109 lines
8.1 KiB
HTML
109 lines
8.1 KiB
HTML
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<title>Network authentication service</title>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Network authentication service</h1>
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<div><p>Network authentication service allows the iSeries™ server and several iSeries services,
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such as iSeries eServer™ Access
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for Windows<sup>®</sup>,
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to use a Kerberos ticket as an optional replacement for a user name and password
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for authentication.</p>
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<div class="p">The Kerberos protocol, developed by Massachusetts Institute of Technology,
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allows a principal (a user or service) to prove its identity to another service
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within an unsecure network. Authentication of principals is completed through
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a centralized server called a Kerberos server or key distribution center (KDC). <div class="note"><span class="notetitle">Note:</span> Throughout
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this documentation the generic term <span class="q">"Kerberos server"</span> is used.</div>
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</div>
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<p>A user authenticates with a principal and a password that is stored in
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the Kerberos server. Once a principal is authenticated, the Kerberos server
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issues a ticket-granting ticket (TGT) to the user. When a user needs access
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to an application or service on the network, the Kerberos client application
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on the user's PC sends the TGT back to the Kerberos server to obtain a service
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ticket for the target service or application. The Kerberos client application
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then sends the service ticket to the service or application for authentication.
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Once the service or application accepts the ticket a security context is established
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and the user's application can then exchange data with a target service. Applications
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can authenticate a user and securely forward his or her identity to other
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services on the network. Once a user is known, separate functions are needed
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to verify the user's authorization to use the network resources.</p>
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<p>Network authentication service implements the following specifications:</p>
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<ul><li>Kerberos Version 5 protocol Request for Comment (RFC) 1510</li>
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<li>Many of the de facto standard Kerberos protocol application programming
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interfaces (APIs) prevalent in the industry today</li>
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<li>Generic Security Service (GSS) APIs as defined by RFCs 1509, 1964, and
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2743</li>
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</ul>
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<p>i5/OS™ implementation
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of network authentication service operates with authentication, delegation,
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and data confidentiality services compliant with these RFCs and Microsoft's Windows 2000
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Security Service Provider Interface (SSPI) APIs. Microsoft<sup>®</sup> Windows Active Directory uses Kerberos
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as its default security mechanism. When users are added to Microsoft Windows Active
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Directory, their Windows identification is equivalent to a Kerberos
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principal. Network authentication service provides for interoperability with Microsoft Windows Active
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Directory and its implementation of the Kerberos protocol.</p>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzakhwhatnew.htm">What's new for V5R4</a></strong><br />
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This topic highlights changes to network authentication service for V5R4.</li>
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<li class="ulchildlink"><strong><a href="rzakhprt.htm">Printable PDF</a></strong><br />
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Use this to view and print a PDF of this information.</li>
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<li class="ulchildlink"><strong><a href="rzakhconcept.htm">Concepts</a></strong><br />
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Network authentication service supports Kerberos protocols and Generic Security Service (GSS) APIs that provide user authentication in a network.</li>
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<li class="ulchildlink"><strong><a href="rzakhscen.htm">Scenarios</a></strong><br />
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Use these scenarios to learn about network authentication service.</li>
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<li class="ulchildlink"><strong><a href="rzakhplan.htm">Plan network authentication service</a></strong><br />
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Before implementing network authentication service or a Kerberos solution on your network it is essential to complete the necessary planning tasks.</li>
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<li class="ulchildlink"><strong><a href="rzakhconfigparent.htm">Configure network authentication service</a></strong><br />
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Network authentication service allows the iSeries server to participate in an existing
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Kerberos network. As such, network authentication service assumes you have
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a Kerberos server configured on a secure system in your network.</li>
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<li class="ulchildlink"><strong><a href="rzakhmanage.htm">Manage network authentication service</a></strong><br />
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Manage network authentication service by requesting tickets, working with key table files, and administering host name resolution. You can also work with credentials files and back up configuration files.</li>
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<li class="ulchildlink"><strong><a href="rzakhtrouble.htm">Troubleshoot</a></strong><br />
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This section provides links to troubleshooting information about common problems for network authentication service, Enterprise Identity Mapping (EIM), and IBM-supplied applications that support Kerberos authentication.</li>
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<li class="ulchildlink"><strong><a href="rzakhnascommands.htm">Network authentication service commands</a></strong><br />
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Use these commands to configure and use network authentication service.</li>
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<li class="ulchildlink"><strong><a href="rzakhwrelated.htm">Related information for network authentication service</a></strong><br />
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Listed below are several related Information Center topics as well as external web sites that relate to network authentication service.</li>
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<li class="ulchildlink"><strong><a href="rzakhlegal.htm">Special terms and conditions</a></strong><br />
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This information contains special terms, conditions, and trademarks applicable to network authentication service.</li>
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</ul>
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