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230 lines
14 KiB
JavaScript
230 lines
14 KiB
JavaScript
<?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="es" xml:lang="es"><head>
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<meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type" />
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<!--
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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>Control de Acceso - Servidor HTTP Apache Versión 2.5</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.min.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 id="manual-page"><div id="page-header">
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<p class="menu"><a href="../mod/">Módulos</a> | <a href="../mod/quickreference.html">Directivas</a> | <a href="http://wiki.apache.org/httpd/FAQ">Preguntas Frecuentes</a> | <a href="../glossary.html">Glosario</a> | <a href="../sitemap.html">Mapa del sitio web</a></p>
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<p class="apache">Versión 2.5 del Servidor HTTP Apache</p>
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<img alt="" src="../images/feather.png" /></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/">Servidor HTTP</a> > <a href="http://httpd.apache.org/docs/">Documentación</a> > <a href="../">Versión 2.5</a> > <a href="./">How-To / Tutoriales</a></div><div id="page-content"><div id="preamble"><h1>Control de Acceso</h1>
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<div class="toplang">
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<p><span>Idiomas disponibles: </span><a href="../en/howto/access.html" hreflang="en" rel="alternate" title="English"> en </a> |
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<a href="../es/howto/access.html" title="Español"> es </a> |
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<a href="../fr/howto/access.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p>
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</div>
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<p>El control de acceso, hace referencia a todos los medios que proporcionan
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una forma de controlar el acceso a cualquier recurso. Esta parte está
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separada de <a href="auth.html">autenticación y autorización</a>.</p>
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</div>
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<div id="quickview"><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#related">Módulos y Directivas relacionados</a></li>
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<li><img alt="" src="../images/down.gif" /> <a href="#host">Control de Acceso por host</a></li>
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<li><img alt="" src="../images/down.gif" /> <a href="#env">Access control by arbitrary variables</a></li>
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<li><img alt="" src="../images/down.gif" /> <a href="#rewrite">Access control with mod_rewrite</a></li>
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<li><img alt="" src="../images/down.gif" /> <a href="#moreinformation">More information</a></li>
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</ul><h3>Consulte también</h3><ul class="seealso"><li><a href="#comments_section">Comentarios</a></li></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="related" id="related">Módulos y Directivas relacionados</a></h2>
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<p>El control de acceso puede efectuarse mediante diferentes módulos. Los
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más importantes de éstos son <code class="module"><a href="../mod/mod_authz_core.html">mod_authz_core</a></code> y
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<code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code>. También se habla en este documento de
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el control de acceso usando el módulo <code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code>.</p>
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</div><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="host" id="host">Control de Acceso por host</a></h2>
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<p>
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Si lo que se quiere es restringir algunas zonas del sitio web, basándonos
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en la dirección del visitante, esto puede ser realizado de manera
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fácil con el módulo <code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code>.
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</p>
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<p>La directiva <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code>
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proporciona una variedad de diferentes maneras de permitir o denegar el acceso a los recursos. Además puede ser usada junto con las directivas:<code class="directive"><a href="../mod/mod_authz_core.html#requireall">RequireAll</a></code>, <code class="directive"><a href="../mod/mod_authz_core.html#requireany">RequireAny</a></code>, y <code class="directive"><a href="../mod/mod_authz_core.html#requirenone">RequireNone</a></code>, estos requerimientos pueden
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ser combinados de forma compleja y arbitraria, para cumplir cualquiera que
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sean tus políticas de acceso.</p>
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<div class="warning"><p>
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Las directivas <code class="directive"><a href="../mod/mod_access_compat.html#allow">Allow</a></code>,
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<code class="directive"><a href="../mod/mod_access_compat.html#deny">Deny</a></code>, y
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<code class="directive"><a href="../mod/mod_access_compat.html#order">Order</a></code>,
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proporcionadas por <code class="module"><a href="../mod/mod_access_compat.html">mod_access_compat</a></code>, están obsoletas y
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serán quitadas en futuras versiones. Deberá evitar su uso, y también
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los tutoriales desactualizaos que recomienden su uso.
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</p></div>
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<p>El uso de estas directivas es:</p>
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<pre class="prettyprint lang-config">Require host <var>address</var>
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Require ip <var>ip.address</var>
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</pre>
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<p>En la primera formaIn the first form, <var>address</var> is a fully qualified
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domain name (or a partial domain name); you may provide multiple
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addresses or domain names, if desired.</p>
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<p>In the second form, <var>ip.address</var> is an IP address, a
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partial IP address, a network/netmask pair, or a network/nnn CIDR
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specification. Either IPv4 or IPv6 addresses may be used.</p>
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<p>See <a href="../mod/mod_authz_host.html#requiredirectives">the
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mod_authz_host documentation</a> for further examples of this
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syntax.</p>
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<p>You can insert <code>not</code> to negate a particular requirement.
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Note, that since a <code>not</code> is a negation of a value, it cannot
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be used by itself to allow or deny a request, as <em>not true</em>
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does not constitute <em>false</em>. Thus, to deny a visit using a negation,
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the block must have one element that evaluates as true or false.
