» Kerberos: The Network Authentication Protocol Reference distribution and official documentation for Kerberos. Software is subject to US export control. (MIT) http://web.mit.edu/kerberos/www/
» 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." http://www.cert.org/advisories/CA-2002-29.html
» Cybersafe Ltd Provides products for database security, web security, and security infrastructure based on the Kerberos protocol, and also provides Kerberos consulting and support. http://www.cybersafe.ltd.uk
» GNU Shishi Freely available implementation of Kerberos 5. Includes system documentation and downloads. http://www.gnu.org/software/shishi/
» Heimdal An international free implementation. Includes downloads, distribution information and mailing list contacts. http://www.pdc.kth.se/heimdal/
» 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. http://www.ornl.gov/~jar/HowToKerb.html
» Kerberos FAQ Answers to frequently asked questions. http://www.cmf.nrl.navy.mil/CCS/people/kenh/kerberos-faq.html
» Kerberos Network Authentication Service A resource site with documentation, papers and software distributions. Software may be subject to US export control. http://gost.isi.edu/info/kerberos/
» Kerberos Reference Page An index of related resources. Includes software distributions and patches, as well as user documentation. http://www.contrib.andrew.cmu.edu/~shadow/kerberos.html
» MIT Kerberos Consortium Created to establish Kerberos as a universal authentication platform for the world's computer networks. Includes news and events, details of sponsors and those involved, and membership information. http://www.kerberos.org/