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a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<?xml version="1.0" encoding="ISO-8859-1"?>
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a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<title>mod_authz_host - Serveur Apache HTTP</title>
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a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div id="page-header">
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/quickreference.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossaire</a> | <a href="/sitemap.html">Plan du site</a></p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<p class="apache">Serveur Apache HTTP Version 2.5</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<img alt="" src="/images/feather.gif" /></div>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="/images/left.gif" /></a></div>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div id="path">
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">Serveur HTTP</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.5</a> &gt; <a href="./">Modules</a></div>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div id="page-content">
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div id="preamble"><h1>Module Apache mod_authz_host</h1>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div class="toplang">
ae2aee96fc0dc24ac5b108d0c40e1f3b735f4ca3Sam Fraser<p><span>Langues Disponibles: </span><a href="/en/mod/mod_authz_host.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |
ae2aee96fc0dc24ac5b108d0c40e1f3b735f4ca3Sam Fraser<a href="/fr/mod/mod_authz_host.html" title="Fran�ais">&nbsp;fr&nbsp;</a></p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster</div>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Autorisations de groupe bas�es sur l'h�te (nom ou adresse
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan FosterIP)</td></tr>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<tr><th><a href="module-dict.html#Status">Statut:</a></th><td>Base</td></tr>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<tr><th><a href="module-dict.html#ModuleIdentifier">Identificateur�de�Module:</a></th><td>authz_host_module</td></tr>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<tr><th><a href="module-dict.html#SourceFile">Fichier�Source:</a></th><td>mod_authz_host.c</td></tr>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<tr><th><a href="module-dict.html#Compatibility">Compatibilit�:</a></th><td>Disponible depuis les versions 2.3 et sup�rieures
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fosterd'Apache</td></tr></table>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<h3>Sommaire</h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Les fournisseurs d'autorisation impl�ment�s par le module
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <code class="module"><a href="/mod/mod_authz_host.html">mod_authz_host</a></code> sont enregistr�s � l'aide de
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster la directive <code class="directive"><a href="/mod/mod_authz_core.html#require">Require</a></code>. On peut
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster utiliser cette directive � l'int�rieur de sections <code class="directive"><a href="/mod/core.html#directory">&lt;Directory&gt;</a></code>, <code class="directive"><a href="/mod/core.html#files">&lt;Files&gt;</a></code>, ou <code class="directive"><a href="/mod/core.html#location">&lt;Location&gt;</a></code> ou de fichiers
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <code><a href="core.html#accessfilename">.htaccess</a> </code> pour
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster contr�ler l'acc�s � certaines zones du serveur. Le contr�le d'acc�s
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster peut �tre effectu� en fonction du nom d'h�te ou de l'adresse IP.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>En g�n�ral, les directives de restriction d'acc�s s'appliquent �
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster toutes les m�thodes d'acc�s (<code>GET</code>, <code>PUT</code>,
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <code>POST</code>, etc...). C'est d'ailleurs ce que l'on souhaite
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster dans la plupart des cas. Il est cependant possible de ne restreindre
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster l'acc�s que pour certaines m�thodes, tout en laissant les autres
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster m�thodes sans protection, en pla�ant les directives dans une section
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <code class="directive"><a href="/mod/core.html#limit">&lt;Limit&gt;</a></code>.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster</div>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div id="quickview"><h3 class="directives">Directives</h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<p>Ce module ne fournit aucune directive.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<h3>Sujets</h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<ul id="topics">
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<li><img alt="" src="/images/down.gif" /> <a href="#requiredirectives">Les directives Require</a></li>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster</ul><h3>Voir aussi</h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<ul class="seealso">
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<li><a href="/howto/auth.html">Authentification, autorisation et
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Fostercontr�le d'acc�s</a></li>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<li><code class="directive"><a href="/mod/mod_authz_core.html#require">Require</a></code></li>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster</ul><ul class="seealso"><li><a href="#comments_section">Commentaires</a></li></ul></div>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<div class="section">
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<h2><a name="requiredirectives" id="requiredirectives">Les directives Require</a></h2>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>La directive Apache <code class="directive"><a href="/mod/mod_authz_core.html#require">Require</a></code> est utilis�e au cours de
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster la phase d'autorisation pour v�rifier si un utilisateur se voit
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster accorder ou refuser l'acc�s � une ressource. mod_authz_host fournit
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster les types d'autorisation <code>ip</code>, <code>host</code> et <code>local</code>. D'autres
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster types d'autorisation
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster sont aussi disponibles, mais n�cessitent le chargement des modules
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster d'autorisation appropri�s.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Ces fournisseurs d'autorisation permettent de d�terminer quels
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster h�tes peuvent acc�der � une zone du serveur. On peut contr�ler
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster l'acc�s en fonction du nom d'h�te, de l'adresse IP, ou d'un intervalle
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster d'adresses IP.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>A partir de la version 2.5.0, les directives require host
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster supportent les <a href="/expr.html">expressions</a>.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<h3><a name="reqip" id="reqip">Require ip</a></h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Le fournisseur <code>ip</code> permet de contr�ler l'acc�s au
