February 2011
Intermediate to advanced
332 pages
9h 3m
English
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Time for action – enabling user agent logging
By default, the user agent log is disabled and we can enable it by using the following line in our configuration file:
useragent_log /opt/squid/var/logs/useragent.log
Once we have the user agent log enabled, Squid will start logging the User-Agent HTTP header field from the requests, depending on the availability of the field. Let's see a few lines from an example user agent log:
127.0.0.1 [12/Sep/2010:01:55:33 +0530] "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.6) Gecko/20100625 Firefox/3.6.6 GTB7.1" 127.0.0.1 [12/Sep/2010:01:55:33 +0530] "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.6) Gecko/20100625 Firefox/3.6.6 GTB7.1 GoogleToolbarFF 7.1.20100830 GTBA"
The format of this file is quite simple ...
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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.