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<li>
The next example is similar to the previous one, but it
uses the common name instead of the UID. Note that this
could be problematical if multiple people in the directory
share the same <code>cn</code>, because a search on <code>cn</code>
<strong>must</strong> return exactly one entry. That's why
this approach is not recommended: it's a better idea to
choose an attribute that is guaranteed unique in your
directory, such as <code>uid</code>.
<div class="example"><p><code>
AuthLDAPURL ldap://ldap.airius.com/ou=People, o=Airius?cn<br />
require valid-user
</code></p></div>
</li>
<li>
Grant access to anybody in the Administrators group. The
users must authenticate using their UID.
<div class="example"><p><code>
AuthLDAPURL ldap://ldap.airius.com/o=Airius?uid<br />
require ldap-group cn=Administrators, o=Airius
</code></p></div>
</li>
<li>
The next example assumes that everyone at Airius who
carries an alphanumeric pager will have an LDAP attribute
of <code>qpagePagerID</code>. The example will grant access
only to people (authenticated via their UID) who have
alphanumeric pagers:
<div class="example"><p><code>
AuthLDAPURL ldap://ldap.airius.com/o=Airius?uid??(qpagePagerID=*)<br />
require valid-user
</code></p></div>
</li>
<li>
<p>The next example demonstrates the power of using filters
to accomplish complicated administrative requirements.
Without filters, it would have been necessary to create a
new LDAP group and ensure that the group's members remain
synchronized with the pager users. This becomes trivial
with filters. The goal is to grant access to anyone who has
a pager, plus grant access to Joe Manager, who doesn't
have a pager, but does need to access the same
resource:</p>
<div class="example"><p><code>
AuthLDAPURL ldap://ldap.airius.com/o=Airius?uid??(|(qpagePagerID=*)(uid=jmanager))<br />
require valid-user
</code></p></div>
<p>This last may look confusing at first, so it helps to
evaluate what the search filter will look like based on who
connects, as shown below. If
Fred User connects as <code>fuser</code>, the filter would look
like</p>
<div class="example"><p><code>(&(|(qpagePagerID=*)(uid=jmanager))(uid=fuser))</code></p></div>
<p>The above search will only succeed if <em>fuser</em> has a
pager. When Joe Manager connects as <em>jmanager</em>, the
filter looks like</p>
<div class="example"><p><code>(&(|(qpagePagerID=*)(uid=jmanager))(uid=jmanager))</code></p></div>
<p>The above search will succeed whether <em>jmanager</em>
has a pager or not.</p>
</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="usingtls" id="usingtls">Using TLS</a></h2>
<p>To use TLS, see the <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code> directives <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedclientcert">LDAPTrustedClientCert</a></code>, <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedglobalcert">LDAPTrustedGlobalCert</a></code> and <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedmode">LDAPTrustedMode</a></code>.</p>
<p>An optional second parameter can be added to the
<code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> to override
the default connection type set by <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedmode">LDAPTrustedMode</a></code>.
This will allow the connection established by an <em>ldap://</em> Url
to be upgraded to a secure connection on the same port.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="usingssl" id="usingssl">Using SSL</a></h2>
<p>To use SSL, see the <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code> directives <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedclientcert">LDAPTrustedClientCert</a></code>, <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedglobalcert">LDAPTrustedGlobalCert</a></code> and <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedmode">LDAPTrustedMode</a></code>.</p>
<p>To specify a secure LDAP server, use <em>ldaps://</em> in the
<code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code>
directive, instead of <em>ldap://</em>.</p>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="frontpage" id="frontpage">Using Microsoft
FrontPage with mod_authnz_ldap</a></h2>
<p>Normally, FrontPage uses FrontPage-web-specific user/group
files (i.e., the <code class="module"><a href="../mod/mod_authn_file.html">mod_authn_file</a></code> and
<code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> modules) to handle all
authentication. Unfortunately, it is not possible to just
change to LDAP authentication by adding the proper directives,
because it will break the <em>Permissions</em> forms in
the FrontPage client, which attempt to modify the standard
text-based authorization files.</p>
<p>Once a FrontPage web has been created, adding LDAP
authentication to it is a matter of adding the following
directives to <em>every</em> <code>.htaccess</code> file
that gets created in the web</p>
<div class="example"><pre>
AuthLDAPURL "the url"
AuthzLDAPAuthoritative off
AuthGroupFile <em>mygroupfile</em>
require group <em>mygroupfile</em>
</pre></div>
<p><code class="directive"><a href="#authzldapauthoritative">AuthzLDAPAuthoritative</a></code>
must be off to allow <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> to decline group
authentication so that Apache will fall back to file
authentication for checking group membership. This allows the
FrontPage-managed group file to be used.</p>
<h3><a name="howitworks" id="howitworks">How It Works</a></h3>
<p>FrontPage restricts access to a web by adding the <code>require
valid-user</code> directive to the <code>.htaccess</code>
files. The <code>require valid-user</code> directive will succeed for
any user who is valid <em>as far as LDAP is
concerned</em>. This means that anybody who has an entry in
the LDAP directory is considered a valid user, whereas FrontPage
considers only those people in the local user file to be
valid. By substituting the ldap-group with group file authorization,
Apache is allowed to consult the local user file (which is managed by
FrontPage) - instead of LDAP - when handling authorizing the user.</p>
<p>Once directives have been added as specified above,
FrontPage users will be able to perform all management
operations from the FrontPage client.</p>
<h3><a name="fpcaveats" id="fpcaveats">Caveats</a></h3>
<ul>
<li>When choosing the LDAP URL, the attribute to use for
authentication should be something that will also be valid
for putting into a <code class="module"><a href="../mod/mod_authn_file.html">mod_authn_file</a></code> user file.
