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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Problems with hierarchical caching
When we are a part of a cache hierarchy, we serve the content received from neighbors directly to our clients. So, there is a serious problem if content received from neighbors is not genuine. For example, let's say we are a part of a cache hierarchy and one of our neighbor proxy servers is compromised. In such a scenario, the compromised proxy server can serve any content for the requests we are forwarding. This generally leads to propagation of viruses and worms on a network. Therefore, all our neighbors should be properly secured and up-to-date so that we don't end up compromising our client for the sake of increasing our hit ratio.
We'll essentially be forwarding a lot of our client's requests to our neighbor ...
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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.