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<title>Configuration &agrave; l'&eacute;chelle du serveur - Serveur HTTP Apache Version 2.4</title>
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<p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/quickreference.html">Directives</a> | <a href="https://cwiki.apache.org/confluence/display/httpd/FAQ">FAQ</a> | <a href="./glossary.html">Glossaire</a> | <a href="./sitemap.html">Plan du site</a> | <a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2">Signaler un bug</a></p>
<p class="apache">Serveur HTTP Apache Version 2.4</p>
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<a href="https://www.apache.org/">Apache</a> &gt; <a href="https://httpd.apache.org/">Serveur HTTP</a> &gt; <a href="https://httpd.apache.org/docs/">Documentation</a> &gt; <a href="./">Version 2.4</a></div><div id="page-content"><div id="preamble"><h1>Configuration &agrave; l'&eacute;chelle du serveur</h1>
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<p>Ce document explique le fonctionnement de certaines directives du serveur
de base qui sont utilis&eacute;es pour configurer les op&eacute;rations &eacute;l&eacute;mentaires du
serveur.</p>
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<div id="quickview"><ul id="toc"><li><img alt="" src="./images/down.gif"> <a href="#identification">Identification du serveur</a></li>
<li><img alt="" src="./images/down.gif"> <a href="#locations">Localisation des fichiers</a></li>
<li><img alt="" src="./images/down.gif"> <a href="#resource">Limitation de l'utilisation des ressources</a></li>
<li><img alt="" src="./images/down.gif"> <a href="#implementation">Choix d'impl&eacute;mentation</a></li>
</ul></div>
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<div class="section">
<h2 id="identification">Identification du serveur <a title="Lien permanent" href="#identification" class="permalink">&para;</a></h2>
    

    <table class="related"><tr><th>Modules Apparent&eacute;s</th><th>Directives Apparent&eacute;es</th></tr><tr><td></td><td><ul><li><code class="directive"><a href="./mod/core.html#servername">ServerName</a></code></li><li><code class="directive"><a href="./mod/core.html#serveradmin">ServerAdmin</a></code></li><li><code class="directive"><a href="./mod/core.html#serversignature">ServerSignature</a></code></li><li><code class="directive"><a href="./mod/core.html#servertokens">ServerTokens</a></code></li><li><code class="directive"><a href="./mod/core.html#usecanonicalname">UseCanonicalName</a></code></li><li><code class="directive"><a href="./mod/core.html#usecanonicalphysicalport">UseCanonicalPhysicalPort</a></code></li></ul></td></tr></table>

    <p>Les directives <code class="directive"><a href="./mod/core.html#serveradmin">ServerAdmin</a></code> et
    <code class="directive"><a href="./mod/core.html#servertokens">ServerTokens</a></code> contr&ocirc;lent la nature des
    informations &agrave; propos du serveur qui seront affich&eacute;es dans les documents
    g&eacute;n&eacute;r&eacute;s par le serveur comme les messages d'erreur. La directive
    <code class="directive"><a href="./mod/core.html#servertokens">ServerTokens</a></code> d&eacute;finit la valeur du
    champ d'en-t&ecirc;te de la r&eacute;ponse du serveur HTTP.</p>

    <p>Le serveur utilise les directives
    <code class="directive"><a href="./mod/core.html#servername">ServerName</a></code>,
    <code class="directive"><a href="./mod/core.html#usecanonicalname">UseCanonicalName</a></code> et
    <code class="directive"><a href="./mod/core.html#usecanonicalphysicalport">UseCanonicalPhysicalPort</a></code> pour
    d&eacute;terminer la mani&egrave;re de construire des URLs vers ses propres ressources.
    Par exemple, quand un client &eacute;met une requ&ecirc;te vers un r&eacute;pertoire, mais
    n'ajoute pas le slash final au nom du r&eacute;pertoire, httpd doit rediriger le
    client vers le nom complet incluant le slash final afin que le client
    puisse r&eacute;soudre correctement les r&eacute;f&eacute;rences relatives pr&eacute;sentes dans
    le document.</p>
  </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif"></a></div>
<div class="section">
<h2 id="locations">Localisation des fichiers <a title="Lien permanent" href="#locations" class="permalink">&para;</a></h2>
    

