February 2011
Intermediate to advanced
332 pages
9h 3m
English
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Time for action – preventing the caching of local content
If we don't want to cache responses for certain requests or clients, we can deny it using this option. The default behavior is to allow all cacheable responses to be cached. As servers in our local area network are close enough that we may not want to waste cache space on our proxy server by caching responses from these servers, we can selectively deny caching for responses from local servers.
acl local_machines dst 192.0.2.0/24 198.51.100.0/24 cache deny local_machines
This code will prevent responses from the servers in the networks 192.0.2.0/24 and 198.51.100.0/24 from being cached by the proxy server.
What just happened?
To optimize the performance (especially the HIT ratio), we have ...
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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.