April 2004
Intermediate to advanced
864 pages
20h 58m
English
Content preview from CCSP Self-Study: Securing Cisco IOS Networks (SECUR)Become 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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RADIUS Overview
RADIUS is an access server AAA protocol developed by Livingston Enterprises, Inc. (now part of Lucent Technologies). It is a system of distributed security that secures remote access to networks and network services against unauthorized access. RADIUS is composed of three components:
Protocol with a frame format that uses UDP/IP
Server
Client
The server runs on a central computer, typically at the customer's site, while the clients reside in the dial-up access servers and can be distributed throughout the network. Cisco incorporated the RADIUS client into Cisco IOS, starting with Cisco IOS Release 11.1.
Client/Server Model
A router operates as a client of RADIUS. The client is responsible for passing user information to designated ...
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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.