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diff --git a/rubbos/app/apache2/manual/mod/mod_auth_ldap.html.en b/rubbos/app/apache2/manual/mod/mod_auth_ldap.html.en new file mode 100644 index 00000000..6c99dcc4 --- /dev/null +++ b/rubbos/app/apache2/manual/mod/mod_auth_ldap.html.en @@ -0,0 +1,891 @@ +<?xml version="1.0" encoding="ISO-8859-1"?> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> +<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head><!-- + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + This file is generated from xml source: DO NOT EDIT + XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + --> +<title>mod_auth_ldap - Apache HTTP Server</title> +<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> +<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> +<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /> +<link href="../images/favicon.ico" rel="shortcut icon" /></head> +<body> +<div id="page-header"> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="apache">Apache HTTP Server Version 2.0</p> +<img alt="" src="../images/feather.gif" /></div> +<div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> +<div id="path"> +<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 2.0</a> > <a href="./">Modules</a></div> +<div id="page-content"> +<div id="preamble"><h1>Apache Module mod_auth_ldap</h1> +<div class="toplang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_auth_ldap.html" title="English"> en </a></p> +</div> +<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Allows an LDAP directory to be used to store the database +for HTTP Basic authentication.</td></tr> +<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Experimental</td></tr> +<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>auth_ldap_module</td></tr> +<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_auth_ldap.c</td></tr> +<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.0.41 and later</td></tr></table> +<h3>Summary</h3> + + <p><code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> supports the following features:</p> + + <ul> + <li>Known to support the <a href="http://www.openldap.org/">OpenLDAP SDK</a> (both 1.x + and 2.x), <a href="http://developer.novell.com/ndk/cldap.htm"> + Novell LDAP SDK</a> and the <a href="http://www.iplanet.com/downloads/developer/">iPlanet + (Netscape)</a> SDK.</li> + + <li>Complex authorization policies can be implemented by + representing the policy with LDAP filters.</li> + + <li>Support for Microsoft FrontPage allows FrontPage users to + control access to their webs, while retaining LDAP for user + authentication.</li> + + <li>Uses extensive caching of LDAP operations via <a href="mod_ldap.html">mod_ldap</a>.</li> + + <li>Support for LDAP over SSL (requires the Netscape SDK) or + TLS (requires the OpenLDAP 2.x SDK or Novell LDAP SDK).</li> + </ul> +</div> +<div id="quickview"><h3 class="directives">Directives</h3> +<ul id="toc"> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapauthoritative">AuthLDAPAuthoritative</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapbinddn">AuthLDAPBindDN</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapbindpassword">AuthLDAPBindPassword</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapcharsetconfig">AuthLDAPCharsetConfig</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapcomparednonserver">AuthLDAPCompareDNOnServer</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapdereferencealiases">AuthLDAPDereferenceAliases</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapenabled">AuthLDAPEnabled</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapfrontpagehack">AuthLDAPFrontPageHack</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapgroupattribute">AuthLDAPGroupAttribute</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapgroupattributeisdn">AuthLDAPGroupAttributeIsDN</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapremoteuserisdn">AuthLDAPRemoteUserIsDN</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#authldapurl">AuthLDAPUrl</a></li> +</ul> +<h3>Topics</h3> +<ul id="topics"> +<li><img alt="" src="../images/down.gif" /> <a href="#contents">Contents</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#operation">Operation</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#requiredirectives">The Require Directives</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#examples">Examples</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#usingtls">Using TLS</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#usingssl">Using SSL</a></li> +<li><img alt="" src="../images/down.gif" /> <a href="#frontpage">Using Microsoft + FrontPage with mod_auth_ldap</a></li> +</ul><h3>See also</h3> +<ul class="seealso"> +<li><code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code></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="contents" id="contents">Contents</a></h2> + + <ul> + <li> + <a href="#operation">Operation</a> + + <ul> + <li><a href="#authenphase">The Authentication + Phase</a></li> + + <li><a href="#authorphase">The Authorization + Phase</a></li> + </ul> + </li> + + <li> + <a href="#requiredirectives">The Require Directives</a> + + <ul> + <li><a href="#reqvaliduser">Require valid-user</a></li> + <li><a href="#requser">Require