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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1331553 13f79535-47bb-0310-9956-ffa450edef68
203 lines
9.2 KiB
XML
203 lines
9.2 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!--
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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This file is generated from xml source: DO NOT EDIT
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
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-->
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<title>mod_authz_host - Apache HTTP Server</title>
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<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
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<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
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<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" />
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<script src="../style/scripts/prettify.js" type="text/javascript">
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</script>
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<link href="../images/favicon.ico" rel="shortcut icon" /></head>
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<body>
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<div id="page-header">
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<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p>
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<p class="apache">Apache HTTP Server Version 2.5</p>
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<img alt="" src="../images/feather.gif" /></div>
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<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div>
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<div id="path">
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<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.5</a> > <a href="./">Modules</a></div>
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<div id="page-content">
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<div id="preamble"><h1>Apache Module mod_authz_host</h1>
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<div class="toplang">
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<p><span>Available Languages: </span><a href="../en/mod/mod_authz_host.html" title="English"> en </a> |
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<a href="../fr/mod/mod_authz_host.html" hreflang="fr" rel="alternate" title="Fran<61>ais"> fr </a></p>
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</div>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Group authorizations based on host (name or IP
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address)</td></tr>
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<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr>
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<tr><th><a href="module-dict.html#ModuleIdentifier">Module<EFBFBD>Identifier:</a></th><td>authz_host_module</td></tr>
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<tr><th><a href="module-dict.html#SourceFile">Source<EFBFBD>File:</a></th><td>mod_authz_host.c</td></tr>
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<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.3 and later</td></tr></table>
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<h3>Summary</h3>
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<p>The authorization providers implemented by <code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code> are
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registered using the <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code>
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directive. The directive can be referenced within a
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<code class="directive"><a href="../mod/core.html#directory"><Directory></a></code>,
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<code class="directive"><a href="../mod/core.html#files"><Files></a></code>,
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or <code class="directive"><a href="../mod/core.html#location"><Location></a></code> section
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as well as <code><a href="core.html#accessfilename">.htaccess</a>
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</code> files to control access to particular parts of the server.
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Access can be controlled based on the client hostname or IP address.</p>
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<p>In general, access restriction directives apply to all
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access methods (<code>GET</code>, <code>PUT</code>,
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<code>POST</code>, etc). This is the desired behavior in most
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cases. However, it is possible to restrict some methods, while
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leaving other methods unrestricted, by enclosing the directives
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in a <code class="directive"><a href="../mod/core.html#limit"><Limit></a></code> section.</p>
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</div>
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<div id="quickview"><h3 class="directives">Directives</h3>
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<p>This module provides no
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directives.</p>
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<h3>Topics</h3>
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<ul id="topics">
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<li><img alt="" src="../images/down.gif" /> <a href="#requiredirectives">The Require Directives</a></li>
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</ul><h3>See also</h3>
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<ul class="seealso">
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<li><a href="../howto/auth.html">Authentication, Authorization,
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and Access Control</a></li>
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<li><code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code></li>
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</ul></div>
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<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
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<div class="section">
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<h2><a name="requiredirectives" id="requiredirectives">The Require Directives</a></h2>
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<p>Apache's <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code>
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directive is used during the authorization phase to ensure that a user is allowed or
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denied access to a resource. mod_authz_host extends the
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authorization types with <code>ip</code> and <code>host</code>.
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Other authorization types may also be
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used but may require that additional authorization modules be loaded.</p>
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<p>These authorization providers affect which hosts can
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access an area of the server. Access can be controlled by
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hostname, IP Address, or IP Address range.</p>
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<h3><a name="reqip" id="reqip">Require ip</a></h3>
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<p>The <code>ip</code> provider allows access to the server
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to be controlled based on the IP address of the remote client.
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When <code>Require ip <var>ip-address</var></code> is specified,
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then the request is allowed access if the IP address matches.</p>
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<p>A full IP address:</p>
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<pre class="prettyprint lang-config">
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Require ip 10.1.2.3
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Require ip 192.168.1.104 192.168.1.205
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</pre>
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<p>An IP address of a host allowed access</p>
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<p>A partial IP address:</p>
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<pre class="prettyprint lang-config">
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Require ip 10.1
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Require ip 10 172.20 192.168.2
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</pre>
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<p>The first 1 to 3 bytes of an IP address, for subnet
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restriction.</p>
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<p>A network/netmask pair:</p>
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<pre class="prettyprint lang-config">
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Require ip 10.1.0.0/255.255.0.0
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</pre>
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<p>A network a.b.c.d, and a netmask w.x.y.z. For more
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fine-grained subnet restriction.</p>
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<p>A network/nnn CIDR specification:</p>
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<pre class="prettyprint lang-config">
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Require ip 10.1.0.0/16
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</pre>
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<p>Similar to the previous case, except the netmask consists of
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nnn high-order 1 bits.</p>
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<p>Note that the last three examples above match exactly the
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same set of hosts.</p>
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<p>IPv6 addresses and IPv6 subnets can be specified as shown
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below:</p>
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<pre class="prettyprint lang-config">
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Require ip 2001:db8::a00:20ff:fea7:ccea
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Require ip 2001:db8::a00:20ff:fea7:ccea/10
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</pre>
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<h3><a name="reqhost" id="reqhost">Require host</a></h3>
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<p>The <code>host</code> provider allows access to the server
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to be controlled based on the host name of the remote client.
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When <code>Require host <var>host-name</var></code> is specified,
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then the request is allowed access if the host name matches.</p>
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<p>A (partial) domain-name</p>
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<pre class="prettyprint lang-config">
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Require host example.org
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Require host .net example.edu
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</pre>
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<p>Hosts whose names match, or end in, this string are allowed
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access. Only complete components are matched, so the above
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example will match <code>foo.example.org</code> but it will not
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match <code>fooexample.org</code>. This configuration will cause
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Apache to perform a double reverse DNS lookup on the client IP
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address, regardless of the setting of the <code class="directive"><a href="../mod/core.html#hostnamelookups">HostnameLookups</a></code> directive. It will do
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a reverse DNS lookup on the IP address to find the associated
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hostname, and then do a forward lookup on the hostname to assure
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that it matches the original IP address. Only if the forward
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and reverse DNS are consistent and the hostname matches will
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access be allowed.</p>
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<h3><a name="reqlocal" id="reqlocal">Require local</a></h3>
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<p>The <code>local</code> provider allows access to the server if any
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of the following conditions is true:</p>
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<ul>
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<li>the client address matches 127.0.0.0/8</li>
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<li>the client address is ::1</li>
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<li>both the client and the server address of the connection are
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the same</li>
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</ul>
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<p>This allows a convenient way to match connections that originate from
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the local host:</p>
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<pre class="prettyprint lang-config">
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Require local
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</pre>
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</div>
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</div>
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<div class="bottomlang">
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<p><span>Available Languages: </span><a href="../en/mod/mod_authz_host.html" title="English"> en </a> |
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<a href="../fr/mod/mod_authz_host.html" hreflang="fr" rel="alternate" title="Fran<61>ais"> fr </a></p>
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</div><div id="footer">
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<p class="apache">Copyright 2012 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!--
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}
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//--><!]]></script>
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</body></html> |