The user ID is ideal for this.</li>
<li>When adding users via FrontPage, FrontPage administrators
should choose usernames that already exist in the LDAP
directory (for obvious reasons). Also, the password that the
administrator enters into the form is ignored, since Apache
will actually be authenticating against the password in the
LDAP database, and not against the password in the local user
file. This could cause confusion for web administrators.</li>
<li>Apache must be compiled with <code class="module"><a href="../mod/mod_auth_basic.html">mod_auth_basic</a></code>,
<code class="module"><a href="../mod/mod_authn_file.html">mod_authn_file</a></code> and
<code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> in order to
use FrontPage support. This is because Apache will still use
the <code class="module"><a href="../mod/mod_authz_groupfile.html">mod_authz_groupfile</a></code> group file for determine
the extent of a user's access to the FrontPage web.</li>
<li>The directives must be put in the <code>.htaccess</code>
files. Attempting to put them inside <code class="directive"><a href="../mod/core.html#location"><Location></a></code> or <code class="directive"><a href="../mod/core.html#directory"><Directory></a></code> directives won't work. This
is because <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> has to be able to grab
the <code class="directive"><a href="../mod/mod_authn_file.html#authgroupfile">AuthGroupFile</a></code>
directive that is found in FrontPage <code>.htaccess</code>
files so that it knows where to look for the valid user list. If
the <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> directives aren't in the same
<code>.htaccess</code> file as the FrontPage directives, then
the hack won't work, because <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will
never get a chance to process the <code>.htaccess</code> file,
and won't be able to find the FrontPage-managed user file.</li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="AuthLDAPBindDN" id="AuthLDAPBindDN">AuthLDAPBindDN</a> <a name="authldapbinddn" id="authldapbinddn">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Optional DN to use in binding to the LDAP server</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPBindDN <em>distinguished-name</em></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_authnz_ldap</td></tr>
</table>
<p>An optional DN used to bind to the server when searching for
entries. If not provided, <code class="module"><a href="../mod/mod_authnz_ldap.html">mod_authnz_ldap</a></code> will use
an anonymous bind.</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="AuthLDAPBindPassword" id="AuthLDAPBindPassword">AuthLDAPBindPassword</a> <a name="authldapbindpassword" id="authldapbindpassword">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Password used in conjuction with the bind DN</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPBindPassword <em>password</em></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_authnz_ldap</td></tr>
</table>
<p>A bind password to use in conjunction with the bind DN. Note
that the bind password is probably sensitive data, and should be
properly protected. You should only use the <code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code> and <code class="directive"><a href="#authldapbindpassword">AuthLDAPBindPassword</a></code> if you
absolutely need them to search the directory.</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="AuthLDAPCharsetConfig" id="AuthLDAPCharsetConfig">AuthLDAPCharsetConfig</a> <a name="authldapcharsetconfig" id="authldapcharsetconfig">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Language to charset conversion configuration file</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPCharsetConfig <em>file-path</em></code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</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_authnz_ldap</td></tr>
</table>
<p>The <code class="directive">AuthLDAPCharsetConfig</code> directive sets the location
of the language to charset conversion configuration file. <var>File-path</var> is relative
to the <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code>. This file specifies
the list of language extensions to character sets.
Most administrators use the provided <code>charset.conv</code>
file, which associates common language extensions to character sets.</p>
<p>The file contains lines in the following format:</p>
<div class="example"><p><code>
<var>Language-Extension</var> <var>charset</var> [<var>Language-String</var>] ...
</code></p></div>
<p>The case of the extension does not matter. Blank lines, and lines
beginning with a hash character (<code>#</code>) are ignored.</p>
</div>
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