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<!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
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<modulesynopsis metafile="mod_authn_alias.xml.meta">
<name>mod_authn_alias</name>
<description>Provides the ability to create extended authentication
providers based on actual providers</description>
<status>Extension</status>
<sourcefile>mod_authn_alias.c</sourcefile>
<identifier>authn_alias_module</identifier>
<compatibility>Available in Apache 2.1 and later</compatibility>
<summary>
<p>This module allows extended authentication providers to be created
within the configuration file and assigned an alias name. The alias
providers can then be referenced through the directives
<directive module="mod_auth_basic">AuthBasicProvider</directive> or
<directive module="mod_auth_digest">AuthDigestProvider</directive> in
the same way as a base authentication provider. Besides the ability
to create and alias an extended provider, it also allows the same
extended authentication provider to be reference by multiple
locations.</p>
</summary>
<section id="example"><title>Example</title>
<p>The example below creates two different ldap authentication
provider aliases based on the ldap provider. This allows
a single authenticated location can be serviced by multiple
ldap hosts:</p>
<example><title>Example</title>
LoadModule authn_alias_module modules/mod_authn_alias.so<br /><br />
&lt;AuthnProviderAlias ldap ldap-alias1&gt;<br />
<indent>
AuthLDAPBindDN cn=youruser,o=ctx<br />
AuthLDAPBindPassword yourpassword<br />
AuthLDAPURL ldap://ldap.host/o=ctx<br />
</indent>
&lt;/AuthnProviderAlias&gt;<br /><br />
&lt;AuthnProviderAlias ldap ldap-other-alias&gt;<br />
<indent>
AuthLDAPBindDN cn=yourotheruser,o=dev<br />
AuthLDAPBindPassword yourotherpassword<br />
AuthLDAPURL ldap://other.ldap.host/o=dev?cn<br />
</indent>
&lt;/AuthnProviderAlias&gt;<br /><br />
Alias /secure /webpages/secure<br />
&lt;Directory /webpages/secure&gt;<br />
<indent>
Order deny,allow<br />
Allow from all<br /><br />
AuthBasicProvider ldap-other-alias ldap-alias1<br /><br />
AuthType Basic<br />
AuthName LDAP_Protected_Place<br />
AuthzLDAPAuthoritative off<br />
require valid-user<br />
</indent>
&lt;/Directory&gt;<br />
</example>
</section>
<directivesynopsis type="section">
<name>AuthnProviderAlias</name>
<description>Enclose a group of directives that represent an
extension of a base authentication provider and referenced by
the specified alias</description>
<syntax>&lt;AuthnProviderAlias <var>baseProvider Alias</var>&gt;
... &lt;/AuthnProviderAlias&gt;</syntax>
<contextlist><context>server config</context><context>virtual host</context>
</contextlist>
<usage>
<p><directive type="section">AuthnProviderAlias</directive> and
<code>&lt;/AuthnProviderAlias&gt;</code> are used to enclose a group of
authentication directives that can be referenced by the alias name
using one of the directives <directive module="mod_auth_basic">
AuthBasicProvider</directive> or <directive module="mod_auth_digest">
AuthDigestProvider</directive>.</p>
</usage>
</directivesynopsis>
</modulesynopsis>