    <table class="related"><tr><th>Modules Apparent&eacute;s</th><th>Directives Apparent&eacute;es</th></tr><tr><td></td><td><ul><li><code class="directive"><a href="./mod/mpm_common.html#coredumpdirectory">CoreDumpDirectory</a></code></li><li><code class="directive"><a href="./mod/core.html#documentroot">DocumentRoot</a></code></li><li><code class="directive"><a href="./mod/core.html#errorlog">ErrorLog</a></code></li><li><code class="directive"><a href="./mod/core.html#mutex">Mutex</a></code></li><li><code class="directive"><a href="./mod/mpm_common.html#pidfile">PidFile</a></code></li><li><code class="directive"><a href="./mod/mpm_common.html#scoreboardfile">ScoreBoardFile</a></code></li><li><code class="directive"><a href="./mod/core.html#serverroot">ServerRoot</a></code></li></ul></td></tr></table>

    <p>Ces directives contr&ocirc;lent la localisation des diff&eacute;rents fichiers
    n&eacute;cessaires au bon fonctionnement de httpd. Quand le chemin utilis&eacute; ne
    commence pas par un slash (/), la localisation des fichiers est relative
    &agrave; la valeur de la directive
    <code class="directive"><a href="./mod/core.html#serverroot">ServerRoot</a></code>. Soyez prudent avec la
    localisation de fichiers dans des r&eacute;pertoires o&ugrave; les utilisateurs non root
    ont les droits en &eacute;criture. Voir la documention sur les
    <a href="misc/security_tips.html#serverroot">Conseils &agrave; propos
    de la s&eacute;curit&eacute;</a> pour plus de d&eacute;tails.</p>
  </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif"></a></div>
<div class="section">
<h2 id="resource">Limitation de l'utilisation des ressources <a title="Lien permanent" href="#resource" class="permalink">&para;</a></h2>
    

    <table class="related"><tr><th>Modules Apparent&eacute;s</th><th>Directives Apparent&eacute;es</th></tr><tr><td></td><td><ul><li><code class="directive"><a href="./mod/core.html#limitrequestbody">LimitRequestBody</a></code></li><li><code class="directive"><a href="./mod/core.html#limitrequestfields">LimitRequestFields</a></code></li><li><code class="directive"><a href="./mod/core.html#limitrequestfieldsize">LimitRequestFieldsize</a></code></li><li><code class="directive"><a href="./mod/core.html#limitrequestline">LimitRequestLine</a></code></li><li><code class="directive"><a href="./mod/core.html#rlimitcpu">RLimitCPU</a></code></li><li><code class="directive"><a href="./mod/core.html#rlimitmem">RLimitMEM</a></code></li><li><code class="directive"><a href="./mod/core.html#rlimitnproc">RLimitNPROC</a></code></li><li><code class="directive"><a href="./mod/mpm_common.html#threadstacksize">ThreadStackSize</a></code></li></ul></td></tr></table>

    <p>Les directives <code class="directive">LimitRequest</code>* permettent de
    limiter la quantit&eacute; de ressources consomm&eacute;es par httpd pour le traitement
    des requ&ecirc;tes des clients. Cette limitation permet de minimiser les effets
    de certains types d'attaques par d&eacute;ni de service.</p>

    <p>Les directives <code class="directive">RLimit</code>* permettent de limiter la
    quantit&eacute; de ressources utilisable par les processus initi&eacute;s (forked) par
    les processus enfants httpd. Elles permettent en particulier de contr&ocirc;ler
    les ressources utilis&eacute;es par les scripts CGI et les commandes exec des
    "Inclusions c&ocirc;t&eacute; serveur" (Server Side Includes ou SSI).</p>

    <p>La directive <code class="directive"><a href="./mod/mpm_common.html#threadstacksize">ThreadStackSize</a></code>
    permet sur certaines plates-formes de contr&ocirc;ler la taille de la pile.</p>
  </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif"></a></div>
<div class="section">
<h2 id="implementation">Choix d'impl&eacute;mentation <a title="Lien permanent" href="#implementation" class="permalink">&para;</a></h2>
    

    <table class="related"><tr><th>Modules Apparent&eacute;s</th><th>Directives Apparent&eacute;es</th></tr><tr><td></td><td><ul><li><code class="directive"><a href="./mod/core.html#mutex">Mutex</a></code></li></ul></td></tr></table>

    <p>La directive <code class="directive">Mutex</code> permet de modifier
    l'impl&eacute;mentation sous-jacente des mutex, afin de r&eacute;soudre les
    probl&egrave;mes de fonctionnement ou de performance dus au choix par
    d&eacute;faut d'<a class="glossarylink" href="./glossary.html#apr" title="voir glossaire">APR</a>.</p>
  </div></div>
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