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-<title>mod_info - Apache HTTP Server</title>
+<title>mod_info - Apache HTTP Server Version 2.5</title>
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-<p class="apache">Apache HTTP Server Version 2.1</p>
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+<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/
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+<p class="apache">Apache HTTP Server Version 2.5</p>
+<img alt="" src="../images/feather.png" /></div>
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+<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 2.5</a> > <a href="./">Modules</a></div>
<div id="page-content">
<div id="preamble"><h1>Apache Module mod_info</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/mod/mod_info.html" title="English"> en </a> |
-<a href="../ja/mod/mod_info.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a></p>
+<a href="../fr/mod/mod_info.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
+<a href="../ja/mod/mod_info.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
+<a href="../ko/mod/mod_info.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
</div>
<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Provides a comprehensive overview of the server
configuration</td></tr>
<p>To configure <code class="module"><a href="../mod/mod_info.html">mod_info</a></code>, add the following to your
<code>httpd.conf</code> file.</p>
- <div class="example"><p><code>
- <Location /server-info><br />
- <span class="indent">
- SetHandler server-info<br />
- </span>
- </Location>
- </code></p></div>
+ <pre class="prettyprint lang-config"><Location "/server-info">
+ SetHandler server-info
+</Location></pre>
+
+
+ <p>You may wish to use <code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code> inside the
+ <code class="directive"><a href="../mod/core.html#location"><Location></a></code>
+ directive to limit access to your server configuration
+ information:</p>
+
+ <pre class="prettyprint lang-config"><Location "/server-info">
+ SetHandler server-info
+ Require host example.com
+</Location></pre>
+
<p>Once configured, the server information is obtained by
accessing <code>http://your.host.example.com/server-info</code></p>
</div>
-<div id="quickview"><h3 class="directives">Directives</h3>
-<ul id="toc">
-<li><img alt="" src="../images/down.gif" /> <a href="#addmoduleinfo">AddModuleInfo</a></li>
-</ul>
-<h3>Topics</h3>
+<div id="quickview"><h3>Topics</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#security">Security Issues</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#queries">Selecting the information shown</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#startup">Dumping the configuration on startup</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#limitations">Known Limitations</a></li>
-</ul></div>
+</ul><h3 class="directives">Directives</h3>
+<ul id="toc">
+<li><img alt="" src="../images/down.gif" /> <a href="#addmoduleinfo">AddModuleInfo</a></li>
+</ul>
+<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__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_info">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_info">Report a bug</a></li></ul><h3>See also</h3>
+<ul class="seealso">
+<li><a href="#comments_section">Comments</a></li></ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
-<h2><a name="security" id="security">Security Issues</a></h2>
+<h2><a name="security" id="security">Security Issues</a><a title="Permanent link" href="#security" class="permalink">¶</a></h2>
<p>Once <code class="module"><a href="../mod/mod_info.html">mod_info</a></code> is loaded into the server, its
handler capability is available in <em>all</em> configuration
files, including per-directory files (<em>e.g.</em>,
this module should <strong>only</strong> be
used in a controlled environment and always with caution.</p>
- <p>You will probably want to use <code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code>
+ <p>You will probably want to use <code class="module"><a href="../mod/mod_authz_host.html">mod_authz_host</a></code>
to limit access to your server configuration information.</p>
-
- <div class="example"><h3>Access control</h3><p><code>
- <Location /server-info><br />
- <span class="indent">
- SetHandler server-info<br />
- Order allow,deny<br />
- # Allow access from server itself<br />
- Allow from 127.0.0.1<br />
- # Additionally, allow access from local workstation<br />
- Allow from 192.168.1.17<br />
- </span>
- </Location>
- </code></p></div>
+
+ <div class="example"><h3>Access control</h3><pre class="prettyprint lang-config"><Location "/server-info">
+ SetHandler server-info
+ # Allow access from server itself
+ Require ip 127.0.0.1
+
+ # Additionally, allow access from local workstation
+ Require ip 192.168.1.17
+</Location></pre>
+</div>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
-<h2><a name="queries" id="queries">Selecting the information shown</a></h2>
+<h2><a name="queries" id="queries">Selecting the information shown</a><a title="Permanent link" href="#queries" class="permalink">¶</a></h2>
<p>By default, the server information includes a list of
all enabled modules, and for each module, a description of
the directives understood by that module, the hooks implemented
by that module, and the relevant directives from the current
configuration.</p>
-
+
<p>Other views of the configuration information are available by
appending a query to the <code>server-info</code> request. For
example, <code>http://your.host.example.com/server-info?config</code>
will show all configuration directives.</p>
-
+
<dl>
<dt><code>?<module-name></code></dt>
<dd>Only information relevant to the named module</dd>