user</a></li> + <li><a href="#reqgroup">Require group</a></li> + <li><a href="#reqdn">Require dn</a></li> + <li><a href="#reqattribute">Require ldap-attribute</a></li> + </ul> + </li> + + <li><a href="#examples">Examples</a></li> + <li><a href="#usingtls">Using TLS</a></li> + <li><a href="#usingssl">Using SSL</a></li> + + <li> + <a href="#frontpage">Using Microsoft FrontPage with + <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code></a> + + <ul> + <li><a href="#howitworks">How It Works</a></li> + <li><a href="#fpcaveats">Caveats</a></li> + </ul> + </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="operation" id="operation">Operation</a></h2> + + <p>There are two phases in granting access to a user. The first + phase is authentication, in which <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> + verifies that the user's credentials are valid. This also called + the <em>search/bind</em> phase. The second phase is + authorization, in which <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> determines + if the authenticated user is allowed access to the resource in + question. This is also known as the <em>compare</em> + phase.</p> + +<h3><a name="authenphase" id="authenphase">The Authentication + Phase</a></h3> + + <p>During the authentication phase, <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> + searches for an entry in the directory that matches the username + that the HTTP client passes. If a single unique match is found, + then <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> attempts to bind to the + directory server using the DN of the entry plus the password + provided by the HTTP client. Because it does a search, then a + bind, it is often referred to as the search/bind phase. Here are + the steps taken during the search/bind phase.</p> + + <ol> + <li>Generate a search filter by combining the attribute and + filter provided in the <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> directive with + the username passed by the HTTP client.</li> + + <li>Search the directory using the generated filter. If the + search does not return exactly one entry, deny or decline + access.</li> + + <li>Fetch the distinguished name of the entry retrieved from + the search and attempt to bind to the LDAP server using the + DN and the password passed by the HTTP client. If the bind is + unsuccessful, deny or decline access.</li> + </ol> + + <p>The following directives are used during the search/bind + phase</p> + + <table> + + <tr> + <td><code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code></td> + + <td>Specifies the LDAP server, the + base DN, the attribute to use in the search, as well as the + extra search filter to use.</td> + </tr> + + <tr> + <td><code class="directive"><a href="#authldapbinddn">AuthLDAPBindDN</a></code></td> + + <td>An optional DN to bind with + during the search phase.</td> + </tr> + + <tr> + <td><code class="directive"><a href="#authldapbindpassword">AuthLDAPBindPassword</a></code></td> + + <td>An optional password to bind + with during the search phase.</td> + </tr> + </table> + + +<h3><a name="authorphase" id="authorphase">The Authorization + Phase</a></h3> + + <p>During the authorization phase, <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> + attempts to determine if the user is authorized to access the + resource. Many of these checks require + <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> to do a compare operation on the + LDAP server. This is why this phase is often referred to as the + compare phase. <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> accepts the + following <code class="directive"><a href="../mod/core.html#require">Require</a></code> + directives to determine if the credentials are acceptable:</p> + + <ul> + <li>Grant access if there is a <a href="#requser"><code>Require + valid-user</code></a> directive.</li> + + <li>Grant access if there is a <a href="#reqgroup"><code>Require user</code></a> directive, and the + username in the directive matches the username passed by the + client.</li> + + <li>Grant access if there is a <a href="#reqdn"><code>Require + dn</code></a> directive, and the DN in the directive matches + the DN fetched from the LDAP directory.</li> + + <li>Grant access if there is a <a href="#reqgroup"><code>Require group</code></a> directive, and + the DN fetched from the LDAP directory (or the username + passed by the client) occurs in the LDAP group.</li> + + <li>Grant access if there is a <a href="#reqattribute"> + <code>Require ldap-attribute</code></a> + directive, and the attribute fetched from the LDAP directory + matches the given value.</li> + + <li>otherwise, deny or decline access</li> + </ul> + + <p><code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> uses the following directives during the + compare phase:</p> + + <table> + + <tr> + <td><code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> </td> + + <td>The attribute specified in the + URL is used in compare operations for the <code>Require + user</code> operation.</td> + </tr> + + <tr> + <td><code class="directive"><a href="#authldapcomparednonserver">AuthLDAPCompareDNOnServer</a></code></td> + + <td>Determines the behavior of the + <code>Require dn</code> directive.