mod_auth_digest.html.en

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<div class="directive-section"><h2><a name="AuthDigestFile" id="AuthDigestFile">AuthDigestFile</a> <a name="authdigestfile" id="authdigestfile">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Location of the text file containing the list
of users and encoded passwords for digest authentication</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthDigestFile <var>file-path</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_digest</td></tr>
</table>
    <p>The <code class="directive">AuthDigestFile</code> directive sets the
    name of a textual file containing the list of users and encoded
    passwords for digest authentication. <var>File-path</var> is the
    absolute path to the user file.</p>

    <p>The digest file uses a special format. Files in this format
    can be created using the <code class="program"><a href="../programs/htdigest.html">htdigest</a></code> utility found in
    the <code>support/</code> subdirectory of the Apache distribution.</p>

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<div class="directive-section"><h2><a name="AuthDigestGroupFile" id="AuthDigestGroupFile">AuthDigestGroupFile</a> <a name="authdigestgroupfile" id="authdigestgroupfile">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Name of the text file containing the list of groups
for digest authentication</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthDigestGroupFile <var>file-path</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_digest</td></tr>
</table>
    <p>The <code class="directive">AuthDigestGroupFile</code> directive sets
    the name of a textual file containing the list of groups and their
    members (user names). <var>File-path</var> is the absolute path to
    the group file.</p>

    <p>Each line of the group file contains a groupname followed by
    a colon, followed by the member usernames separated by spaces.
    Example:</p>

    <div class="example"><p><code>mygroup: bob joe anne</code></p></div>

    <p>Note that searching large text files is <em>very</em>
    inefficient.</p>

    <div class="warning"><h3>Security:</h3>
    <p>Make sure that the <code class="directive">AuthGroupFile</code> is stored
    outside the document tree of the web-server; do <em>not</em> put it in
    the directory that it protects. Otherwise, clients may be able
    to download the <code class="directive">AuthGroupFile</code>.</p>
    </div>

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<div class="directive-section"><h2><a name="AuthDigestNcCheck" id="AuthDigestNcCheck">AuthDigestNcCheck</a> <a name="authdigestnccheck" id="authdigestnccheck">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Enables or disables checking of the nonce-count sent by the
server</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthDigestNcCheck On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthDigestNcCheck Off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_digest</td></tr>
</table>
    <div class="note">
      Not implemented yet.
    </div>
    

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<div class="directive-section"><h2><a name="AuthDigestNonceFormat" id="AuthDigestNonceFormat">AuthDigestNonceFormat</a> <a name="authdigestnonceformat" id="authdigestnonceformat">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines how the nonce is generated</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthDigestNonceFormat <var>format</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_digest</td></tr>
</table>
    <div class="note">Not implemented yet.</div>
    

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<div class="directive-section"><h2><a name="AuthDigestNonceLifetime" id="AuthDigestNonceLifetime">AuthDigestNonceLifetime</a> <a name="authdigestnoncelifetime" id="authdigestnoncelifetime">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>How long the server nonce is valid</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthDigestNonceLifetime <var>seconds</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthDigestNonceLifetime 300</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_digest</td></tr>
</table>
    <p>The <code class="directive">AuthDigestNonceLifetime</code> directive
    controls how long the server nonce is valid. When the client
    contacts the server using an expired nonce the server will send
    back a 401 with <code>stale=true</code>. If <var>seconds</var> is
    greater than 0 then it specifies the amount of time for which the
    nonce is valid; this should probably never be set to less than 10
    seconds. If <var>seconds</var> is less than 0 then the nonce never
    expires. 
    </p>

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<div class="directive-section"><h2><a name="AuthDigestQop" id="AuthDigestQop">AuthDigestQop</a> <a name="authdigestqop" id="authdigestqop">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determines the quality-of-protection to use in digest
authentication</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthDigestQop none|auth|auth-int [auth|auth-int]</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthDigestQop auth</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>directory, .htaccess</td></tr>
<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>AuthConfig</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_digest</td></tr>
</table>
    <p>The <code class="directive">AuthDigestQop</code> directive determines
    the <dfn>quality-of-protection</dfn> to use. <code>auth</code> will only do
    authentication (username/password); <code>auth-int</code> is
    authentication plus integrity checking (an MD5 hash of the entity
    is also computed and checked); <code>none</code> will cause the module
    to use the old RFC-2069 digest algorithm (which does not include
    integrity checking). Both <code>auth</code> and <code>auth-int</code> may
    be specified, in which the case the browser will choose which of
    these to use. <code>none</code> should only be used if the browser for
    some reason does not like the challenge it receives otherwise.</p>

    <div class="note">
      <code>auth-int</code> is not implemented yet.
    </div>

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<div class="directive-section"><h2><a name="AuthDigestShmemSize" id="AuthDigestShmemSize">AuthDigestShmemSize</a> <a name="authdigestshmemsize" id="authdigestshmemsize">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>The amount of shared memory to allocate for keeping track
of clients</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthDigestShmemSize <var>size</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthDigestShmemSize 1000</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_digest</td></tr>
</table>
    <p>The <code class="directive">AuthDigestShmemSize</code> directive defines
    the amount of shared memory, that will be allocated at the server
    startup for keeping track of clients. Note that the shared memory
    segment cannot be set less than the space that is neccessary for
    tracking at least <em>one</em> client. This value is dependant on your
    system. If you want to find out the exact value, you may simply
    set <code class="directive">AuthDigestShmemSize</code> to the value of
    <code>0</code> and read the error message after trying to start the
    server.</p>

    <p>The <var>size</var> is normally expressed in Bytes, but you
    may let the number follow a <code>K</code> or an <code>M</code> to
    express your value as KBytes or MBytes. For example, the following
    directives are all equivalent:</p>

    <div class="example"><p><code>
      AuthDigestShmemSize 1048576<br />
      AuthDigestShmemSize 1024K<br />
      AuthDigestShmemSize 1M
    </code></p></div>

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