1<?xml version="1.0" encoding="ISO-8859-1"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!-- 4 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 5 This file is generated from xml source: DO NOT EDIT 6 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 7 --> 8<title>mod_cern_meta - Apache HTTP Server</title> 9<link href="/style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> 10<link href="/style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> 11<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" /> 12<script src="/style/scripts/prettify.min.js" type="text/javascript"> 13</script> 14 15<link href="/images/favicon.ico" rel="shortcut icon" /></head> 16<body> 17<div id="page-header"> 18<p class="menu"><a href="/mod/">Modules</a> | <a href="/mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="/glossary.html">Glossary</a> | <a href="/sitemap.html">Sitemap</a></p> 19<p class="apache">Apache HTTP Server Version 2.4</p> 20<img alt="" src="/images/feather.gif" /></div> 21<div class="up"><a href="./"><img title="<-" alt="<-" src="/images/left.gif" /></a></div> 22<div id="path"> 23<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 2.4</a> > <a href="./">Modules</a></div> 24<div id="page-content"> 25<div id="preamble"><h1>Apache Module mod_cern_meta</h1> 26<div class="toplang"> 27<p><span>Available Languages: </span><a href="/en/mod/mod_cern_meta.html" title="English"> en </a> | 28<a href="/fr/mod/mod_cern_meta.html" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> | 29<a href="/ko/mod/mod_cern_meta.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p> 30</div> 31<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>CERN httpd metafile semantics</td></tr> 32<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr> 33<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>cern_meta_module</td></tr> 34<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_cern_meta.c</td></tr></table> 35<h3>Summary</h3> 36 37 <p>Emulate the CERN HTTPD Meta file semantics. Meta files are HTTP 38 headers that can be output in addition to the normal range of 39 headers for each file accessed. They appear rather like the 40 Apache .asis files, and are able to provide a crude way of 41 influencing the Expires: header, as well as providing other 42 curiosities. There are many ways to manage meta information, 43 this one was chosen because there is already a large number of 44 CERN users who can exploit this module.</p> 45 46 <p>More information on the <a href="http://www.w3.org/pub/WWW/Daemon/User/Config/General.html#MetaDir">CERN metafile semantics</a> is available.</p> 47</div> 48<div id="quickview"><h3 class="directives">Directives</h3> 49<ul id="toc"> 50<li><img alt="" src="/images/down.gif" /> <a href="#metadir">MetaDir</a></li> 51<li><img alt="" src="/images/down.gif" /> <a href="#metafiles">MetaFiles</a></li> 52<li><img alt="" src="/images/down.gif" /> <a href="#metasuffix">MetaSuffix</a></li> 53</ul> 54<h3>See also</h3> 55<ul class="seealso"> 56<li><code class="module"><a href="/mod/mod_headers.html">mod_headers</a></code></li> 57<li><code class="module"><a href="/mod/mod_asis.html">mod_asis</a></code></li> 58</ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> 59 60<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 61<div class="directive-section"><h2><a name="MetaDir" id="MetaDir">MetaDir</a> <a name="metadir" id="metadir">Directive</a></h2> 62<table class="directive"> 63<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Name of the directory to find CERN-style meta information 64files</td></tr> 65<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MetaDir <var>directory</var></code></td></tr> 66<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MetaDir .web</code></td></tr> 67<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> 68<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>Indexes</td></tr> 69<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr> 70<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cern_meta</td></tr> 71</table> 72 <p>Specifies the name of the directory in which Apache can find 73 meta information files. The directory is usually a 'hidden' 74 subdirectory of the directory that contains the file being 75 accessed. Set to "<code>.</code>" to look in the same directory 76 as the file:</p> 77 78 <pre class="prettyprint lang-config">MetaDir .</pre> 79 80 81 <p>Or, to set it to a subdirectory of the directory containing the 82 files:</p> 83 84 <pre class="prettyprint lang-config">MetaDir .meta</pre> 85 86 87</div> 88<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 89<div class="directive-section"><h2><a name="MetaFiles" id="MetaFiles">MetaFiles</a> <a name="metafiles" id="metafiles">Directive</a></h2> 90<table class="directive"> 91<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Activates CERN meta-file processing</td></tr> 92<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MetaFiles on|off</code></td></tr> 93<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MetaFiles off</code></td></tr> 94<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> 95<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>Indexes</td></tr> 96<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr> 97<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cern_meta</td></tr> 98</table> 99 <p>Turns on/off Meta file processing on a per-directory basis.</p> 100 101</div> 102<div class="top"><a href="#page-header"><img alt="top" src="/images/up.gif" /></a></div> 103<div class="directive-section"><h2><a name="MetaSuffix" id="MetaSuffix">MetaSuffix</a> <a name="metasuffix" id="metasuffix">Directive</a></h2> 104<table class="directive"> 105<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>File name suffix for the file containing CERN-style 106meta information</td></tr> 107<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MetaSuffix <var>suffix</var></code></td></tr> 108<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MetaSuffix .meta</code></td></tr> 109<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr> 110<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>Indexes</td></tr> 111<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr> 112<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cern_meta</td></tr> 113</table> 114 <p>Specifies the file name suffix for the file containing the 115 meta information. For example, the default values for the two 116 directives will cause a request to 117 <code>DOCUMENT_ROOT/somedir/index.html</code> to look in 118 <code>DOCUMENT_ROOT/somedir/.web/index.html.meta</code> and 119 will use its contents to generate additional MIME header 120 information.</p> 121 122 <div class="example"><h3>Example:</h3><pre class="prettyprint lang-config">MetaSuffix .meta</pre> 123</div> 124 125</div> 126</div> 127<div class="bottomlang"> 128<p><span>Available Languages: </span><a href="/en/mod/mod_cern_meta.html" title="English"> en </a> | 129<a href="/fr/mod/mod_cern_meta.html" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a> | 130<a href="/ko/mod/mod_cern_meta.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p> 131</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">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. 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