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For example, if you have someone spamming your message
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board, and you want to keep them out, you could do the
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following:</p>
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<pre class="prettyprint lang-config"><RequireAll>
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Require all granted
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Require not ip 10.252.46.165
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</RequireAll></pre>
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<p>Visitors coming from that address (<code>10.252.46.165</code>)
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will not be able to see the content covered by this directive. If,
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instead, you have a machine name, rather than an IP address, you
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can use that.</p>
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<pre class="prettyprint lang-config">Require not host <var>host.example.com</var>
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</pre>
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<p>And, if you'd like to block access from an entire domain,
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you can specify just part of an address or domain name:</p>
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<pre class="prettyprint lang-config">Require not ip 192.168.205
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Require not host phishers.example.com moreidiots.example
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Require not host gov</pre>
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<p>Use of the <code class="directive"><a href="../mod/mod_authz_core.html#requireall">RequireAll</a></code>, <code class="directive"><a href="../mod/mod_authz_core.html#requireany">RequireAny</a></code>, and <code class="directive"><a href="../mod/mod_authz_core.html#requirenone">RequireNone</a></code> directives may be
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used to enforce more complex sets of requirements.</p>
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</div><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="env" id="env">Access control by arbitrary variables</a></h2>
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<p>Using the <code class="directive"><a href="../mod/core.html#if"><If></a></code>,
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you can allow or deny access based on arbitrary environment
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variables or request header values. For example, to deny access
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based on user-agent (the browser type) you might do the
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following:</p>
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<pre class="prettyprint lang-config"><If "%{HTTP_USER_AGENT} == 'BadBot'">
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Require all denied
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</If></pre>
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<p>Using the <code class="directive"><a href="../mod/mod_authz_core.html#require">Require</a></code>
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<code>expr</code> syntax, this could also be written as:</p>
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<pre class="prettyprint lang-config">Require expr %{HTTP_USER_AGENT} != 'BadBot'</pre>
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<div class="note"><h3>Warning:</h3>
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<p>Access control by <code>User-Agent</code> is an unreliable technique,
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since the <code>User-Agent</code> header can be set to anything at all,
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at the whim of the end user.</p>
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</div>
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<p>See <a href="../expr.html">the expressions document</a> for a
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further discussion of what expression syntaxes and variables are
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available to you.</p>
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</div><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="rewrite" id="rewrite">Access control with mod_rewrite</a></h2>
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<p>The <code>[F]</code> <code class="directive"><a href="../mod/mod_rewrite.html#rewriterule">RewriteRule</a></code> flag causes a 403 Forbidden
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response to be sent. Using this, you can deny access to a resource based
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on arbitrary criteria.</p>
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<p>For example, if you wish to block access to a resource between 8pm
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and 6am, you can do this using <code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code>.</p>
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<pre class="prettyprint lang-config">RewriteEngine On
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RewriteCond "%{TIME_HOUR}" ">=20" [OR]
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RewriteCond "%{TIME_HOUR}" "<07"
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RewriteRule "^/fridge" "-" [F]</pre>
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<p>This will return a 403 Forbidden response for any request after 8pm
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or before 7am. This technique can be used for any criteria that you wish
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to check. You can also redirect, or otherwise rewrite these requests, if
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that approach is preferred.</p>
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<p>The <code class="directive"><a href="../mod/core.html#if"><If></a></code> directive,
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added in 2.4, replaces many things that <code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code> has
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traditionally been used to do, and you should probably look there first
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before resorting to mod_rewrite.</p>
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</div><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="moreinformation" id="moreinformation">More information</a></h2>
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<p>The <a href="../expr.html">expression engine</a> gives you a
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great deal of power to do a variety of things based on arbitrary
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server variables, and you should consult that document for more
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detail.</p>
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<p>Also, you should read the <code class="module"><a href="../mod/mod_authz_core.html">mod_authz_core</a></code>
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documentation for examples of combining multiple access requirements
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and specifying how they interact.</p>
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<p>See also the <a href="auth.html">Authentication and Authorization</a>
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howto.</p>
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</div></div>
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<div class="bottomlang">
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<p><span>Idiomas disponibles: </span><a href="../en/howto/access.html" hreflang="en" rel="alternate" title="English"> en </a> |
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<a href="../es/howto/access.html" title="Español"> es </a> |
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<a href="../fr/howto/access.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p>
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</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">Comentarios</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 again 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 Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div>
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if (w.location.hostname.toLowerCase() == "httpd.apache.org") {
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<p class="apache">Copyright 2016 The Apache Software Foundation.<br />Licencia bajo los términos de la <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/">Módulos</a> | <a href="../mod/quickreference.html">Directivas</a> | <a href="http://wiki.apache.org/httpd/FAQ">Preguntas Frecuentes</a> | <a href="../glossary.html">Glosario</a> | <a href="../sitemap.html">Mapa del sitio web</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!--
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