### Overview of This Guide

The next chapter describes how Kerberos works.

Chapter three describes administration of the principals in the Kerberos database.

Chapter four describes how you can use DNS in configuring your Kerberos realm.

Chapter five describes administrative programs for manipulating the Kerberos database as a whole.

Chapter six describes issues to consider when adding an application server to the database.

Chapter seven describes our problem reporting system.

The appendices include the list of Kerberos error messages, and a complete list of the time zones understood by `kadmin`.