</td> + </tr> + + <tr> + <td><code class="directive"><a href="#authldapgroupattribute">AuthLDAPGroupAttribute</a></code></td> + + <td>Determines the attribute to + use for comparisons in the <code>Require group</code> + directive.</td> + </tr> + + <tr> + <td><code class="directive"><a href="#authldapgroupattributeisdn">AuthLDAPGroupAttributeIsDN</a></code></td> + + <td>Specifies whether to use the + user DN or the username when doing comparisons for the + <code>Require group</code> directive.</td> + </tr> + </table> + +</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="requiredirectives" id="requiredirectives">The Require Directives</a></h2> + + <p>Apache's <code class="directive"><a href="../mod/core.html#require">Require</a></code> + directives are used during the authorization phase to ensure that + a user is allowed to access a resource.</p> + +<h3><a name="reqvaliduser" id="reqvaliduser">Require + valid-user</a></h3> + + <p>If this directive exists, <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> grants + access to any user that has successfully authenticated during the + search/bind phase.</p> + + +<h3><a name="requser" id="requser">Require user</a></h3> + + <p>The <code>Require user</code> directive specifies what + usernames can access the resource. Once + <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> has retrieved a unique DN from the + directory, it does an LDAP compare operation using the username + specified in the <code>Require user</code> to see if that username + is part of the just-fetched LDAP entry. Multiple users can be + granted access by putting multiple usernames on the line, + separated with spaces. If a username has a space in it, then it + must be surrounded with double quotes. Multiple users can also be + granted access by using multiple <code>Require user</code> + directives, with one user per line. For example, with a <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> of + <code>ldap://ldap/o=Airius?cn</code> (i.e., <code>cn</code> is + used for searches), the following Require directives could be used + to restrict access:</p> +<div class="example"><p><code> +Require user "Barbara Jenson"<br /> +Require user "Fred User"<br /> +Require user "Joe Manager"<br /> +</code></p></div> + + <p>Because of the way that <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> handles this + directive, Barbara Jenson could sign on as <em>Barbara + Jenson</em>, <em>Babs Jenson</em> or any other <code>cn</code> that + she has in her LDAP entry. Only the single <code>Require + user</code> line is needed to support all values of the attribute + in the user's entry.</p> + + <p>If the <code>uid</code> attribute was used instead of the + <code>cn</code> attribute in the URL above, the above three lines + could be condensed to</p> +<div class="example"><p><code>Require user bjenson fuser jmanager</code></p></div> + + +<h3><a name="reqgroup" id="reqgroup">Require group</a></h3> + + <p>This directive specifies an LDAP group whose members are + allowed access. It takes the distinguished name of the LDAP + group. Note: Do not surround the group name with quotes. + For example, assume that the following entry existed in + the LDAP directory:</p> +<div class="example"><p><code> +dn: cn=Administrators, o=Airius<br /> +objectClass: groupOfUniqueNames<br /> +uniqueMember: cn=Barbara Jenson, o=Airius<br /> +uniqueMember: cn=Fred User, o=Airius<br /> +</code></p></div> + + <p>The following directive would grant access to both Fred and + Barbara:</p> +<div class="example"><p><code>Require group cn=Administrators, o=Airius</code></p></div> + + <p>Behavior of this directive is modified by the <code class="directive"><a href="#authldapgroupattribute">AuthLDAPGroupAttribute</a></code> and + <code class="directive"><a href="#authldapgroupattributeisdn">AuthLDAPGroupAttributeIsDN</a></code> + directives.</p> + + +<h3><a name="reqdn" id="reqdn">Require dn</a></h3> + + <p>The <code>Require dn</code> directive allows the administrator + to grant access based on distinguished names. It specifies a DN + that must match for access to be granted. If the distinguished + name that was retrieved from the directory server matches the + distinguished name in the <code>Require dn</code>, then + authorization is granted. Note: do not surround the distinguished + name with quotes.</p> + + <p>The following directive would grant access to a specific + DN:</p> +<div class="example"><p><code>Require dn cn=Barbara Jenson, o=Airius</code></p></div> + + <p>Behavior of this directive is modified by the <code class="directive"><a href="#authldapcomparednonserver">AuthLDAPCompareDNOnServer</a></code> + directive.</p> + + +<h3><a name="reqattribute" id="reqattribute">Require ldap-attribute</a></h3> + + <p>The <code>Require ldap-attribute</code> directive allows the + administrator to grant access based on attributes of the authenticated + user in the LDAP directory. If the attribute in the directory + matches the value given in the configuration, access is granted.