February 2011
Intermediate to advanced
332 pages
9h 3m
English
Content preview from Squid Proxy Server 3.1: Beginner's GuideBecome 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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Time for action – debugging access control
Normally, it's easy to construct ACLs using various ACL types and they will work as expected. However, as our configuration gets bigger, ACLs may get confusing and it'll be hard to point out the exact culprit ACL causing problems such as, access denied messages or allowing access to a denied object. To debug our ACLs in such a situation, we can take advantage of the debug_options directive so that we can see the step-by-step processing of ACLs by Squid. We'll learn to debug our example configuration.
Consider the following access control lines in our configuration file:
acl example dstdomain .example.com acl png urlpath_regex -i \.png$ http_access deny png example http_access allow localhost http_access ...
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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.