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster serveur en fonction de l'adresse IP du client distant. Lorsque
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <code>Require ip <var>adresse-ip</var></code> est sp�cifi�, la
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster requ�te est autoris�e si l'adresse IP du client distant correspond
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster �</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Une adresse IP compl�te :</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <pre class="prettyprint lang-config">Require ip 10.1.2.3
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan FosterRequire ip 192.168.1.104 192.168.1.205</pre>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>L'adresse IP d'un h�te pour qui l'acc�s est accord�</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Une adresse IP partielle :</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <pre class="prettyprint lang-config">Require ip 10.1
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan FosterRequire ip 10 172.20 192.168.2</pre>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Les 1 � 3 premiers octets d'une adresse IP, pour une restriction
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster � un sous-r�seau.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Une paire r�seau/masque de sous-r�seau :</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <pre class="prettyprint lang-config"> Require ip 10.1.0.0/255.255.0.0</pre>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Un r�seau a.b.c.d, et un masque de sous-r�seau w.x.y.z. pour une
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster restriction de sous-r�seau plus fine.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Une sp�cification CIDR r�seau/nnn :</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <pre class="prettyprint lang-config"> Require ip 10.1.0.0/16</pre>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Identique au cas pr�c�dent, except� que le masque de sous-r�seau
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster repr�sente les nnn premiers bits de poids fort.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Notez que les trois derniers exemples correspondent exectement au
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster m�me ensemble d'h�tes.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>On peut sp�cifier des adresses et des sous-r�seaux IPv6 comme
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster suit :</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <pre class="prettyprint lang-config">Require ip 2001:db8::a00:20ff:fea7:ccea
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan FosterRequire ip 2001:db8::a00:20ff:fea7:ccea/10</pre>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Note: comme les adresses IP sont lues au d�marrage, les
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster expressions ne sont pas �valu�es au moment de la requ�te.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
ae2aee96fc0dc24ac5b108d0c40e1f3b735f4ca3Sam Fraser
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<h3><a name="reqhost" id="reqhost">Require host</a></h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Le fournisseur <code>host</code> permet de contr�ler l'acc�s au
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster serveur en fonction du nom d'h�te du client distant. Lorsque
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <code>Require host <var>nom-h�te</var></code> est sp�cifi�, la
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster requ�te est autoris�e si le nom d'h�te correspond �</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Un nom de domaine (�ventuellement partiel)</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <pre class="prettyprint lang-config">Require host example.org
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan FosterRequire host .net example.edu</pre>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Les h�tes dont les noms correspondent ou se terminent par la
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster cha�ne sp�cifi�e se voient accorder l'acc�s. Seuls les �l�ment de
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster nom de domaine complets sont mis en correspondance ; ainsi,
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster l'exemple ci-dessus correspondra � <code>foo.example.org</code>, mais
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster ne correspondra pas � <code>fooexample.org</code>. Avec cette
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster configuration, Apache va effectuer une double recherche DNS sur
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster l'adresse IP du client, sans tenir compte de la d�finition de la
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster directive <code class="directive"><a href="/mod/core.html#hostnamelookups">HostnameLookups</a></code>. Il
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster va effectuer une recherche DNS inverse sur l'adresse IP pour trouver
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster le nom d'h�te associ�, puis une recherche DNS directe sur le nom
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster d'h�te pour v�rifier qu'il correspond bien � l'adresse IP originale.
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster L'acc�s ne sera accord� que si le nom d'h�te correspond et si les
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster recherches DNS inverse et directe sont coh�rentes.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<h3><a name="reqlocal" id="reqlocal">Require local</a></h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Le fournisseur <code>local</code> autorise l'acc�s au serveur si
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster l'une au moins de ces conditions est satisfaite :</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <ul>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <li>l'adresse IP du client correspond � 127.0.0.0/8</li>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <li>l'adresse IP du client est ::1</li>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <li>les adresses IP du client et du serveur sont identiques</li>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster </ul>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>L'exemple suivant montre une m�thode simple pour s�lectionner les
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster connexions en provenance de l'h�te local :</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <pre class="prettyprint lang-config"> Require local</pre>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster<h3><a name="proxy" id="proxy">Note concernant la s�curit�</a></h3>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster <p>Si le contenu de votre serveur est mandat�, vous devez garder �
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster l'esprit que l'adresse client correspondra � l'adresse de votre
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster serveur mandataire et non � l'adresse du client, et l'utilisation de
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster la directive <code>Require</code> dans ce contexte ne provoquera pas
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster forc�ment l'effet d�sir�. Voir <code class="module"><a href="/mod/mod_remoteip.html">mod_remoteip</a></code> pour
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster une solution possible � ce probl�me.</p>
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
a688bcbb4bcff5398fdd29b86f83450257dc0df4Allan Foster
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