</p> + + <p>The following directive would grant access to anyone with + the attribute employeeType = active</p> + + <div class="example"><p><code>Require ldap-attribute employeeType=active</code></p></div> + + <p>Multiple attribute/value pairs can be specified on the same line + separated by spaces or they can be specified in multiple + <code>Require ldap-attribute</code> directives. The effect of listing + multiple attribute/values pairs is an OR operation. Access will be + granted if any of the listed attribute values match the value of a + corresponding attribute in the user object. If the value of the + attribute contains a space, only the value must be within double quotes.</p> + + <p>The following directive would grant access to anyone with + the city attribute equal to "San Jose" or status equal to "Active"</p> + + <div class="example"><p><code>Require ldap-attribute city="San Jose" status=active</code></p></div> + + +</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="section"> +<h2><a name="examples" id="examples">Examples</a></h2> + + <ul> + <li> + Grant access to anyone who exists in the LDAP directory, + using their UID for searches. + +<div class="example"><p><code> + AuthLDAPURL "ldap://ldap1.airius.com:389/ou=People, o=Airius?uid?sub?(objectClass=*)"<br /> + Require valid-user +</code></p></div> + </li> + + <li> + The next example is the same as above; but with the fields + that have useful defaults omitted. Also, note the use of a + redundant LDAP server. +<div class="example"><p><code>AuthLDAPURL "ldap://ldap1.airius.com ldap2.airius.com/ou=People, o=Airius"<br /> +Require valid-user +</code></p></div> + </li> + + <li> + The next example is similar to the previous one, but is + 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 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 filter, 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. The text in blue is the part that + is filled in using the attribute specified in the URL. The + text in red is the part that is filled in using the filter + specified in the URL. The text in green is filled in using + the information that is retrieved from the HTTP client. 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#ldaptrustedca">LDAPTrustedCA</a></code> and <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedcatype">LDAPTrustedCAType</a></code>.</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#ldaptrustedca">LDAPTrustedCA</a></code> and <code class="directive"><a href="../mod/mod_ldap.html#ldaptrustedcatype">LDAPTrustedCAType</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_auth_ldap</a></h2> + + <p>Normally, FrontPage uses FrontPage-web-specific user/group + files (i.e., the <code class="module"><a href="../mod/mod_auth.html">mod_auth</a></code> module) 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" +AuthLDAPAuthoritative off +AuthLDAPFrontPageHack on +</pre></div> + + <p><code class="directive"><a href="#authldapauthoritative">AuthLDAPAuthoritative</a></code> must be + off to allow <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_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. If <code class="directive"><a href="#authldapfrontpagehack">AuthLDAPFrontPageHack</a></code> is not + on, 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. The purpose of the hack is to force Apache to consult the + local user file (which is managed by FrontPage) - instead of LDAP + - when handling the <code>Require valid-user</code> directive.</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_auth.html">mod_auth</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.html">mod_auth</a></code> in order to + use FrontPage support. This is because Apache will still use + the <code class="module"><a href="../mod/mod_auth.html">mod_auth</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_auth_ldap.html">mod_auth_ldap</a></code> has to be able to grab + the <code class="directive"><a href="../mod/mod_auth.html#authuserfile">AuthUserFile</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_auth_ldap.html">mod_auth_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_auth_ldap.html">mod_auth_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="AuthLDAPAuthoritative" id="AuthLDAPAuthoritative">AuthLDAPAuthoritative</a> <a name="authldapauthoritative" id="authldapauthoritative">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Prevent other authentication modules from +authenticating the user if this one fails</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPAuthoritative on|off</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPAuthoritative 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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>Set to <code>off</code> if this module should let other + authentication modules attempt to authenticate the user, should + authentication with this module fail. Control is only passed on + to lower modules if there is no DN or rule that matches the + supplied user name (as passed by the client).