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 <p class="apache">Apache HTTP Server Version 2.0</p>
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 <div id="page-content">
 <div id="preamble"><h1>Apache Module mod_dav</h1>
 <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Distributed Authoring and Versioning
 (<a href="http://www.webdav.org/">WebDAV</a>) functionality</td></tr>
 <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
 <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>dav_module</td></tr>
 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_dav.c</td></tr></table>
 <h3>Summary</h3>

     <p>This module provides class 1 and class 2 <a href="http://www.webdav.org">WebDAV</a> ('Web-based Distributed
     Authoring and Versioning') functionality for Apache. This
     extension to the HTTP protocol allows creating, moving,
     copying, and deleting resources and collections on a remote web
     server.</p>
 </div>
 <div id="quickview"><h3 class="directives">Directives</h3>
 <ul id="toc">
 <li><img alt="" src="../images/down.gif" /> <a href="#dav">Dav</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#davdepthinfinity">DavDepthInfinity</a></li>
 <li><img alt="" src="../images/down.gif" /> <a href="#davmintimeout">DavMinTimeout</a></li>
 </ul>
 <h3>Topics</h3>
 <ul id="topics">
 <li><img alt="" src="../images/down.gif" /> <a href="#example">Enabling WebDAV</a></li>
 </ul><h3>See also</h3>
 <ul class="seealso">
 <li><code class="directive"><a href="../mod/mod_dav_fs.html#davlockdb">DavLockDB</a></code></li>
 <li><code class="directive"><a href="../mod/core.html#limitxmlrequestbody">LimitXMLRequestBody</a></code></li>
 <li><a href="http://www.webdav.org">WebDAV Resources</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="example" id="example">Enabling WebDAV</a></h2>
     <p>To enable <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code>, add the following to a
     container in your <code>httpd.conf</code> file:</p>

     <div class="example"><p><code>Dav On</code></p></div>

     <p>This enables the DAV file system provider, which is implemented by
     the <code class="module"><a href="../mod/mod_dav_fs.html">mod_dav_fs</a></code> module. Therefore that module has to
     be compiled into the server or has to be loaded at runtime using the
     <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code> directive.</p>

     <p>In order to make it work you have to specify a web-server writable
     filename for the DAV lock database by adding the following to the
     global section in your <code>httpd.conf</code> file:</p>

     <div class="example"><p><code>
       DavLockDB /tmp/DavLock
     </code></p></div>

     <p>You may wish to add a <code class="directive"><a href="../mod/core.html#limit">&lt;Limit&gt;</a></code> clause inside the <code class="directive"><a href="../mod/core.html#location">&lt;Location&gt;</a></code> directive to limit access to
     DAV-enabled locations. If you want to set the maximum amount of
     bytes that a DAV client can send at one request, you have to use
     the <code class="directive"><a href="../mod/core.html#limitxmlrequestbody">LimitXMLRequestBody</a></code>
     directive. The "normal" <code class="directive"><a href="../mod/core.html#limitrequestbody">LimitRequestBody</a></code> directive has no effect on DAV
     requests.</p>

     <div class="example"><h3>Full Example</h3><p><code>
       DavLockDB /tmp/DavLock<br />
       <br />
        &lt;Location /foo&gt;<br />
        <span class="indent">
          Dav On<br />
          <br />
          AuthType Basic<br />
          AuthName DAV<br />
          AuthUserFile user.passwd<br />
          <br />
          &lt;LimitExcept GET HEAD OPTIONS&gt;<br />
          <span class="indent">
            require user admin<br />
          </span>
          &lt;/LimitExcept&gt;<br />
        </span>
        &lt;/Location&gt;<br />
     </code></p></div>

     <div class="warning"><h3>Security</h3>
       <p>The use of HTTP Basic Authentication is not recommended. You
       should use at least HTTP Digest Authentication, which is provided by
       the <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code> module. Nearly all WebDAV clients
       support this authentication method. Of course, Basic Authentication
       over an <a href="../ssl/">SSL</a> enabled connection is secure,
       too.</p>
     </div>
 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="Dav" id="Dav">Dav</a> <a name="dav" id="dav">Directive</a></h2>
 <table class="directive">
 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Enable WebDAV HTTP methods</td></tr>
 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Dav On|Off|<var>provider-name</var></code></td></tr>
 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Dav Off</code></td></tr>
 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory</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_dav</td></tr>
 </table>
     <p>Use the <code class="directive">Dav</code> directive to enable the
     WebDAV HTTP methods for the given container:</p>

     <div class="example"><p><code>
       &lt;Location /foo&gt;<br />
       <span class="indent">
         Dav On<br />
       </span>
       &lt;/Location&gt;
     </code></p></div>

     <p>The value <code>On</code> is actually an alias for the default
     provider <code>filesystem</code> which is served by the <code class="module"><a href="../mod/mod_dav_fs.html">mod_dav_fs</a></code> module. Note, that once you have DAV enabled
     for some location, it <em>cannot</em> be disabled for sublocations.
     For a complete configuration example have a look at the <a href="#example">section above</a>.</p>

