Kerberos White Paper

Executive Summary	2
Problem Statement	2
Historical Evolution of Kerberos	3
Why Kerberos?	3
Kerberos Basics	3
How Kerberos Works	4
Authentication Process	4
Kerberos Products on HP-UX	6
PAM Kerberos (PAM-Kerberos)	6
Kerberos Client (KRB5-Client) Software	7
HP Kerberos Server Version 3.1	7
Introduction to LDAP	8
Kerberos Server on HP-UX with Native Back End	8
Kerberos Server on HP-UX with LDAP Back End	8
Benefits of an LDAP Back End	8
Integrating the Kerberos Principal into the LDAP Directory	8
Generic Security Service Application Programming Interface (GSS-API)	9
Secure Internet Services (SIS)	10
ftp	10
rcp	10
rlogin/rsh	10
telnet	10
Common Internet File System (CIFS)	10
Secure Shell	10
Compatibility/Interoperability	11
Summary	11
References	11
Glossary	12