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<div id="preamble"><h1>Apache Module mod_authn_anon</h1>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Allows "anonymous" user access to authenticated
areas</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>authn_anon_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_authn_anon.c</td></tr>
<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.1 and later</td></tr></table>
<h3>Summary</h3>
<p>This module provides authentication front-ends such as
<code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code> to authenticate users similar
to anonymous-ftp sites, <em>i.e.</em> have a 'magic' user id
'anonymous' and the email address as a password. These email
addresses can be logged.</p>
<p>Combined with other (database) access control methods, this
allows for effective user tracking and customization according
to a user profile while still keeping the site open for
'unregistered' users. One advantage of using Auth-based user
tracking is that, unlike magic-cookies and funny URL
pre/postfixes, it is completely browser independent and it
allows users to share URLs.</p>
<p>When using <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code>, this module is invoked
via the <code class="directive"><a href="../mod/mod_auth_basic.html#authbasicprovider">AuthBasicProvider</a></code>
directive with the <code>anon</code> value.</p>
</div>
<div id="quickview"><h3>Topics</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif"> <a href="#example">Example</a></li>
</ul><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif"> <a href="#anonymous">Anonymous</a></li>
<li><img alt="" src="../images/down.gif"> <a href="#anonymous_logemail">Anonymous_LogEmail</a></li>
<li><img alt="" src="../images/down.gif"> <a href="#anonymous_mustgiveemail">Anonymous_MustGiveEmail</a></li>
<li><img alt="" src="../images/down.gif"> <a href="#anonymous_nouserid">Anonymous_NoUserID</a></li>
<li><img alt="" src="../images/down.gif"> <a href="#anonymous_verifyemail">Anonymous_VerifyEmail</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_authn_anon">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_authn_anon">Report a bug</a></li></ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif"></a></div>
<div class="section">
<h2 id="example">Example <a title="Permanent link" href="#example" class="permalink">¶</a></h2>
<p>The example below is combined with "normal" htpasswd-file based
authentication and allows users in additionally as 'guests' with the
following properties:</p>
<ul>
<li>It insists that the user enters a userID.
(<code class="directive"><a href="#anonymous_nouserid">Anonymous_NoUserID</a></code>)</li>
<li>It insists that the user enters a password.
(<code class="directive"><a href="#anonymous_mustgiveemail">Anonymous_MustGiveEmail</a></code>)</li>
<li>The password entered must be a valid email address, <em>i.e.</em>
contain at least one '@' and a '.'.
(<code class="directive"><a href="#anonymous_verifyemail">Anonymous_VerifyEmail</a></code>)</li>
<li>The userID must be one of <code>anonymous guest www test
welcome</code> and comparison is <strong>not</strong> case
sensitive. (<code class="directive"><a href="#anonymous">Anonymous</a></code>)</li>
<li>And the Email addresses entered in the passwd field are
logged to the error log file.
(<code class="directive"><a href="#anonymous_logemail">Anonymous_LogEmail</a></code>)</li>
</ul>
<div class="example"><h3>Example</h3><pre class="prettyprint lang-config"><Directory "/var/www/html/private">
AuthName "Use 'anonymous' & Email address for guest entry"
AuthType Basic
AuthBasicProvider file anon
AuthUserFile "/path/to/your/.htpasswd"
Anonymous_NoUserID off
Anonymous_MustGiveEmail on
Anonymous_VerifyEmail on
Anonymous_LogEmail on
Anonymous anonymous guest www test welcome
Require valid-user
</Directory></pre>
</div>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif"></a></div>
<div class="directive-section"><h2 id="anonymous"><span id="Anonymous">Anonymous</span> Directive <a title="Permanent link" href="#anonymous" class="permalink">¶</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies userIDs that are allowed access without
password verification</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous <var>user</var> [<var>user</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>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
</table>
<p>A list of one or more 'magic' userIDs which are allowed
access without password verification. The userIDs are space
separated. It is possible to use the ' and " quotes to allow a
space in a userID as well as the \ escape character.</p>
<p>Please note that the comparison is
<strong>case-IN-sensitive</strong>.<br>
It's strongly recommended that the magic username
'<code>anonymous</code>' is always one of the allowed
userIDs.</p>
<div class="example"><h3>Example:</h3><pre class="prettyprint lang-config">Anonymous anonymous "Not Registered" "I don't know"</pre>
</div>
<p>This would allow the user to enter without password
verification by using the userIDs "anonymous",
"AnonyMous", "Not Registered" and "I Don't Know".</p>
<p>As of Apache 2.1 it is possible to specify the userID as
"<code>*</code>". That allows <em>any</em> supplied userID to be
accepted.</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif"></a></div>
<div class="directive-section"><h2 id="anonymous_logemail"><span id="Anonymous_LogEmail">Anonymous_LogEmail</span> Directive <a title="Permanent link" href="#anonymous_logemail" class="permalink">¶</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether the password entered will be logged in the
error log</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_LogEmail On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_LogEmail On</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>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
</table>
<p>When set <code>On</code>, the default, the 'password' entered
(which hopefully contains a sensible email address) is logged in
the error log.</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif"></a></div>
<div class="directive-section"><h2 id="anonymous_mustgiveemail"><span id="Anonymous_MustGiveEmail">Anonymous_MustGiveEmail</span> Directive <a title="Permanent link" href="#anonymous_mustgiveemail" class="permalink">¶</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Specifies whether blank passwords are allowed</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_MustGiveEmail On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_MustGiveEmail On</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>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
</table>
<p>Specifies whether the user must specify an email address as
the password. This prohibits blank passwords.</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif"></a></div>
<div class="directive-section"><h2 id="anonymous_nouserid"><span id="Anonymous_NoUserID">Anonymous_NoUserID</span> Directive <a title="Permanent link" href="#anonymous_nouserid" class="permalink">¶</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether the userID field may be empty</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_NoUserID On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_NoUserID Off</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>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
</table>
<p>When set <code>On</code>, users can leave the userID (and
perhaps the password field) empty. This can be very convenient for
MS-Explorer users who can just hit return or click directly on the
OK button; which seems a natural reaction.</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif"></a></div>
<div class="directive-section"><h2 id="anonymous_verifyemail"><span id="Anonymous_VerifyEmail">Anonymous_VerifyEmail</span> Directive <a title="Permanent link" href="#anonymous_verifyemail" class="permalink">¶</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether to check the password field for a correctly
formatted email address</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>Anonymous_VerifyEmail On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>Anonymous_VerifyEmail Off</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>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_authn_anon</td></tr>
</table>
<p>When set <code>On</code> the 'password' entered is checked for
at least one '@' and a '.' to encourage users to enter valid email
addresses (see the above <code class="directive"><a href="#anonymous_logemail">Anonymous_LogEmail</a></code>).</p>
</div>
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