68 lines
4.5 KiB
HTML
68 lines
4.5 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<title>Directory Server (LDAP) - Kerberos authentication with the Directory Server</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="rzahykerrf"></a>
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<h3 id="rzahykerrf">Kerberos authentication with the Directory Server</h3>
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<p>Directory Server allows you to use Kerberos authentication. Kerberos is a network
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authentication protocol that uses secret key cryptography to provide strong
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authentication to client/server applications.</p>
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<p>To <a href="rzahyekbpi.htm#rzahyekbpi">enable Kerberos authentication</a>, you must
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have the network authentication service configured.</p>
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<p>The Kerberos support of Directory Server provides support for the GSSAPI SASL mechanism.
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This enables both Directory Server and Windows 2000 LDAP clients to use Kerberos
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authentication with the Directory Server.</p>
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<a name="kerprinc"></a>
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<p id="kerprinc">The <span class="bold">Kerberos principal name</span> that the
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server uses has the following form:</p>
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<pre class="xmp">service-name/host-name@realm</pre><tt class="xph">service-name</tt><p class="indatacontent"> is ldap (ldap must be lower case), <tt class="xph">host-name</tt> is
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the fully qualified TCP/IP name of the system, and <tt class="xph">realm</tt> is the
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default realm specified in the systems Kerberos configuration.</p>
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<p>For example, for a system named <tt class="xph">my-as400</tt> in the <tt class="xph">acme.com</tt> TCP/IP domain, with a default Kerberos realm of <tt class="xph">ACME.COM</tt>,
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the LDAP server Kerberos principal name would be <tt class="xph">ldap/my-as400.acme.com@ACME.COM</tt>. The default Kerberos realm is specified in the Kerberos configuration
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file (by default, /QIBM/UserData/OS400/NetworkAuthentication/krb5.conf) with
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the default_realm directive (default_realm = ACME.COM). The directory server
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cannot be configured to use Kerberos authentication if a default realm has
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not been configured.</p>
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<p>When Kerberos authentication is used, the Directory Server associates a
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distinguished name (DN) with the connection that determines access to directory
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data. You can choose to have the server DN associated with one of the following
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methods: </p>
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<ul>
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<li>The server can create a DN based on the Kerberos ID. When you choose this
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option, a Kerberos identity of the form principal@realm generates a DN of
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the form ibm-kn=principal@realm. ibm-kn= is equivalent to ibm-kerberosName=.</li>
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<li>The server can search the directory for a distinguished name (DN) that
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contains an entry for the Kerberos principal and realm. When you choose this
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option, the server searches the directory for an entry that specifies this
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Kerberos identity.</li></ul>
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<p>You must have a key table (keytab) file that contains a key for the LDAP
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service principal. See the Information Center topic <a href="../rzakh/rzakh000.htm">Network authentication
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service</a> under Security for more information about Kerberos on the iSeries server.
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The <a href="../rzakh/rzakhconfig.htm">Configuring network authentication service</a> section
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contains information about adding information to key table files.</p>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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