</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="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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_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_auth_ldap.html">mod_auth_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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_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> +<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> +<div class="directive-section"><h2><a name="AuthLDAPCompareDNOnServer" id="AuthLDAPCompareDNOnServer">AuthLDAPCompareDNOnServer</a> <a name="authldapcomparednonserver" id="authldapcomparednonserver">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the LDAP server to compare the DNs</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPCompareDNOnServer on|off</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPCompareDNOnServer 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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>When set, <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> will use the LDAP + server to compare the DNs. This is the only foolproof way to + compare DNs. <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> will search the + directory for the DN specified with the <a href="#reqdn"><code>Require dn</code></a> directive, then, + retrieve the DN and compare it with the DN retrieved from the user + entry. If this directive is not set, + <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> simply does a string comparison. It + is possible to get false negatives with this approach, but it is + much faster. Note the <code class="module"><a href="../mod/mod_ldap.html">mod_ldap</a></code> cache can speed up + DN comparison in most situations.</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="AuthLDAPDereferenceAliases" id="AuthLDAPDereferenceAliases">AuthLDAPDereferenceAliases</a> <a name="authldapdereferencealiases" id="authldapdereferencealiases">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>When will the module de-reference aliases</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPDereferenceAliases never|searching|finding|always</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPDereferenceAliases Always</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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>This directive specifies when <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> will + de-reference aliases during LDAP operations. The default is + <code>always</code>.</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="AuthLDAPEnabled" id="AuthLDAPEnabled">AuthLDAPEnabled</a> <a name="authldapenabled" id="authldapenabled">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Turn on or off LDAP authentication</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code> AuthLDAPEnabled on|off</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPEnabled 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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>Set to <code>off</code> to disable + <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> in certain directories. This is + useful if you have <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> enabled at or + near the top of your tree, but want to disable it completely in + certain locations.</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="AuthLDAPFrontPageHack" id="AuthLDAPFrontPageHack">AuthLDAPFrontPageHack</a> <a name="authldapfrontpagehack" id="authldapfrontpagehack">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Allow LDAP authentication to work with MS FrontPage</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPFrontPageHack on|off</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPFrontPageHack 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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>See the section on <a href="#frontpage">using Microsoft + FrontPage</a> with <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code>.</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="AuthLDAPGroupAttribute" id="AuthLDAPGroupAttribute">AuthLDAPGroupAttribute</a> <a name="authldapgroupattribute" id="authldapgroupattribute">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>LDAP attributes used to check for group membership</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPGroupAttribute <em>attribute</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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>This directive specifies which LDAP attributes are used to + check for group membership. Multiple attributes can be used by + specifying this directive multiple times. If not specified, + then <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> uses the <code>member</code> and + <code>uniquemember</code> attributes.</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="AuthLDAPGroupAttributeIsDN" id="AuthLDAPGroupAttributeIsDN">AuthLDAPGroupAttributeIsDN</a> <a name="authldapgroupattributeisdn" id="authldapgroupattributeisdn">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the DN of the client username when checking for +group membership</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPGroupAttributeIsDN on|off</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPGroupAttributeIsDN 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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>When set <code>on</code>, this directive says to use the + distinguished name of the client username when checking for group + membership. Otherwise, the username will be used. For example, + assume that the client sent the username <code>bjenson</code>, + which corresponds to the LDAP DN <code>cn=Babs Jenson, + o=Airius</code>. If this directive is set, + <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> will check if the group has + <code>cn=Babs Jenson, o=Airius</code> as a member. If this + directive is not set, then <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> will + check if the group has <code>bjenson</code> as a member.