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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:33:50 +0000 |
| commit | fe39ffb8b90ae4e002ed73fe98617cd590abb467 (patch) | |
| tree | b80e5956907d8aeaaffe4e4f0c068c0e6157ce8b /docs/manual/mod/mod_authz_host.html.en | |
| parent | Initial commit. (diff) | |
| download | apache2-ddaa55035e5014d23356f71b867a3aed490c4dfc.tar.xz apache2-ddaa55035e5014d23356f71b867a3aed490c4dfc.zip | |
Adding upstream version 2.4.56.upstream/2.4.56
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docs/manual/mod/mod_authz_host.html.en')
| -rw-r--r-- | docs/manual/mod/mod_authz_host.html.en | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/docs/manual/mod/mod_authz_host.html.en b/docs/manual/mod/mod_authz_host.html.en new file mode 100644 index 0000000..1f4c11c --- /dev/null +++ b/docs/manual/mod/mod_authz_host.html.en @@ -0,0 +1,253 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head> +<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" /> +<!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>mod_authz_host - Apache HTTP Server Version 2.4</title> +<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> +<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> +<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" /> +<script src="../style/scripts/prettify.min.js" type="text/javascript"> +</script> + +<link href="../images/favicon.ico" rel="shortcut icon" /></head> +<body> +<div id="page-header"> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="apache">Apache HTTP Server Version 2.4</p> +<img alt="" src="../images/feather.png" /></div> +<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> +<div id="path"> +<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 2.4</a> > <a href="./">Modules</a></div> +<div id="page-content"> +<div id="preamble"><h1>Apache Module mod_authz_host</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_authz_host.html" title="English"> en </a> | +<a href="../fr/mod/mod_authz_host.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div> +<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Group authorizations based on host (name or IP +address)</td></tr> +<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr> +<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>authz_host_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_authz_host.c</td></tr> +<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>The <code>forward-dns</code> provider was added in 2.4.19</td></tr></table> +<h3>Summary</h3> + + <p>The authorization providers implemented by <code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code> are + registered using the <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code> + directive. The directive can be referenced within a + <code class="directive"><a href="../mod/core.html#directory"><Directory></a></code>, + <code class="directive"><a href="../mod/core.html#files"><Files></a></code>, + or <code class="directive"><a href="../mod/core.html#location"><Location></a></code> section + as well as <code><a href="core.html#accessfilename">.htaccess</a> + </code> files to control access to particular parts of the server. + Access can be controlled based on the client hostname or IP address.</p> + + <p>In general, access restriction directives apply to all + access methods (<code>GET</code>, <code>PUT</code>, + <code>POST</code>, etc). This is the desired behavior in most + cases. However, it is possible to restrict some methods, while + leaving other methods unrestricted, by enclosing the directives + in a <code class="directive"><a href="../mod/core.html#limit"><Limit></a></code> section.</p> +</div> +<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3>Topics</h3> +<ul id="topics"> +<li><img alt="" src="../images/down.gif" /> <a href="#requiredirectives">The Require Directives</a></li> +</ul><h3 class="directives">Directives</h3> +<p>This module provides no + directives.</p> +<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_authz_host">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_authz_host">Report a bug</a></li></ul><h3>See also</h3> +<ul class="seealso"> +<li><a href="../howto/auth.html">Authentication, Authorization, + and Access Control</a></li> +<li><code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code></li> +<li><a href="#comments_section">Comments</a></li></ul></div> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="requiredirectives" id="requiredirectives">The Require Directives</a></h2> + + <p>Apache's <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code> + directive is used during the authorization phase to ensure that a user is allowed or + denied access to a resource. mod_authz_host extends the + authorization types with <code>ip</code>, <code>host</code>, + <code>forward-dns</code> and <code>local</code>. + Other authorization types may also be + used but may require that additional authorization modules be loaded.</p> + + <p>These authorization providers affect which hosts can + access an area of the server. Access can be controlled by + hostname, IP Address, or IP Address range.</p> + + <p>Since v2.4.8, <a href="../expr.html">expressions</a> are supported + within the host require directives.</p> + +<h3><a name="reqip" id="reqip">Require ip</a></h3> + + <p>The <code>ip</code> provider allows access to the server + to be controlled based on the IP address of the remote client. + When <code>Require ip <var>ip-address</var></code> is specified, + then the request is allowed access if the IP address matches.