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8 <title>Server-Wide Configuration - Apache HTTP Server</title>
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14 <p class="menu"><a href="./mod/">Modules</a> | <a href="./mod/directives.html">Directives</a> | <a href="./faq/">FAQ</a> | <a href="./glossary.html">Glossary</a> | <a href="./sitemap.html">Sitemap</a></p>
15 <p class="apache">Apache HTTP Server Version 2.0</p>
16 <img alt="" src="./images/feather.gif" /></div>
17 <div class="up"><a href="./"><img title="<-" alt="<-" src="./images/left.gif" /></a></div>
19 <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 2.0</a></div><div id="page-content"><div id="preamble"><h1>Server-Wide Configuration</h1>
21 <p><span>Available Languages: </span><a href="./en/server-wide.html" title="English"> en </a> |
22 <a href="./es/server-wide.html" hreflang="es" rel="alternate" title="Español"> es </a> |
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28 <p>This document explains some of the directives provided by
29 the <code class="module"><a href="./mod/core.html">core</a></code> server which are used to configure
30 the basic operations of the server.</p>
32 <div id="quickview"><ul id="toc"><li><img alt="" src="./images/down.gif" /> <a href="#identification">Server Identification</a></li>
33 <li><img alt="" src="./images/down.gif" /> <a href="#locations">File Locations</a></li>
34 <li><img alt="" src="./images/down.gif" /> <a href="#resource">Limiting Resource Usage</a></li>
36 <div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
38 <h2><a name="identification" id="identification">Server Identification</a></h2>
41 <table class="related"><tr><th>Related Modules</th><th>Related Directives</th></tr><tr><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></ul></td></tr></table>
43 <p>The <code class="directive"><a href="./mod/core.html#serveradmin">ServerAdmin</a></code> and
44 <code class="directive"><a href="./mod/core.html#servertokens">ServerTokens</a></code> directives
45 control what information about the server will be presented
46 in server-generated documents such as error messages. The
47 <code class="directive"><a href="./mod/core.html#servertokens">ServerTokens</a></code> directive
48 sets the value of the Server HTTP response header field.</p>
50 <p>The <code class="directive"><a href="./mod/core.html#servername">ServerName</a></code> and
51 <code class="directive"><a href="./mod/core.html#usecanonicalname">UseCanonicalName</a></code>
52 directives are used by the server to determine how to construct
53 self-referential URLs. For example, when a client requests a
54 directory, but does not include the trailing slash in the
55 directory name, Apache must redirect the client to the full
56 name including the trailing slash so that the client will
57 correctly resolve relative references in the document.</p>
58 </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
60 <h2><a name="locations" id="locations">File Locations</a></h2>
63 <table class="related"><tr><th>Related Modules</th><th>Related Directives</th></tr><tr><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/mpm_common.html#lockfile">LockFile</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>
65 <p>These directives control the locations of the various files
66 that Apache needs for proper operation. When the pathname used
67 does not begin with a slash (/), the files are located relative
68 to the <code class="directive"><a href="./mod/core.html#serverroot">ServerRoot</a></code>. Be careful
69 about locating files in paths which are writable by non-root users.
70 See the <a href="misc/security_tips.html#serverroot">security tips</a>
71 documentation for more details.</p>
72 </div><div class="top"><a href="#page-header"><img alt="top" src="./images/up.gif" /></a></div>
74 <h2><a name="resource" id="resource">Limiting Resource Usage</a></h2>
77 <table class="related"><tr><th>Related Modules</th><th>Related Directives</th></tr><tr><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_netware.html#threadstacksize">ThreadStackSize</a></code></li></ul></td></tr></table>
79 <p>The <code class="directive">LimitRequest</code>*
80 directives are used to place limits on the amount of resources
81 Apache will use in reading requests from clients. By limiting
82 these values, some kinds of denial of service attacks can be
85 <p>The <code class="directive">RLimit</code>* directives
86 are used to limit the amount of resources which can be used by
87 processes forked off from the Apache children. In particular,
88 this will control resources used by CGI scripts and SSI exec
91 <p>The <code class="directive"><a href="./mod/mpm_netware.html#threadstacksize">ThreadStackSize</a></code> directive
92 is used only on Netware to control the stack size.</p>
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101 <p class="apache">Copyright 2009 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>
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