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annotate xml/en/docs/http/ngx_http_sub_module.xml @ 617:368a449e85b8

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Expanded documentation of what various parameters of the "listen" directive related to socket options do. While here, documented the fact that accept filters also work on NetBSD.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 02 Aug 2012 13:24:07 +0000
parents 764fbac1b8b4
children ae785c6aaa91
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1 <?xml version="1.0"?>
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2
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3 <!--
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4 Copyright (C) Igor Sysoev
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5 Copyright (C) Nginx, Inc.
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6 -->
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7
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
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9
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10 <module name="Module ngx_http_sub_module"
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11 link="/en/docs/http/ngx_http_sub_module.html"
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12 lang="en"
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13 rev="1">
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14
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15 <section id="summary">
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16
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17 <para>
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18 The <literal>ngx_http_sub_module</literal> module is a filter
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19 that modifies a response by replacing one specified string by another.
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20 </para>
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21
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22 <para>
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23 This module is not built by default, it should be enabled with the
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24 <literal>--with-http_sub_module</literal>
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25 configuration parameter.
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26 </para>
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27
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28 </section>
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29
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30
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31 <section id="example" name="Example Configuration">
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32
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33 <para>
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34 <example>
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35 location / {
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36 sub_filter &lt;/head&gt;
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37 '&lt;/head&gt;&lt;script language="javascript" src="$script"&gt;&lt;/script&gt;';
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38 sub_filter_once on;
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39 }
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40 </example>
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41 </para>
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42
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43 </section>
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44
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46 <section id="directives" name="Directives">
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47
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48 <directive name="sub_filter">
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49 <syntax><value>string</value> <value>replacement</value></syntax>
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50 <default/>
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51 <context>http</context>
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52 <context>server</context>
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53 <context>location</context>
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54
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55 <para>
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56 Sets a string that needs to be changed, and a replacement string.
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57 The string to be replaced is matched ignoring the case.
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58 A replacement string can contain variables.
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59 </para>
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60
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61 </directive>
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62
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63
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64 <directive name="sub_filter_once">
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65 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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66 <default>on</default>
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67 <context>http</context>
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68 <context>server</context>
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69 <context>location</context>
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70
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71 <para>
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72 Determines how many times to look for a string to be replaced,
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73 once or several times.
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74 </para>
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75
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76 </directive>
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77
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78
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79 <directive name="sub_filter_types">
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80 <syntax><value>mime-type</value> ...</syntax>
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81 <default>text/html</default>
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82 <context>http</context>
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83 <context>server</context>
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84 <context>location</context>
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85
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86 <para>
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87 Enables string replacement in responses with the specified MIME types
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88 in addition to “<literal>text/html</literal>”.
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89 The special value “<literal>*</literal>” matches any MIME type (0.8.29).
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90 </para>
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91
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92 </directive>
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93
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94 </section>
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95
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96 </module>