</p> + + <p>A full IP address:</p> + + <pre class="prettyprint lang-config">Require ip 10.1.2.3 +Require ip 192.168.1.104 192.168.1.205</pre> + + + <p>An IP address of a host allowed access</p> + + <p>A partial IP address:</p> + + <pre class="prettyprint lang-config">Require ip 10.1 +Require ip 10 172.20 192.168.2</pre> + + <p>The first 1 to 3 bytes of an IP address, for subnet + restriction.</p> + + <p>A network/netmask pair:</p> + + <pre class="prettyprint lang-config">Require ip 10.1.0.0/255.255.0.0</pre> + + <p>A network a.b.c.d, and a netmask w.x.y.z. For more + fine-grained subnet restriction.</p> + + <p>A network/nnn CIDR specification:</p> + + <pre class="prettyprint lang-config">Require ip 10.1.0.0/16</pre> + + <p>Similar to the previous case, except the netmask consists of + nnn high-order 1 bits.</p> + + <p>Note that the last three examples above match exactly the + same set of hosts.</p> + + <p>IPv6 addresses and IPv6 subnets can be specified as shown + below:</p> + + <pre class="prettyprint lang-config">Require ip 2001:db8::a00:20ff:fea7:ccea +Require ip 2001:db8:1:1::a +Require ip 2001:db8:2:1::/64 +Require ip 2001:db8:3::/48</pre> + + + <p>Note: As the IP addresses are parsed on startup, expressions are + not evaluated at request time.</p> + + + +<h3><a name="reqhost" id="reqhost">Require host</a></h3> + + <p>The <code>host</code> provider allows access to the server + to be controlled based on the host name of the remote client. + When <code>Require host <var>host-name</var></code> is specified, + then the request is allowed access if the host name matches.</p> + + <p>A (partial) domain-name</p> + + <pre class="prettyprint lang-config">Require host example.org +Require host .net example.edu</pre> + + + <p>Hosts whose names match, or end in, this string are allowed + access. Only complete components are matched, so the above + example will match <code>foo.example.org</code> but it will not + match <code>fooexample.org</code>. This configuration will cause + Apache to perform a double reverse DNS lookup on the client IP + address, regardless of the setting of the <code class="directive"><a href="../mod/core.html#hostnamelookups">HostnameLookups</a></code> directive. It will do + a reverse DNS lookup on the IP address to find the associated + hostname, and then do a forward lookup on the hostname to assure + that it matches the original IP address. Only if the forward + and reverse DNS are consistent and the hostname matches will + access be allowed.</p> + + + +<h3><a name="reqfwddns" id="reqfwddns">Require forward-dns</a></h3> + + <p>The <code>forward-dns</code> provider allows access to the server + to be controlled based on simple host names. When + <code>Require forward-dns <var>host-name</var></code> is specified, + all IP addresses corresponding to <code><var>host-name</var></code> + are allowed access.</p> + + <p>In contrast to the <code>host</code> provider, this provider does not + rely on reverse DNS lookups: it simply queries the DNS for the host name + and allows a client if its IP matches. As a consequence, it will only + work with complete host names that can be resolved in DNS, not partial domain names. + However, as the reverse DNS is not used, and DNS lookups occur at request processing + time (instead of startup), it will work with clients which use a dynamic DNS service.</p> + + <pre class="prettyprint lang-config">Require forward-dns dynamic.example.org</pre> + + + <p>A client the IP of which is resolved from the name + <code>dynamic.example.org</code> will be granted access.</p> + + <p>The <code>forward-dns</code> provider was added in 2.4.19.</p> + + +<h3><a name="reqlocal" id="reqlocal">Require local</a></h3> + + <p>The <code>local</code> provider allows access to the server if any + of the following conditions is true:</p> + + <ul> + <li>the client address matches 127.0.0.0/8</li> + <li>the client address is ::1</li> + <li>both the client and the server address of the connection are + the same</li> + </ul> + + <p>This allows a convenient way to match connections that originate from + the local host:</p> + + <pre class="prettyprint lang-config">Require local</pre> + + + + +<h3><a name="proxy" id="proxy">Security Note</a></h3> + + <p>If you are proxying content to your server, you need to be aware + that the client address will be the address of your proxy server, + not the address of the client, and so using the <code>Require</code> + directive in this context may not do what you mean. See + <code class="module"><a href="../mod/mod_remoteip.html">mod_remoteip</a></code> for one possible solution to this + problem.</p> + + + +</div> +</div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_authz_host.html" title="English"> en </a> | +<a href="../fr/mod/mod_authz_host.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p> +</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div> +<script type="text/javascript"><!--//--><![CDATA[//><!-- +var comments_shortname = 'httpd'; +var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_authz_host.html'; +(function(w, d) { + if (w.location.hostname.toLowerCase() == "httpd.apache.org") { + d.write('<div id="comments_thread"><\/div>'); + var s = d.createElement('script'); + s.type = 'text/javascript'; + s.async = true; + s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; + (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); + } + else { + d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); + } +})(window, document); +//--><!]]></script></div><div id="footer"> +<p class="apache">Copyright 2023 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> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- +if (typeof(prettyPrint) !== 'undefined') { + prettyPrint(); +} +//--><!]]></script> +</body></html>
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