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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Other configuration directives
Squid has hundreds of configuration directives to control it in various ways. It's not possible to discuss all of them here, we'll try to cover the important ones.
Setting the effective user for running Squid
Although we generally start the Squid server as root, it never runs with the privileges of the root user. Right after starting, Squid changes its real UID (User ID)/GID (Group ID) to the user determined by the directive
cache_effective_user. By default, it is set to nobody. We can create a separate user for running Squid and set the value of this directive accordingly. For example, on some operating systems, Squid is run as squid user. The corresponding configuration line will be as follows:
cache_effective_user ...
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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.