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  10 <title>mod_cern_meta - Apache HTTP Server Version 2.5</title>
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  21 <p class="apache">Apache HTTP Server Version 2.5</p>
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  26 <div id="page-content">
  27 <div id="preamble"><h1>Apache Module mod_cern_meta</h1>
  28 <div class="toplang">
  29 <p><span>Available Languages: </span><a href="../en/mod/mod_cern_meta.html" title="English">&nbsp;en&nbsp;</a> |
  30 <a href="../fr/mod/mod_cern_meta.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
  31 <a href="../ko/mod/mod_cern_meta.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
  32 </div>
  33 <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>CERN httpd metafile semantics</td></tr>
  34 <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  35 <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>cern_meta_module</td></tr>
  36 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_cern_meta.c</td></tr></table>
  37 <h3>Summary</h3>
  38
  39     <p>Emulate the CERN HTTPD Meta file semantics. Meta files are HTTP
  40     headers that can be output in addition to the normal range of
  41     headers for each file accessed. They appear rather like the
  42     Apache .asis files, and are able to provide a crude way of
  43     influencing the Expires: header, as well as providing other
  44     curiosities. There are many ways to manage meta information,
  45     this one was chosen because there is already a large number of
  46     CERN users who can exploit this module.</p>
  47
  48     <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>
  49 </div>
  50 <div id="quickview"><h3 class="directives">Directives</h3>
  51 <ul id="toc">
  52 <li><img alt="" src="../images/down.gif" /> <a href="#metadir">MetaDir</a></li>
  53 <li><img alt="" src="../images/down.gif" /> <a href="#metafiles">MetaFiles</a></li>
  54 <li><img alt="" src="../images/down.gif" /> <a href="#metasuffix">MetaSuffix</a></li>
  55 </ul>
  56 <h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&amp;list_id=144532&amp;product=Apache%20httpd-2&amp;query_format=specific&amp;order=changeddate%20DESC%2Cpriority%2Cbug_severity&amp;component=mod_cern_meta">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_cern_meta">Report a bug</a></li></ul><h3>See also</h3>
  57 <ul class="seealso">
  58 <li><code class="module"><a href="../mod/mod_headers.html">mod_headers</a></code></li>
  59 <li><code class="module"><a href="../mod/mod_asis.html">mod_asis</a></code></li>
  60 <li><a href="#comments_section">Comments</a></li></ul></div>
  61
  62 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  63 <div class="directive-section"><h2><a name="MetaDir" id="MetaDir">MetaDir</a> <a name="metadir" id="metadir">Directive</a><a title="Permanent link" href="#metadir" class="permalink">&para;</a></h2>
  64 <table class="directive">
  65 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Name of the directory to find CERN-style meta information
  66 files</td></tr>
  67 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MetaDir <var>directory</var></code></td></tr>
  68 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MetaDir .web</code></td></tr>
  69 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
  70 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>Indexes</td></tr>
  71 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  72 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cern_meta</td></tr>
  73 </table>
  74     <p>Specifies the name of the directory in which Apache can find
  75     meta information files. The directory is usually a 'hidden'
  76     subdirectory of the directory that contains the file being
  77     accessed. Set to "<code>.</code>" to look in the same directory
  78     as the file:</p>
  79
  80     <pre class="prettyprint lang-config">MetaDir .</pre>
  81
  82
  83     <p>Or, to set it to a subdirectory of the directory containing the
  84     files:</p>
  85
  86     <pre class="prettyprint lang-config">MetaDir .meta</pre>
  87
  88
  89 </div>
  90 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
  91 <div class="directive-section"><h2><a name="MetaFiles" id="MetaFiles">MetaFiles</a> <a name="metafiles" id="metafiles">Directive</a><a title="Permanent link" href="#metafiles" class="permalink">&para;</a></h2>
  92 <table class="directive">
  93 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Activates CERN meta-file processing</td></tr>
  94 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MetaFiles on|off</code></td></tr>
  95 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MetaFiles off</code></td></tr>
  96 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
  97 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>Indexes</td></tr>
  98 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
  99 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cern_meta</td></tr>
 100 </table>
 101     <p>Turns on/off Meta file processing on a per-directory basis.</p>
 102
 103 </div>
 104 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 105 <div class="directive-section"><h2><a name="MetaSuffix" id="MetaSuffix">MetaSuffix</a> <a name="metasuffix" id="metasuffix">Directive</a><a title="Permanent link" href="#metasuffix" class="permalink">&para;</a></h2>
 106 <table class="directive">
 107 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>File name suffix for the file containing CERN-style
 108 meta information</td></tr>
 109 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MetaSuffix <var>suffix</var></code></td></tr>
 110 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MetaSuffix .meta</code></td></tr>
 111 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
 112 <tr><th><a href="directive-dict.html#Override">Override:</a></th><td>Indexes</td></tr>
 113 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 114 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_cern_meta</td></tr>
 115 </table>
 116     <p>Specifies the file name suffix for the file containing the
 117     meta information. For example, the default values for the two
 118     directives will cause a request to
 119     <code>DOCUMENT_ROOT/somedir/index.html</code> to look in
 120     <code>DOCUMENT_ROOT/somedir/.web/index.html.meta</code> and
 121     will use its contents to generate additional MIME header
 122     information.</p>
 123
 124     <div class="example"><h3>Example:</h3><pre class="prettyprint lang-config">MetaSuffix .meta</pre>
 125 </div>
 126
 127 </div>
 128 </div>
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 130 <p><span>Available Languages: </span><a href="../en/mod/mod_cern_meta.html" title="English">&nbsp;en&nbsp;</a> |
 131 <a href="../fr/mod/mod_cern_meta.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
 132 <a href="../ko/mod/mod_cern_meta.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
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