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annotate xml/en/docs/http/ngx_http_access_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 a7974b8d2a23
children 9eadb98ec770
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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_access_module"
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11 link="/en/docs/http/ngx_http_access_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_access_module</literal> module allows
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19 limiting access to certain client addresses.
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20 </para>
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21
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22 <para>
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23 Access can also be limited by
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24 <link doc="ngx_http_auth_basic_module.xml">password</link>, by the
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25 <link doc="ngx_http_auth_request_module.xml">result of subrequest</link>,
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26 or by <link doc="ngx_http_auth_jwt_module.xml">JWT</link>.
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27 Simultaneous limitation of access by address and by password is controlled
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28 by the <link doc="ngx_http_core_module.xml" id="satisfy"/> directive.
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29 </para>
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30
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31 </section>
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32
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33
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34 <section id="example" name="Example Configuration">
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35
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36 <para>
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37 <example>
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38 location / {
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39 deny 192.168.1.1;
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40 allow 192.168.1.0/24;
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41 allow 10.1.1.0/16;
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42 allow 2001:0db8::/32;
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43 deny all;
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44 }
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45 </example>
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46 </para>
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47
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48 <para>
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49 The rules are checked in sequence until the first match is found.
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50 In this example, access is allowed only for IPv4 networks
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51 <literal>10.1.1.0/16</literal> and <literal>192.168.1.0/24</literal>
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52 excluding the address <literal>192.168.1.1</literal>,
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53 and for IPv6 network <literal>2001:0db8::/32</literal>.
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54 In case of a lot of rules, the use of the
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55 <link doc="ngx_http_geo_module.xml">ngx_http_geo_module</link>
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56 module variables is preferable.
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57 </para>
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58
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59 </section>
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60
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61
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62 <section id="directives" name="Directives">
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63
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64 <directive name="allow">
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65 <syntax>
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66 <value>address</value> |
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67 <value>CIDR</value> |
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68 <literal>unix:</literal> |
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69 <literal>all</literal></syntax>
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70 <default/>
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71 <context>http</context>
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72 <context>server</context>
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73 <context>location</context>
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74 <context>limit_except</context>
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75
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76 <para>
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77 Allows access for the specified network or address.
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78 If the special value <literal>unix:</literal> is specified (1.5.1),
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79 allows access for all UNIX-domain sockets.
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80 </para>
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81
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82 </directive>
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83
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84
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85 <directive name="deny">
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86 <syntax>
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87 <value>address</value> |
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88 <value>CIDR</value> |
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89 <literal>unix:</literal> |
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90 <literal>all</literal></syntax>
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91 <default/>
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92 <context>http</context>
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93 <context>server</context>
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94 <context>location</context>
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95 <context>limit_except</context>
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96
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97 <para>
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98 Denies access for the specified network or address.
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99 If the special value <literal>unix:</literal> is specified (1.5.1),
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100 denies access for all UNIX-domain sockets.
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101 </para>
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102
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103 </directive>
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104
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105 </section>
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106
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107 </module>