May 2001
Intermediate to advanced
528 pages
12h 59m
English
Content preview from Cisco® Secure Internet Security SolutionsBecome 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 and TACACS+
The Cisco Secure ACS supports two remote access protocols, the RADIUS protocol and the TACACS+ protocol. TACACS has three variations, all of which are supported by Cisco IOS:
TACACS— TACACS is the original protocol that Cisco developed in response to RADIUS. It is incompatible with TACACS+ and has a lot of its own commands that are supported on Cisco IOS. It provides password checking, authentication, and basic accounting functions.
Extended TACACS (XTACACS)— XTACACS is an extension to the original TACACS protocol. This adds functionality to the TACACS protocol by introducing features such as more complex authentication and accounting methods.
TACACS+— TACACS+ is the most recent of the TACACS protocols. This protocol is not compatible ...
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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.