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<title>Utilisation de mod_rewrite comme mandataire - Serveur Apache HTTP Version 2.4</title>
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<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 2.4</a> &gt; <a href="./">Rewrite</a></div><div id="page-content"><div id="preamble"><h1>Utilisation de mod_rewrite comme mandataire</h1>
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<p><span>Langues Disponibles: </span><a href="../en/rewrite/proxy.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |
<a href="../fr/rewrite/proxy.html" title="Franais">&nbsp;fr&nbsp;</a></p>
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<p>Ce document est un complment de la <a href="../mod/mod_rewrite.html">documentation de rfrence</a> du module
<code class="module"><a href="../mod/mod_rewrite.html">mod_rewrite</a></code>. Il dcrit comment utiliser le drapeau [P]
de la directive RewriteRule pour mandater un contenu vers un autre
serveur. Plusieurs recettes dcrivant des scnarios courants sont
fournies.</p>

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<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>Voir aussi</h3><ul class="seealso"><li><a href="../mod/mod_rewrite.html">Documentation du module</a></li><li><a href="intro.html">Introduction  mod_rewrite</a></li><li><a href="remapping.html">Redirection et remise en
correspondance</a></li><li><a href="access.html">Contrle d'accs</a></li><li><a href="vhosts.html">Serveurs virtuels</a></li><li><a href="rewritemap.html">Utilisation de RewriteMap</a></li><li><a href="advanced.html">Techniques avances</a></li><li><a href="avoid.html">Quand ne pas utiliser mod_rewrite</a></li><li><a href="#comments_section">Commentaires</a></li></ul></div>
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<h2><a name="dynamic-proxy" id="dynamic-proxy">Mandater du contenu avec mod_rewrite</a></h2>

  

  <dl>
    <dt>Description :</dt>

    <dd>
    <p>
    mod_rewrite implmente le drapeau [P] qui permet de passer des URLs,
    via mod_proxy,  un autre serveur. Deux exemples sont fournis ici.
    Dans le premier, une URL est passe directement  un autre serveur,
    et servie comme si c'tait une URL locale. Dans le deuxime, nous
    mandatons un contenu manquant vers un serveur d'arrire-plan.</p>
    </dd>

    <dt>Solution :</dt>

    <dd>
      <p>Pour passer une URL  un autre serveur, on utilise le drapeau
      [P] comme suit :</p>

<pre class="prettyprint lang-config">RewriteEngine  on
RewriteBase    "/produits/"
RewriteRule    "^widget/(.*)$"  "http://produits.example.com/widget/$1"  [P]
ProxyPassReverse "/produits/objet/" "http://produits.example.com/objet/"</pre>


   <p>Dans le deuxime exemple, nous ne mandatons la requte que si nous
   ne trouvons pas la ressource localement. Ceci peut s'avrer trs
   utile lorsque vous effectuez une migration d'un serveur vers un
   autre, et que vous n'tes pas certain que tout le contenu a dj t
   migr.</p>

<pre class="prettyprint lang-config">RewriteCond "%{REQUEST_FILENAME}"       !-f
RewriteCond "%{REQUEST_FILENAME}"       !-d
RewriteRule "^/(.*)" "http://ancien.exemple.com/$1" [P]
ProxyPassReverse "/" "http://ancien.exemple.com/"</pre>

    </dd>

    <dt>Discussion :</dt>

    <dd><p>Dans les deux cas, on ajoute une directive <code class="directive"><a href="../mod/mod_proxy.html#proxypassreverse">ProxyPassReverse</a></code> afin de s'assurer
    que toute redirection en provenance du serveur d'arrire-plan est
    renvoye correctement au client.</p>

    <p>Chaque fois que cela est possible, prfrez l'utilisation de la
    directive <code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code> ou
    <code class="directive"><a href="../mod/mod_proxy.html#proxypassmatch">ProxyPassMatch</a></code> 
    mod_rewrite.</p>
    </dd>
  </dl>

</div></div>
<div class="bottomlang">
<p><span>Langues Disponibles: </span><a href="../en/rewrite/proxy.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |
<a href="../fr/rewrite/proxy.html" title="Franais">&nbsp;fr&nbsp;</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">Commentaires</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&amp;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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