     <div class="warning">
       Do not enable WebDAV until you have secured your server. Otherwise
       everyone will be able to distribute files on your system.
     </div>

 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="DavDepthInfinity" id="DavDepthInfinity">DavDepthInfinity</a> <a name="davdepthinfinity" id="davdepthinfinity">Directive</a></h2>
 <table class="directive">
 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Allow PROPFIND, Depth: Infinity requests</td></tr>
 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>DavDepthInfinity on|off</code></td></tr>
 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>DavDepthInfinity off</code></td></tr>
 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</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_dav</td></tr>
 </table>
     <p>Use the <code class="directive">DavDepthInfinity</code> directive to
     allow the processing of <code>PROPFIND</code> requests containing the
     header 'Depth: Infinity'. Because this type of request could constitute
     a denial-of-service attack, by default it is not allowed.</p>

 </div>
 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
 <div class="directive-section"><h2><a name="DavMinTimeout" id="DavMinTimeout">DavMinTimeout</a> <a name="davmintimeout" id="davmintimeout">Directive</a></h2>
 <table class="directive">
 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Minimum amount of time the server holds a lock on
 a DAV resource</td></tr>
 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>DavMinTimeout <var>seconds</var></code></td></tr>
 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>DavMinTimeout 0</code></td></tr>
 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</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_dav</td></tr>
 </table>
     <p>When a client requests a DAV resource lock, it can also
     specify a time when the lock will be automatically removed by
     the server. This value is only a request, and the server can
     ignore it or inform the client of an arbitrary value.</p>

     <p>Use the <code class="directive">DavMinTimeout</code> directive to specify, in
     seconds, the minimum lock timeout to return to a client.
     Microsoft Web Folders defaults to a timeout of 120 seconds; the
     <code class="directive">DavMinTimeout</code> can override this to a higher value
     (like 600 seconds) to reduce the chance of the client losing
     the lock due to network latency.</p>

     <div class="example"><h3>Example</h3><p><code>
       &lt;Location /MSWord&gt;<br />
       <span class="indent">
         DavMinTimeout 600<br />
       </span>
       &lt;/Location&gt;
     </code></p></div>

 </div>
 </div>
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	<title>mod_dav - Apache HTTP Server</title>
	<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
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	<p class="apache">Apache HTTP Server Version 2.0</p>
	<img alt="" src="../images/feather.gif" /></div>
	<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div>
	<div id="path">
	<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs-project/">Documentation</a> > <a href="../">Version 2.0</a> > <a href="./">Modules</a></div>
	<div id="page-content">
	<div id="preamble"><h1>Apache Module mod_dav</h1>
	<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Distributed Authoring and Versioning
	(<a href="http://www.webdav.org/">WebDAV</a>) functionality</td></tr>
	<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
	<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>dav_module</td></tr>
	<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_dav.c</td></tr></table>
	<h3>Summary</h3>

	<p>This module provides class 1 and class 2 <a href="http://www.webdav.org">WebDAV</a> ('Web-based Distributed
	Authoring and Versioning') functionality for Apache. This
	extension to the HTTP protocol allows creating, moving,
	copying, and deleting resources and collections on a remote web
	server.</p>
	</div>
	<div id="quickview"><h3 class="directives">Directives</h3>
	<ul id="toc">
	<li><img alt="" src="../images/down.gif" /> <a href="#dav">Dav</a></li>
	<li><img alt="" src="../images/down.gif" /> <a href="#davdepthinfinity">DavDepthInfinity</a></li>
	<li><img alt="" src="../images/down.gif" /> <a href="#davmintimeout">DavMinTimeout</a></li>
	</ul>
	<h3>Topics</h3>
	<ul id="topics">
	<li><img alt="" src="../images/down.gif" /> <a href="#example">Enabling WebDAV</a></li>
	</ul><h3>See also</h3>
	<ul class="seealso">
	<li><code class="directive"><a href="../mod/mod_dav_fs.html#davlockdb">DavLockDB</a></code></li>
	<li><code class="directive"><a href="../mod/core.html#limitxmlrequestbody">LimitXMLRequestBody</a></code></li>
	<li><a href="http://www.webdav.org">WebDAV Resources</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="example" id="example">Enabling WebDAV</a></h2>
	<p>To enable <code class="module"><a href="../mod/mod_dav.html">mod_dav</a></code>, add the following to a
	container in your <code>httpd.conf</code> file:</p>

	<div class="example"><p><code>Dav On</code></p></div>

	<p>This enables the DAV file system provider, which is implemented by
	the <code class="module"><a href="../mod/mod_dav_fs.html">mod_dav_fs</a></code> module. Therefore that module has to
	be compiled into the server or has to be loaded at runtime using the
	<code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code> directive.</p>

	<p>In order to make it work you have to specify a web-server writable
	filename for the DAV lock database by adding the following to the
	global section in your <code>httpd.conf</code> file:</p>