</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="AuthLDAPRemoteUserIsDN" id="AuthLDAPRemoteUserIsDN">AuthLDAPRemoteUserIsDN</a> <a name="authldapremoteuserisdn" id="authldapremoteuserisdn">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Use the DN of the client username to set the REMOTE_USER +environment variable</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPRemoteUserIsDN on|off</code></td></tr> +<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>AuthLDAPRemoteUserIsDN 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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>If this directive is set to on, the value of the + <code>REMOTE_USER</code> environment variable will be set to the full + distinguished name of the authenticated user, rather than just + the username that was passed by the client. It is turned off by + default.</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="AuthLDAPUrl" id="AuthLDAPUrl">AuthLDAPUrl</a> <a name="authldapurl" id="authldapurl">Directive</a></h2> +<table class="directive"> +<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>URL specifying the LDAP search parameters</td></tr> +<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>AuthLDAPUrl <em>url</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>Experimental</td></tr> +<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_auth_ldap</td></tr> +</table> + <p>An RFC 2255 URL which specifies the LDAP search parameters + to use. The syntax of the URL is</p> +<div class="example"><p><code>ldap://host:port/basedn?attribute?scope?filter</code></p></div> + +<dl> +<dt>ldap</dt> + + <dd>For regular ldap, use the + string <code>ldap</code>. For secure LDAP, use <code>ldaps</code> + instead. Secure LDAP is only available if Apache was linked + to an LDAP library with SSL support.</dd> + +<dt>host:port</dt> + + <dd> + <p>The name/port of the ldap server (defaults to + <code>localhost:389</code> for <code>ldap</code>, and + <code>localhost:636</code> for <code>ldaps</code>). To + specify multiple, redundant LDAP servers, just list all + servers, separated by spaces. <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> + will try connecting to each server in turn, until it makes a + successful connection.</p> + + <p>Once a connection has been made to a server, that + connection remains active for the life of the + <code>httpd</code> process, or until the LDAP server goes + down.</p> + + <p>If the LDAP server goes down and breaks an existing + connection, <code class="module"><a href="../mod/mod_auth_ldap.html">mod_auth_ldap</a></code> will attempt to + re-connect, starting with the primary server, and trying + each redundant server in turn. Note that this is different + than a true round-robin search.</p> + </dd> + +<dt>basedn</dt> + + <dd>The DN of the branch of the + directory where all searches should start from. At the very + least, this must be the top of your directory tree, but + could also specify a subtree in the directory.</dd> + +<dt>attribute</dt> + + <dd>The attribute to search for. + Although RFC 2255 allows a comma-separated list of + attributes, only the first attribute will be used, no + matter how many are provided. If no attributes are + provided, the default is to use <code>uid</code>. It's a good + idea to choose an attribute that will be unique across all + entries in the subtree you will be using.</dd> + +<dt>scope</dt> + + <dd>The scope of the search. Can be either <code>one</code> or + <code>sub</code>. Note that a scope of <code>base</code> is + also supported by RFC 2255, but is not supported by this + module. If the scope is not provided, or if <code>base</code> scope + is specified, the default is to use a scope of + <code>sub</code>.</dd> + +<dt>filter</dt> + + <dd>A valid LDAP search filter. If + not provided, defaults to <code>(objectClass=*)</code>, which + will search for all objects in the tree. Filters are + limited to approximately 8000 characters (the definition of + <code>MAX_STRING_LEN</code> in the Apache source code). This + should be than sufficient for any application.</dd> +</dl> + + <p>When doing searches, the attribute, filter and username passed + by the HTTP client are combined to create a search filter that + looks like + <code>(&(<em>filter</em>)(<em>attribute</em>=<em>username</em>))</code>.</p> + + <p>For example, consider an URL of + <code>ldap://ldap.airius.com/o=Airius?cn?sub?(posixid=*)</code>. When + a client attempts to connect using a username of <code>Babs + Jenson</code>, the resulting search filter will be + <code>(&(posixid=*)(cn=Babs Jenson))</code>.</p> + + <p>See above for examples of <code class="directive"><a href="#authldapurl">AuthLDAPURL</a></code> URLs.</p> + +</div> +</div> +<div class="bottomlang"> +<p><span>Available Languages: </span><a href="../en/mod/mod_auth_ldap.html" title="English"> en </a></p> +</div><div id="footer"> +<p class="apache">Copyright 2009 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div> +</body></html>
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