Mercurial > hg > nginx-site

annotate xml/en/docs/http/ngx_http_gzip_module.xml @ 1878:127ae107e5a9

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Removed clause about shared memory and Windows versions with ASLR. Starting with nginx 1.9.0 shared memory can be used on Windows versions with address space layout randomization.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 26 Dec 2016 19:38:06 +0300
parents 6d51bb4f19f7
children ca7568f67dee
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330
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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
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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_gzip_module"
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11 link="/en/docs/http/ngx_http_gzip_module.html"
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12 lang="en"
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13 rev="4">
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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_gzip_module</literal> module is a filter
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19 that compresses responses using the “gzip” method.
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20 This often helps to reduce the size of transmitted data by half or even more.
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21 </para>
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22
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23 </section>
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24
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25
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26 <section id="example" name="Example Configuration">
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27
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28 <para>
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29 <example>
351
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30 gzip on;
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31 gzip_min_length 1000;
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32 gzip_proxied expired no-cache no-store private auth;
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33 gzip_types text/plain application/xml;
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34 </example>
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35 </para>
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36
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37 <para>
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38 The <var>$gzip_ratio</var> variable can be used to log the
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39 achieved compression ratio.
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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="directives" name="Directives">
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46
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47 <directive name="gzip">
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48 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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49 <default>off</default>
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50 <context>http</context>
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51 <context>server</context>
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52 <context>location</context>
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53 <context>if in location</context>
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54
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55 <para>
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56 Enables or disables gzipping of responses.
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57 </para>
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58
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59 </directive>
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60
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61
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62 <directive name="gzip_buffers">
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63 <syntax><value>number</value> <value>size</value></syntax>
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64 <default>32 4k|16 8k</default>
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65 <context>http</context>
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66 <context>server</context>
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67 <context>location</context>
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68
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69 <para>
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70 Sets the <value>number</value> and <value>size</value> of buffers
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71 used to compress a response.
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72 By default, the buffer size is equal to one memory page.
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73 This is either 4K or 8K, depending on a platform.
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74 <note>
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75 Until version 0.7.28, four 4K or 8K buffers were used by default.
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76 </note>
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77 </para>
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78
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79 </directive>
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80
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81
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82 <directive name="gzip_comp_level">
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83
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84 <syntax><value>level</value></syntax>
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85 <default>1</default>
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86 <context>http</context>
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87 <context>server</context>
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88 <context>location</context>
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89
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90 <para>
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91 Sets a gzip compression <value>level</value> of a response.
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92 Acceptable values are in the range from 1 to 9.
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93 </para>
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94
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95 </directive>
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96
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97
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98 <directive name="gzip_disable">
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99 <syntax><value>regex</value> ...</syntax>
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100 <default/>
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101 <context>http</context>
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102 <context>server</context>
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103 <context>location</context>
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104 <appeared-in>0.6.23</appeared-in>
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105
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106 <para>
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107 Disables gzipping of responses for requests with
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108 <header>User-Agent</header> header fields matching
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109 any of the specified regular expressions.
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110 </para>
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111
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112 <para>
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113 The special mask “<literal>msie6</literal>” (0.7.12) corresponds to
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114 the regular expression “<literal>MSIE [4-6]\.</literal>”, but works faster.
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115 Starting from version 0.8.11, “<literal>MSIE 6.0; ... SV1</literal>”
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116 is excluded from this mask.
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117 </para>
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Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
118
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
119 </directive>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
120
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
121
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
122 <directive name="gzip_min_length">
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
123 <syntax><value>length</value></syntax>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
124 <default>20</default>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
125 <context>http</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
126 <context>server</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
127 <context>location</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
128
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
129 <para>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
130 Sets the minimum length of a response that will be gzipped.
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
131 The length is determined only from the <header>Content-Length</header>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
132 response header field.
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
133 </para>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
134
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
135 </directive>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
136
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
137
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
138 <directive name="gzip_http_version">
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
139 <syntax><literal>1.0</literal> | <literal>1.1</literal></syntax>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
140 <default>1.1</default>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
141 <context>http</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
142 <context>server</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
143 <context>location</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
144
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
145 <para>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
146 Sets the minimum HTTP version of a request required to compress a response.
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
147 </para>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
148
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
149 </directive>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
150
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
151
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
152 <directive name="gzip_proxied">
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
153 <syntax>
364
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
154 <literal>off</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
155 <literal>expired</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
156 <literal>no-cache</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
157 <literal>no-store</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
158 <literal>private</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
159 <literal>no_last_modified</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
160 <literal>no_etag</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
161 <literal>auth</literal> |
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
162 <literal>any</literal>
bb51d3e17dd0 Style fixed.
