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<title>mod_authn_anon - Apache HTTP Server</title>
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<div id="preamble"><h1>Apache Module mod_authn_anon</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/mod/mod_authn_anon.html" title="English">&nbsp;en&nbsp;</a> |
<a href="../ja/mod/mod_authn_anon.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
<a href="../ko/mod/mod_authn_anon.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
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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 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>Topics</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#example">Example</a></li>
</ul><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="example" id="example">Example</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><p><code>
      &lt;Directory /foo&gt;
      <span class="indent">
        AuthName "Use 'anonymous' &amp; Email address for guest entry"<br />
        AuthType Basic<br />
        AuthBasicProvider file anon<br />
        AuthUserFile /path/to/your/.htpasswd<br />
	<br />
        Anonymous_NoUserID off<br />
        Anonymous_MustGiveEmail on<br />
        Anonymous_VerifyEmail on<br />
        Anonymous_LogEmail on<br />
        Anonymous anonymous guest www test welcome<br />
        <br />
        Order Deny,Allow<br />
        Allow from all<br />
        <br />
        Require valid-user<br />
      </span>
      &lt;/Directory&gt;
    </code></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="Anonymous" id="Anonymous">Anonymous</a> <a name="anonymous" id="anonymous">Directive</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><p><code>
      Anonymous anonymous "Not Registered" "I don't know"
    </code></p></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><a name="Anonymous_LogEmail" id="Anonymous_LogEmail">Anonymous_LogEmail</a> <a name="anonymous_logemail" id="anonymous_logemail">Directive</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><a name="Anonymous_MustGiveEmail" id="Anonymous_MustGiveEmail">Anonymous_MustGiveEmail</a> <a name="anonymous_mustgiveemail" id="anonymous_mustgiveemail">Directive</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><a name="Anonymous_NoUserID" id="Anonymous_NoUserID">Anonymous_NoUserID</a> <a name="anonymous_nouserid" id="anonymous_nouserid">Directive</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><a name="Anonymous_VerifyEmail" id="Anonymous_VerifyEmail">Anonymous_VerifyEmail</a> <a name="anonymous_verifyemail" id="anonymous_verifyemail">Directive</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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