As many vendors have their own implementation of Kerberos, configuration details for each implementation is likely to vary. Here are some links that may help those troubleshooting Kerberos on commonly used paltforms.
- RFC Kerberos - http://www.faqs.org/rfcs/rfc1510.html
- Kerberos Blogs by AD support team at Microsoft - http://blogs.technet.com/b/askds/archive/tags/Kerberos/
- Kerberos blogs by Open Specification team at Microsoft - http://blogs.msdn.com/b/openspecification/archive/tags/Kerberos/
- Ubuntu Linux post on Kerberos - https://help.ubuntu.com/community/Kerberos