How to Kerberize your Site:Excellent tutorial on implementation. Contains detailed steps to follow for a successful installation, as well as answers to common questions.
Kerberos: The Network Authentication Protocol:Reference distribution and official documentation for Kerberos. Software is subject to US export control. (MIT)
CERT Advisory: Buffer Overflow in Kerberos Administration Daemon: "Multiple Kerberos distributions contain a remotely exploitable buffer overflow in the Kerberos administration daemon. A remote attacker could exploit this vulnerability to gain root privileges on a vulnerable system."
Cybersafe Ltd: Provides products for database security, web security, and security infrastructure based on the Kerberos protocol, and also provides Kerberos consulting and support.
GNU Shishi: Freely available implementation of Kerberos 5. Includes system documentation and downloads.
Heimdal: An international free implementation. Includes downloads, distribution information and mailing list contacts.
Kerberos FAQ: Answers to frequently asked questions.
Kerberos Infrastructure HowTo: A step-by-step description of the design and configuration of a GNU/Linux Kerberos infrastructure.
Kerberos Network Authentication Service: A resource site with documentation, papers and software distributions. Software may be subject to US export control.
Kerberos Reference Page: An index of related resources. Includes software distributions and patches, as well as user documentation.
Kerberos: An Authentication Service for Computer Networks: A technical paper documenting the system and standard. Includes diagrams and references.
Notes on Integrating Windows, RedHat, and HPUX Using Kerberos: Brief tutorial on configuring *nix systems to authenticate off a Microsoft Active Directory server.
RFC 1510: An overview and specification of the official internet protocol.