For more information on Kerberos, refer to the following resources.
17.7.1. Installed Documentation
/usr/share/doc/krb5-server-<version-number>
— The Kerberos V5 Installation Guide
and the Kerberos V5 System Administrator's
Guide in PostScript and HTML formats. You must have
the krb5-server package installed.
/usr/share/doc/krb5-workstation-<version-number>
— The Kerberos V5 UNIX User's Guide
in PostScript and HTML formats. You must have the
krb5-workstation package installed.
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.