Kerberos Server Version 3.12 Administrator's Guide

Overview
Authentication Process
Chapter 126
Figure 1-1 illustrates the actions of the components and the Kerberos
protocol in a secured environment.
Figure 1-1 Authentication Process
The following is a description of how a client and server authenticate
each other using Kerberos:
Step 1. Send a request for a ticket to the TGS that you want to access. You can
choose to request specific ticket flags and specify the key type to be used
to construct the secret key. You can also accept the default values
configured for the client.
Send the following information to the Authentication Service (AS) to
obtain credentials:
• Client-indicates the user name, also referred to as the principal
name