	<div class="example"><p><code>
	DavLockDB /tmp/DavLock
	</code></p></div>

	<p>You may wish to add a <code class="directive"><a href="../mod/core.html#limit"><Limit></a></code> clause inside the <code class="directive"><a href="../mod/core.html#location"><Location></a></code> directive to limit access to
	DAV-enabled locations. If you want to set the maximum amount of
	bytes that a DAV client can send at one request, you have to use
	the <code class="directive"><a href="../mod/core.html#limitxmlrequestbody">LimitXMLRequestBody</a></code>
	directive. The "normal" <code class="directive"><a href="../mod/core.html#limitrequestbody">LimitRequestBody</a></code> directive has no effect on DAV
	requests.</p>

	<div class="example"><h3>Full Example</h3><p><code>
	DavLockDB /tmp/DavLock<br />
	<br />
	<Location /foo><br />
	<span class="indent">
	Dav On<br />
	<br />
	AuthType Basic<br />
	AuthName DAV<br />
	AuthUserFile user.passwd<br />
	<br />
	<LimitExcept GET HEAD OPTIONS><br />
	<span class="indent">
	require user admin<br />
	</span>
	</LimitExcept><br />
	</span>
	</Location><br />
	</code></p></div>

	<div class="warning"><h3>Security</h3>
	<p>The use of HTTP Basic Authentication is not recommended. You
	should use at least HTTP Digest Authentication, which is provided by
	the <code class="module"><a href="../mod/mod_auth_digest.html">mod_auth_digest</a></code> module. Nearly all WebDAV clients
	support this authentication method. Of course, Basic Authentication
	over an <a href="../ssl/">SSL</a> enabled connection is secure,
	too.</p>
	</div>
	</div>
	<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
	<div class="directive-section"><h2><a name="Dav" id="Dav">Dav</a> <a name="dav" id="dav">Directive</a></h2>
	<table class="directive">
	<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Enable WebDAV HTTP methods</td></tr>
	<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Dav On\|Off\|<var>provider-name</var></code></td></tr>
	<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Dav Off</code></td></tr>
	<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory</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_dav</td></tr>
	</table>
	<p>Use the <code class="directive">Dav</code> directive to enable the
	WebDAV HTTP methods for the given container:</p>

	<div class="example"><p><code>
	<Location /foo><br />
	<span class="indent">
	Dav On<br />
	</span>
	</Location>
	</code></p></div>

	<p>The value <code>On</code> is actually an alias for the default
	provider <code>filesystem</code> which is served by the <code class="module"><a href="../mod/mod_dav_fs.html">mod_dav_fs</a></code> module. Note, that once you have DAV enabled
	for some location, it <em>cannot</em> be disabled for sublocations.
	For a complete configuration example have a look at the <a href="#example">section above</a>.</p>

	<div class="warning">
	Do not enable WebDAV until you have secured your server. Otherwise
	everyone will be able to distribute files on your system.
	</div>

	</div>
	<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
	<div class="directive-section"><h2><a name="DavDepthInfinity" id="DavDepthInfinity">DavDepthInfinity</a> <a name="davdepthinfinity" id="davdepthinfinity">Directive</a></h2>
	<table class="directive">
	<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Allow PROPFIND, Depth: Infinity requests</td></tr>
	<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>DavDepthInfinity on\|off</code></td></tr>
	<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>DavDepthInfinity off</code></td></tr>
	<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</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_dav</td></tr>
	</table>
	<p>Use the <code class="directive">DavDepthInfinity</code> directive to
	allow the processing of <code>PROPFIND</code> requests containing the
	header 'Depth: Infinity'. Because this type of request could constitute
	a denial-of-service attack, by default it is not allowed.</p>

	</div>
	<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
	<div class="directive-section"><h2><a name="DavMinTimeout" id="DavMinTimeout">DavMinTimeout</a> <a name="davmintimeout" id="davmintimeout">Directive</a></h2>
	<table class="directive">
	<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Minimum amount of time the server holds a lock on
	a DAV resource</td></tr>
	<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>DavMinTimeout <var>seconds</var></code></td></tr>
	<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>DavMinTimeout 0</code></td></tr>
	<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory</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_dav</td></tr>
	</table>
	<p>When a client requests a DAV resource lock, it can also
	specify a time when the lock will be automatically removed by
	the server. This value is only a request, and the server can
	ignore it or inform the client of an arbitrary value.</p>

	<p>Use the <code class="directive">DavMinTimeout</code> directive to specify, in
	seconds, the minimum lock timeout to return to a client.
	Microsoft Web Folders defaults to a timeout of 120 seconds; the
	<code class="directive">DavMinTimeout</code> can override this to a higher value
	(like 600 seconds) to reduce the chance of the client losing
	the lock due to network latency.</p>

	<div class="example"><h3>Example</h3><p><code>
	<Location /MSWord><br />
	<span class="indent">
	DavMinTimeout 600<br />
	</span>
	</Location>
	</code></p></div>

	</div>
	</div>
	<div id="footer">
	<p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p>
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