May 2001
Intermediate to advanced
528 pages
12h 59m
English
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Access Lists
Access lists are created to deny certain packets the ability to traverse a router interface. By default, a router will allow all packets to travel through an interface. The router may not know where to forward a particular packet but will still allow that packet to cross the interface. An access list is a list of packets that is consulted before allowing or disallowing a packet to travel forward toward its ultimate destination.
Although this text assumes that you have at least an understanding of access lists, this section contains a brief review of the basic forms of IP access lists before moving onto the more complex reflexive and context-based access lists. The examples within this chapter will focus on IP access lists. A wide ...
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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.