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Squid Proxy Server 3.1: Beginner's Guide

You're reading from   Squid Proxy Server 3.1: Beginner's Guide Reduce bandwidth use and deliver your most frequently requested web pages more quickly with Squid Proxy Server. This guide will introduce you to the fundamentals of the caching system and help you get the most from Squid.

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Product type Paperback
Published in Feb 2011
Publisher Packt
ISBN-13 9781849513906
Length 332 pages
Edition 1st Edition
Languages
Concepts
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Table of Contents (20) Chapters Close

Squid Proxy Server 3.1 Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Getting Started with Squid 2. Configuring Squid FREE CHAPTER 3. Running Squid 4. Getting Started with Squid's Powerful ACLs and Access Rules 5. Understanding Log Files and Log Formats 6. Managing Squid and Monitoring Traffic 7. Protecting your Squid Proxy Server with Authentication 8. Building a Hierarchy of Squid Caches 9. Squid in Reverse Proxy Mode 10. Squid in Intercept Mode 11. Writing URL Redirectors and Rewriters 12. Troubleshooting Squid Pop Quiz Answers Index

Time for action – enabling HTTP server log emulation


By default, Squid will generate a native log, which contains more information than the logs generated with the HTTP log emulation on. We can use the following line in our configuration line:

access_log daemon:/opt/squid/var/logs/access.log common

This configuration will log messages in a web server-like format. Let's have a look at a few log messages in the HTTP server-like log format:

127.0.0.1 - - [13/Sep/2010:17:38:57 +0530] "GET http://www.google.com/ HTTP/1.1" 200 6637 TCP_MISS:FIRSTUP_PARENT

127.0.0.1 - - [13/Sep/2010:17:40:11 +0530] "GET http://example.com/ HTTP/1.1" 200 1147 TCP_HIT:HIER_NONE

127.0.0.1 - - [13/Sep/2010:17:40:12 +0530] "GET http://example.com/favicon.ico HTTP/1.1" 404 717 TCP_MISS:FIRSTUP_PARENT

These log messages are similar to log messages generated by the famous open source web server Apache and many others.

What just happened?

We learned to switch on the HTTP server-like log emulation of Squid access logs. Squid...

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