February 2011
Intermediate to advanced
332 pages
9h 3m
English
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Time for action – constructing ACL lists using domain names
Let's construct an ACL to identify requests for pages on www.example.com.
acl example dstdomain www.example.com
The previous ACL element will be able to identify any request for any web page on the domain www.example.com. So, if we try to browse http://www.example.com/ or http://www.example.com/index.html, the URLs will be identified by the ACL example.
However, the problem with this ACL is that it will not be able to identify requests to example.com or some.example.com and so on. So, if we browse to http://example.com/ or http://video.example.com/, our requests will not be identified by the ACL example.
To overcome this problem, we can prefix the domain name with a period or dot (.). A dot ...
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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.