November 2004
Intermediate to advanced
448 pages
13h 56m
English
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Kerberos
Kerberos is an Internet-standard authentication protocol originally developed at the Massachusetts Institute of Technology (MIT). Kerberos was specifically designed to correct the shortcomings of many older authentication protocols, including Microsoft’s LM and a variety of then-popular authentication protocols unique to the Unix platform.
A Brief History of Kerberos
Kerberos is currently in its fifth version and is defined in the Internet Engineering Task Force’s (IETF) Request For Comments (RFC) 1510. You can access any of the IETF’s RFCs online at http://www.ietf.org. Kerberos is the Greek name for the mythological three-headed dog that guards the gates of Hades. The three heads of the mythical Kerberos correspond to the three basic roles in the Kerberos protocol: client, server, and Key Distribution Center (KDC).
How Kerberos Works
RFC 1510 describes in detail how the standard Kerberos protocol works. A number of MIT-standard implementations of Kerberos are available for various flavors of Unix; Microsoft closely adhered to the RFC standard when implementing Kerberos in Windows 2000 and Windows Server 2003.
Kerberos operational theory
To achieve its goals, Kerberos is a fairly complex protocol, involving several layers of encryption. Kerberos relies heavily upon shared secret authentication, which you learned about in Chapter 2. In the next few sections, I’ll walk you through the process Kerberos uses to initially authenticate a user, allow a user to access resources, and ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.