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<title>mod_auth_basic - Apache HTTP Server</title>
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<p class="apache">Apache HTTP Server Version 2.3</p>
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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 2.3</a> > <a href="./">Modules</a></div>
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<div id="preamble"><h1>Apache Module mod_auth_basic</h1>
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<p><span>Available Languages: </span><a href="/en/mod/mod_auth_basic.html" title="English"> en </a> |
<a href="/ja/mod/mod_auth_basic.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Basic authentication</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>auth_basic_module</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 allows the use of HTTP Basic Authentication to
restrict access by looking up users in the given providers.
HTTP Digest Authentication is provided by
<code class="module"><a href="/mod/mod_auth_digest.html">mod_auth_digest</a></code>. This module should
usually be combined with at least one authentication module
such as <code class="module"><a href="/mod/mod_authn_file.html">mod_authn_file</a></code> and one authorization
module such as <code class="module"><a href="/mod/mod_authz_user.html">mod_authz_user</a></code>.</p>
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<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="/images/down.gif" /> <a href="#authbasicauthoritative">AuthBasicAuthoritative</a></li>
</ul>
<h3>See also</h3>
<ul class="seealso">
<li><code class="directive"><a href="/mod/mod_access_compat.html#satisfy">Satisfy</a></code> (Deprecated)</li>
<li><code class="directive"><a href="/mod/mod_authz_core.html#<satisfyall>"><SatisfyAll></a></code></li>
<li><code class="directive"><a href="/mod/mod_authz_core.html#<satisfyone>"><SatisfyOne></a></code></li>
</ul></div>
<div class="directive-section"><h2><a name="AuthBasicAuthoritative" id="AuthBasicAuthoritative">AuthBasicAuthoritative</a> <a name="authbasicauthoritative" id="authbasicauthoritative">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets whether authorization and authentication are passed to
lower level modules</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthBasicAuthoritative On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthBasicAuthoritative On</code></td></tr>
</table>
<p>Normally, each authorization module listed in <code class="directive"><a href="#authbasicprovider">AuthBasicProvider</a></code> will attempt
to verify the user, and if the user is not found in any provider,
access will be denied. Setting the
<code class="directive">AuthBasicAuthoritative</code> directive explicitly
to <code>Off</code> allows for both authentication and
authorization to be passed on to other non-provider-based modules
if there is <strong>no userID</strong> or <strong>rule</strong>
matching the supplied userID. This should only be necessary when
combining <code class="module"><a href="/mod/mod_auth_basic.html">mod_auth_basic</a></code> with third-party modules
that are not configured with the <code class="directive"><a href="#authbasicprovider">AuthBasicProvider</a></code>
directive. When using such modules, the order of processing
is determined in the modules' source code and is not configurable.</p>
</div>
<div class="directive-section"><h2><a name="AuthBasicProvider" id="AuthBasicProvider">AuthBasicProvider</a> <a name="authbasicprovider" id="authbasicprovider">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets the authentication provider(s) for this location</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthBasicProvider <var>provider-name</var>
[<var>provider-name</var>] ...</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthBasicProvider file</code></td></tr>
</table>
<p>The <code class="directive">AuthBasicProvider</code> directive sets
which provider is used to authenticate the users for this location.
The default <code>file</code> provider is implemented
by the <code class="module"><a href="/mod/mod_authn_file.html">mod_authn_file</a></code> module. Make sure
that the chosen provider module is present in the server.</p>
<div class="example"><h3>Example</h3><p><code>
<Location /secure><br />
<span class="indent">
AuthType basic<br />
AuthName "private area"<br />
AuthBasicProvider dbm<br />
AuthDBMType SDBM<br />
Require valid-user<br />
</span>
</Location>
</code></p></div>
<p>Providers are implemented by <code class="module"><a href="/mod/mod_authn_dbm.html">mod_authn_dbm</a></code>,
<code class="module"><a href="/mod/mod_authn_file.html">mod_authn_file</a></code>, <code class="module"><a href="/mod/mod_authn_dbd.html">mod_authn_dbd</a></code>,
</div>
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