<dd>Only a simple list of enabled modules</dd>
<dt><code>?server</code></dt>
<dd>Only the basic server information</dd>
+ <dt><code>?providers</code></dt>
+ <dd>List the providers that are available on your server</dd>
</dl>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
-<h2><a name="limitations" id="limitations">Known Limitations</a></h2>
+<h2><a name="startup" id="startup">Dumping the configuration on startup</a><a title="Permanent link" href="#startup" class="permalink">¶</a></h2>
+ <p>If the config define <code>-DDUMP_CONFIG</code> is set,
+ <code class="module"><a href="../mod/mod_info.html">mod_info</a></code> will dump the pre-parsed configuration to
+ <code>stdout</code> during server startup.</p>
+
+ <pre class="prettyprint lang-sh">httpd -DDUMP_CONFIG -k start</pre>
+
+
+ <p>Pre-parsed means that directives like
+ <code class="directive"><a href="../mod/core.html#ifdefine"><IfDefine></a></code> and
+ <code class="directive"><a href="../mod/core.html#ifmodule"><IfModule></a></code> are
+ evaluated and environment variables are replaced. However it does
+ not represent the final state of the configuration. In particular,
+ it does not represent the merging or overriding that may happen
+ for repeated directives.</p>
+
+ <p>This is roughly equivalent to the <code>?config</code> query.</p>
+</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="limitations" id="limitations">Known Limitations</a><a title="Permanent link" href="#limitations" class="permalink">¶</a></h2>
<p><code class="module"><a href="../mod/mod_info.html">mod_info</a></code> provides its information by reading the
parsed configuration, rather than reading the original configuration
file. There are a few limitations as a result of the way the parsed
<code class="directive"><a href="../mod/mod_so.html#loadfile">LoadFile</a></code>.</li>
<li>Directives which control the configuration file itself, such as
<code class="directive"><a href="../mod/core.html#include">Include</a></code>,
- <code class="directive"><a href="../mod/core.html#<ifmodule>"><IfModule></a></code> and
- <code class="directive"><a href="../mod/core.html#<ifdefine>"><IfDefine></a></code> are not
+ <code class="directive"><a href="../mod/core.html#ifmodule"><IfModule></a></code> and
+ <code class="directive"><a href="../mod/core.html#ifdefine"><IfDefine></a></code> are not
listed, but the included configuration directives are.</li>
<li>Comments are not listed. (This may be considered a feature.)</li>
<li>Configuration directives from <code>.htaccess</code> files are
not listed (since they do not form part of the permanent server
configuration).</li>
<li>Container directives such as
- <code class="directive"><a href="../mod/core.html#<directory>"><Directory></a></code>
+ <code class="directive"><a href="../mod/core.html#directory"><Directory></a></code>
are listed normally, but <code class="module"><a href="../mod/mod_info.html">mod_info</a></code> cannot figure
out the line number for the closing
- <code class="directive"><a href="../mod/core.html#</directory>"></Directory></a></code>.</li>
- <li>Directives generated by third party modules such as <code class="module"><a href="../mod/mod_perl.html">mod_perl</a></code>
+ <code class="directive"><a href="../mod/core.html#directory"></Directory></a></code>.</li>
+ <li>Directives generated by third party modules such as <a href="http://perl.apache.org">mod_perl</a>
might not be listed.</li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
-<div class="directive-section"><h2><a name="AddModuleInfo" id="AddModuleInfo">AddModuleInfo</a> <a name="addmoduleinfo" id="addmoduleinfo">Directive</a></h2>
+<div class="directive-section"><h2><a name="AddModuleInfo" id="AddModuleInfo">AddModuleInfo</a> <a name="addmoduleinfo" id="addmoduleinfo">Directive</a><a title="Permanent link" href="#addmoduleinfo" class="permalink">¶</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adds additional information to the module
information displayed by the server-info handler</td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_info</td></tr>
-<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Apache 1.3 and above</td></tr>
</table>
<p>This allows the content of <var>string</var> to be shown as
HTML interpreted, <strong>Additional Information</strong> for
the module <var>module-name</var>. Example:</p>
- <div class="example"><p><code>
- AddModuleInfo mod_deflate.c 'See <a \<br />
- <span class="indent">
- href="http://www.apache.org/docs-2.1/mod/mod_deflate.html">\<br />
- http://www.apache.org/docs-2.1/mod/mod_deflate.html</a>'
- </span>
- </code></p></div>
+ <pre class="prettyprint lang-config">AddModuleInfo mod_deflate.c 'See <a \
+ href="http://httpd.apache.org/docs/trunk/mod/mod_deflate.html">\
+ http://httpd.apache.org/docs/trunk/mod/mod_deflate.html</a>'</pre>
+
</div>
</div>
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<p><span>Available Languages: </span><a href="../en/mod/mod_info.html" title="English"> en </a> |
-<a href="../ja/mod/mod_info.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a></p>
-</div><div id="footer">
-<p class="apache">Copyright 1999-2004 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>
-<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></div>
+<a href="../fr/mod/mod_info.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
+<a href="../ja/mod/mod_info.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
+<a href="../ko/mod/mod_info.html" hreflang="ko" rel="alternate" title="Korean"> ko </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">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&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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