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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Access Lists
Chapter 2, “Basic Cisco Router Security,” explored standard and extended access lists. This chapter explores more advanced forms of access lists. The act of creating and removing entries in access lists without administrator intervention is the basis for advanced access lists. Security on a network should be as tight as is reasonable at any given time. Advanced access lists, such as dynamic, reflexive, and Context-based Access Control (CBAC), all change the existing access lists to create openings in real time without changing any configurations. These openings are usually created in response to a request made from the inside (trusted side) of the corporate network. The newly created opening is closed after a period of time with ...
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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.