Glossary: Monitoring Tools and the Identity Life Cycle
Kerberos
The ticket-based protocol (RFC 4120, port 88) that gives single sign-on inside a Windows domain without the password ever being sent to servers. Because tickets carry timestamps, clocks must agree, within 5 minutes by default.
Where the book teaches it
Related terms
KDC (key distribution center)TGT (ticket-granting ticket)Service ticketNTP (Network Time Protocol)Kerberoasting