2.4.x/docs/manual/mod/mod_authz_user.xml

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<modulesynopsis metafile="mod_authz_user.xml.meta">

<name>mod_authz_user</name>
<description>User Authorization</description>
<status>Base</status>
<sourcefile>mod_authz_user.c</sourcefile>
<identifier>authz_user_module</identifier>
<compatibility>Available in Apache 2.1 and later</compatibility>

<summary>
    <p>This module provides authorization capabilities so that
    authenticated users can be allowed or denied access to portions
    of the web site. <module>mod_authz_user</module> grants
    access if the authenticated user is listed in a <code>Require user</code>
    directive. Alternatively <code>Require valid-user</code> can be used to
    grant access to all successfully authenticated users.</p>
</summary>
<seealso><directive module="mod_authz_core">Require</directive></seealso>

<section id="requiredirectives"><title>The Require Directives</title>

    <p>Apache's <directive module="mod_authz_core">Require</directive>
    directives are used during the authorization phase to ensure that
    a user is allowed to access a resource.  mod_authz_user extends the
    authorization types with <code>user</code> and <code>valid-user</code>.
    </p>

    <p>Since v2.4.8, <a href="../expr.html">expressions</a> are supported
    within the user require directives.</p>

<section id="requser"><title>Require user</title>

    <p>This directive specifies a list of users that are allowed to gain
    access.</p>

    <highlight language="config">
      Require user john paul george ringo
    </highlight>

</section>

<section id="reqvaliduser"><title>Require valid-user</title>

    <p>When this directive is specified, any successfully authenticated
    user will be allowed to gain access.</p>

    <highlight language="config">
      Require valid-user
    </highlight>

</section>

</section>

</modulesynopsis>