September 2011
Beginner to intermediate
344 pages
8h 6m
English
Content preview from FreeRADIUS Beginner's GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 4. Authentication
This chapter zooms in on authentication. Authorization and accounting will follow later in the book.
Authentication is a process where we establish if someone is who he or she claims to be. The most common way is by a unique username and password.
In this chapter we shall:
- Discuss PAP, CHAP, and MS-CHAP authentication protocols
- See when and how authentication is done in FreeRADIUS
- Explore ways to store passwords
- Look at other authentication methods
So let's get on with it...
Authentication protocols
This section will give you background on three common authentication protocols. These protocols involve the supply of a username and password.
The radtest program uses the Password Authentication Protocol (PAP) by default when testing ...
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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.