>openssl ciphers</command>” command. |
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323 </para> |
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324 |
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325 </directive> |
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326 |
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327 |
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328 <directive name="proxy_ssl_crl"> |
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329 <syntax><value>file</value></syntax> |
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330 <default/> |
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331 <context>stream</context> |
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332 <context>server</context> |
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333 |
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334 <para> |
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335 Specifies a <value>file</value> with revoked certificates (CRL) |
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336 in the PEM format used to <link id="proxy_ssl_verify">verify</link> |
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337 the certificate of the proxied server. |
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338 </para> |
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339 |
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340 </directive> |
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341 |
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342 |
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343 <directive name="proxy_ssl_name"> |
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344 <syntax><value>name</value></syntax> |
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345 <default>host from proxy_pass</default> |
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346 <context>stream</context> |
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347 <context>server</context> |
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348 |
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349 <para> |
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350 Allows overriding the server name used to |
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351 <link id="proxy_ssl_verify">verify</link> |
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352 the certificate of the proxied server and to be |
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353 <link id="proxy_ssl_server_name">passed through SNI</link> |
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354 when establishing a connection with the proxied server. |
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355 The server name can also be specified using variables (1.11.3). |
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356 </para> |
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357 |
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358 <para> |
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359 By default, the host part of the <link id="proxy_pass"/> address is used. |
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360 </para> |
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361 |
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362 </directive> |
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363 |
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364 |
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365 <directive name="proxy_ssl_password_file"> |
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366 <syntax><value>file</value></syntax> |
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367 <default/> |
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368 <context>stream</context> |
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369 <context>server</context> |
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370 |
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371 <para> |
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372 Specifies a <value>file</value> with passphrases for |
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373 <link id="proxy_ssl_certificate_key">secret keys</link> |
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374 where each passphrase is specified on a separate line. |
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375 Passphrases are tried in turn when loading the key. |
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376 </para> |
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377 |
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378 </directive> |
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379 |
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380 |
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381 <directive name="proxy_ssl_server_name"> |
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382 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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383 <default>off</default> |
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384 <context>stream</context> |
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385 <context>server</context> |
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386 |
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387 <para> |
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388 Enables or disables passing of the server name through |
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389 <link url="http://en.wikipedia.org/wiki/Server_Name_Indication">TLS |
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390 Server Name Indication extension</link> (SNI, RFC 6066) |
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391 when establishing a connection with the proxied server. |
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392 </para> |
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393 |
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394 </directive> |
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|
395 |
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396 |
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397 <directive name="proxy_ssl_session_reuse"> |
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398 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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399 <default>on</default> |
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400 <context>stream</context> |
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401 <context>server</context> |
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|
402 |
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403 <para> |
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404 Determines whether SSL sessions can be reused when working with |
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|
405 the proxied server. |
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|
406 If the errors |
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407 “<literal>SSL3_GET_FINISHED:digest check failed</literal>” |
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|
408 appear in the logs, try disabling session reuse. |
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409 </para> |
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|
410 |
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411 </directive> |
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|
412 |
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|
413 |
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414 <directive name="proxy_ssl_protocols"> |
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415 <syntax> |
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416 [<literal>SSLv2</literal>] |
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417 [<literal>SSLv3</literal>] |
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418 [<literal>TLSv1</literal>] |
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419 [<literal>TLSv1.1</literal>] |
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420 [<literal>TLSv1.2</literal>]</syntax> |
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421 <default>TLSv1 TLSv1.1 TLSv1.2</default> |
1450
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422 <context>stream</context> |
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423 <context>server</context> |
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|
424 |
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|
425 <para> |
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|
426 Enables the specified protocols for connections to a proxied server. |
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|
427 </para> |
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|
428 |
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|
429 </directive> |
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|
430 |
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|
431 |
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|
432 <directive name="proxy_ssl_trusted_certificate"> |
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|
433 <syntax><value>file</value></syntax> |
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|
434 <default/> |
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|
435 <context>stream</context> |
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|
436 <context>server</context> |
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|
437 |
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|
438 <para> |
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|
439 Specifies a <value>file</value> with trusted CA certificates in the PEM format |
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|
440 used to <link id="proxy_ssl_verify">verify</link> |
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|
441 the certificate of the proxied server. |
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|
442 </para> |
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|
443 |
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|
444 </directive> |
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|
445 |
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|
446 |
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|
447 <directive name="proxy_ssl_verify"> |
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|
448 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
449 <default>off</default> |
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|
450 <context>stream</context> |
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|
451 <context>server</context> |
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|
452 |
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|
453 <para> |
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|
454 Enables or disables verification of the proxied server certificate. |
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|
455 </para> |
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|
456 |
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|
457 </directive> |
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|
458 |
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|
459 |
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|
460 <directive name="proxy_ssl_verify_depth"> |
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|
461 <syntax><value>number</value></syntax> |
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|
462 <default>1</default> |
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|
463 <context>stream</context> |
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|
464 <context>server</context> |
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|
465 |
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|
466 <para> |
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|
467 Sets the verification depth in the proxied server certificates chain. |
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|
468 </para> |
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|
469 |
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|
470 </directive> |
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|
471 |
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|
472 |
1367
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diff
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|
473 <directive name="proxy_timeout"> |
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|
474 <syntax><value>timeout</value></syntax> |
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|
475 <default>10m</default> |
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diff
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|
476 <context>stream</context> |
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diff
changeset
|
477 <context>server</context> |
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parents:
diff
changeset
|
478 |
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diff
changeset
|
479 <para> |
1526
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Updated the proxy_timeout directive for mail and stream.
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changeset
|
480 Sets the <value>timeout</value> between two successive |
7b15698cbdb7
Updated the proxy_timeout directive for mail and stream.
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changeset
|
481 read or write operations on client or proxied server connections. |
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Updated the proxy_timeout directive for mail and stream.
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1518
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482 If no data is transmitted within this time, the connection is closed. |
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483 </para> |
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484 |
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485 </directive> |
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486 |
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487 |
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488 <directive name="proxy_upload_rate"> |
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489 <syntax><value>rate</value></syntax> |
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490 <default>0</default> |
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491 <context>stream</context> |
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492 <context>server</context> |
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493 <appeared-in>1.9.3</appeared-in> |
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494 |
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495 <para> |
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496 Limits the speed of reading the data from the client. |
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497 The <value>rate</value> is specified in bytes per second. |
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498 The zero value disables rate limiting. |
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499 The limit is set per a connection, so if the client simultaneously opens |
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500 two connections, |
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501 the overall rate will be twice as much as the specified limit. |
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502 </para> |
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503 |
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504 </directive> |
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505 |
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506 </section> |
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507 |
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508 </module> |