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 – enabling the referer log
By default, there is no referer log. We can enable the referer log using the access_log directive in combination with a custom log format. To generate the referer log, first of all, we need to create a log format as shown:
logformat referer %ts.%03tu %>a %{Referer}>h %ru This configuration defines a new log format called referer, which contains a request timestamp, IP address of the client, the referer URL, and the request URL. Now, we need to use the access_log directive with the aforementioned constructed log format as shown:
access_log /opt/squid/var/logs/referer.log referer
Now, let's look at a few lines from the referer log file:
1284576601.898 127.0.0.1 http://en.wikipedia.org/wiki/Main_Page http://en.wikiquote.org/wiki/Main_Page ...
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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.
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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.