Mercurial > hg > nginx-site
annotate xml/en/docs/http/ngx_http_browser_module.xml @ 580:be54c443235a
Added copyright markers to documentation sources.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Tue, 10 Jul 2012 12:59:42 +0000 |
parents | a4fa80755eab |
children | 764fbac1b8b4 |
rev | line source |
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315
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1 <?xml version="1.0"?> |
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2 |
580
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
315
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
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10 <module name="Module ngx_http_browser_module" |
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11 link="/en/docs/http/ngx_http_browser_module.html" |
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12 lang="en"> |
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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_http_browser_module</literal> module creates variables |
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18 whose values depend on the value of the <header>User-Agent</header> |
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19 request header field: |
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20 <list type="tag"> |
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21 |
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22 <tag-name><var>$modern_browser</var></tag-name> |
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23 <tag-desc> |
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24 equals to the value set by the <link id="modern_browser_value"/> directive, |
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25 if a browser was identified as modern; |
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26 </tag-desc> |
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27 |
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28 <tag-name><var>$ancient_browser</var></tag-name> |
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29 <tag-desc> |
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30 equals to the value set by the <link id="ancient_browser_value"/> directive, |
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31 if a browser was identified as ancient; |
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32 </tag-desc> |
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33 |
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34 <tag-name><var>$msie</var></tag-name> |
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35 <tag-desc> |
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36 equals “1” if a browser was identified as MSIE of any version. |
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37 </tag-desc> |
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38 |
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39 </list> |
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40 </para> |
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41 |
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42 </section> |
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43 |
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44 |
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45 <section id="example" name="Example Configuration"> |
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46 |
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47 <para> |
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48 Choosing an index file: |
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49 <example> |
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50 modern_browser_value "modern."; |
315
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51 |
351
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52 modern_browser msie 5.5; |
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53 modern_browser gecko 1.0.0; |
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54 modern_browser opera 9.0; |
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55 modern_browser safari 413; |
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56 modern_browser konqueror 3.0; |
315
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57 |
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58 index index.${modern_browser}html index.html; |
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59 </example> |
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60 </para> |
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61 |
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62 <para> |
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63 Redirection for old browsers: |
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64 <example> |
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65 modern_browser msie 5.0; |
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66 modern_browser gecko 0.9.1; |
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67 modern_browser opera 8.0; |
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68 modern_browser safari 413; |
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69 modern_browser konqueror 3.0; |
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70 |
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71 modern_browser unlisted; |
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72 |
351
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73 ancient_browser Links Lynx netscape4; |
315
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74 |
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75 if ($ancient_browser) { |
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76 rewrite ^ /ancient.html; |
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77 } |
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78 </example> |
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79 </para> |
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80 |
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81 </section> |
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82 |
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83 |
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84 <section id="directives" name="Directives"> |
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85 |
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86 <directive name="ancient_browser"> |
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87 <syntax><value>string</value> ...</syntax> |
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88 <default/> |
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89 <context>http</context> |
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90 <context>server</context> |
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91 <context>location</context> |
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92 |
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93 <para> |
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94 If any of the specified substrings is found in the <header>User-Agent</header> |
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95 request header field, a browser will be considered ancient. |
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96 The special string “<literal>netscape4</literal>” corresponds to the |
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97 regular expression “<literal>^Mozilla/[1-4]</literal>”. |
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98 </para> |
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99 |
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100 </directive> |
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101 |
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102 |
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103 <directive name="ancient_browser_value"> |
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104 <syntax><value>string</value></syntax> |
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105 <default>1</default> |
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106 <context>http</context> |
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107 <context>server</context> |
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108 <context>location</context> |
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109 |
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110 <para> |
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111 Sets a value for the <var>$ancient_browser</var> variables. |
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112 </para> |
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113 |
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114 </directive> |
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115 |
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116 |
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117 <directive name="modern_browser"> |
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118 <syntax><value>browser</value> <value>version</value></syntax> |
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119 <syntax><literal>unlisted</literal></syntax> |
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120 <default/> |
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121 <context>http</context> |
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122 <context>server</context> |
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123 <context>location</context> |
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124 |
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125 <para> |
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126 Specifies a version starting from which a browser is considered modern. |
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127 A browser can be any one of the following: <literal>msie</literal>, |
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128 <literal>gecko</literal> (browsers based on Mozilla), |
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129 <literal>opera</literal>, <literal>safari</literal>, |
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130 or <literal>konqueror</literal>. |
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131 </para> |
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132 |
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133 <para> |
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134 Versions can be specified in the following formats: X, X.X, X.X.X, or X.X.X.X. |
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135 The maximum values for each of the format are |
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136 4000, 4000.99, 4000.99.99, and 4000.99.99.99, respectively. |
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137 </para> |
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138 |
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139 <para> |
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140 The special value <literal>unlisted</literal> specifies to consider |
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141 a browser as modern if it was not listed by the |
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142 <literal>modern_browser</literal> and <link id="ancient_browser"/> |
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143 directives. |
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144 Otherwise such a browser is considered ancient. |
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145 If a request does not provide the <header>User-Agent</header> field |
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146 in the header, a browser is treated as not being listed. |
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147 </para> |
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148 |
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149 </directive> |
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150 |
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151 |
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152 <directive name="modern_browser_value"> |
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153 <syntax><value>string</value></syntax> |
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154 <default>1</default> |
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155 <context>http</context> |
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156 <context>server</context> |
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157 <context>location</context> |
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158 |
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159 <para> |
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160 Sets a value for the <var>$modern_browser</var> variables. |
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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 </section> |
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166 |
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167 </module> |