Ruslan Ermilov <ru@nginx.com>
parents: 351
diff changeset
163 ...</syntax>
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
164 <default>off</default>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
165 <context>http</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
166 <context>server</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
167 <context>location</context>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
168
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
169 <para>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
170 Enables or disables gzipping of responses for proxied
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
171 requests depending on the request and response.
1248
6d51bb4f19f7 Gzip: fixed minor flaws in the "gzip_proxied" directive.
Gunnlaugur Thor Briem <gunnlaugur@gmail.com>
parents: 966
diff changeset
172 The fact that the request is proxied is determined by
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
173 the presence of the <header>Via</header> request header field.
1248
6d51bb4f19f7 Gzip: fixed minor flaws in the "gzip_proxied" directive.
Gunnlaugur Thor Briem <gunnlaugur@gmail.com>
parents: 966
diff changeset
174 The directive accepts multiple parameters:
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
175 <list type="tag">
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
176
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
177 <tag-name><literal>off</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
178 <tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
179 disables compression for all proxied requests,
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
180 ignoring other parameters;
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
181 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
182
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
183 <tag-name><literal>expired</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
184 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
185 enables compression if a response header includes the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
186 <header>Expires</header> field with a value that disables caching;
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
187 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
188
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
189 <tag-name><literal>no-cache</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
190 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
191 enables compression if a response header includes the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
192 <header>Cache-Control</header> field with the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
193 “<literal>no-cache</literal>” parameter;
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
194 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
195
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
196 <tag-name><literal>no-store</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
197 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
198 enables compression if a response header includes the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
199 <header>Cache-Control</header> field with the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
200 “<literal>no-store</literal>” parameter;
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
201 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
202
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
203 <tag-name><literal>private</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
204 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
205 enables compression if a response header includes the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
206 <header>Cache-Control</header> field with the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
207 “<literal>private</literal>” parameter;
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
208 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
209
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
210 <tag-name><literal>no_last_modified</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
211 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
212 enables compression if a response header does not include the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
213 <header>Last-Modified</header> field;
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
214 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
215
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
216 <tag-name><literal>no_etag</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
217 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
218 enables compression if a response header does not include the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
219 <header>ETag</header> field;
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
220 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
221
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
222 <tag-name><literal>auth</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
223 <tag-desc>
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
224 enables compression if a request header includes the
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 825
diff changeset
225 <header>Authorization</header> field;
330
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
226 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
227
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
228 <tag-name><literal>any</literal></tag-name>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
229 <tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
230 enables compression for all proxied requests.
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
231 </tag-desc>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
232
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
233 </list>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
234 </para>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
235
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
236 </directive>
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
237
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
238
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
parents:
diff changeset
239 <directive name="gzip_types">
f94bcab2a6ae Translated ngx_http_gzip_module and ngx_http_gzip_static_module.
Ruslan Ermilov <ru@nginx.com>
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240 <syntax><value>mime-type</value> ...</syntax>
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241 <default>text/html</default>
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242 <context>http</context>
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243 <context>server</context>
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244 <context>location</context>
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245
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246 <para>
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247 Enables gzipping of responses for the specified MIME types in addition
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248 to “<literal>text/html</literal>”.
546
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249 The special value “<literal>*</literal>” matches any MIME type (0.8.29).
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250 Responses with the “<literal>text/html</literal>” type are always compressed.
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251 </para>
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252
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253 </directive>
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254
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255
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256 <directive name="gzip_vary">
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257 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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258 <default>off</default>
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259 <context>http</context>
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260 <context>server</context>
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261 <context>location</context>
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262
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263 <para>
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264 Enables or disables inserting the <header>Vary: Accept-Encoding</header>
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265 response header field if the directives
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266 <link id="gzip"/>,
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267 <link doc="ngx_http_gzip_static_module.xml" id="gzip_static"/>, or
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268 <link doc="ngx_http_gunzip_module.xml" id="gunzip"/>
330
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269 are active.
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270 </para>
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271
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272 </directive>
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273
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274 </section>
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275
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276
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277 <section id="variables" name="Embedded Variables">
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278
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279 <para>
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280 <list type="tag">
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281
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282 <tag-name id="var_gzip_ratio"><var>$gzip_ratio</var></tag-name>
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283 <tag-desc>achieved compression ratio, computed as the ratio between the
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284 original and compressed response sizes.</tag-desc>
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285
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286 </list>
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287 </para>
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288
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289 </section>
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290
330
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291 </module>