For more information about Kerberos, refer to the following resources.
The /usr/share/doc/krb5-server-<version-number>/ directory — The Kerberos V5 Installation Guide and the Kerberos V5 System Administrator's Guide in PostScript and HTML formats. The krb5-server package must be installed.
The /usr/share/doc/krb5-workstation-<version-number>/ directory — The Kerberos V5 UNIX User's Guide in PostScript and HTML formats. The krb5-workstation package must be installed.
Kerberos man pages — There are a number of man pages for the various applications and configuration files involved with a Kerberos implementation. The following is a list of some of the more important man pages.
man kerberos — An introduction to the Kerberos system which describes how credentials work and provides recommendations for obtaining and destroying Kerberos tickets. The bottom of the man page references a number of related man pages.
man kinit — Describes how to use this command to obtain and cache a ticket-granting ticket.
man kdestroy — Describes how to use this command to destroy Kerberos credentials.
man klist — Describes how to use this command to list cached Kerberos credentials.
man kadmin — Describes how to use this command to administer the Kerberos V5 database.
man kdb5_util — Describes how to use this command to create and perform low-level administrative functions on the Kerberos V5 database.
man krb5kdc — Describes available command line options for the Kerberos V5 KDC.
man kadmind — Describes available command line options for the Kerberos V5 administration server.
man krb5.conf — Describes the format and options available within the configuration file for the Kerberos V5 library.
man kdc.conf — Describes the format and options available within the configuration file for the Kerberos V5 AS and KDC.
http://web.mit.edu/kerberos/www/ — Kerberos: The Network Authentication Protocol webpage from MIT.
http://www.nrl.navy.mil/CCS/people/kenh/kerberos-faq.html — The Kerberos Frequently Asked Questions (FAQ).
ftp://athena-dist.mit.edu/pub/kerberos/doc/usenix.PS — The PostScript version of Kerberos: An Authentication Service for Open Network Systems by Jennifer G. Steiner, Clifford Neuman, and Jeffrey I. Schiller. This document is the original paper describing Kerberos.
http://web.mit.edu/kerberos/www/dialogue.html — Designing an Authentication System: a Dialogue in Four Scenes originally by Bill Bryant in 1988, modified by Theodore Ts'o in 1997. This document is a conversation between two developers who are thinking through the creation of a Kerberos-style authentication system. The conversational style of the discussion make this a good starting place for people who are completely unfamiliar with Kerberos.
http://www.ornl.gov/~jar/HowToKerb.html — How to Kerberize your site is a good reference for kerberizing a network.
http://www.networkcomputing.com/netdesign/kerb1.html — Kerberos Network Design Manual is a thorough overview of the Kerberos system.