March 4, 2004
"Squid: The Definitive Guide": Web Caching with Squid to Get the Most from Your Internet Connection
Sebastopol, CA--The giant squid is an intriguing creature. Cousin to
mussels, snails, and octopi, it is the largest spineless animal in the
world and sports the largest eye of any living creature (as big around as
a dinner plate). It is also an highly intelligent and alert predator,
accelerating relentlessly after its prey by means of water-jet propulsion.
Although the popular web caching software Squid was not named for this
interesting cephalopod (rather, the code name it was given during its
development simply stuck), its intelligent design, speed, and flexibility
suggest that it has plenty in common with its namesake. Scientists know
little about the deep-sea squid, as it has never been studied live in its
natural habitat. Likewise, network and system admins have found
information about the web-caching Squid equally elusive. Until now.
Squid: The Definitive Guide (O'Reilly, US $44.95) by Squid creator Duane
Wessels, draws together complete details on installing, configuring, and
running Squid in one accessible volume.
The most popular web caching software in use today, Squid works on a
variety of platforms, including Linux, FreeBSD, and Microsoft Windows.
There are numerous arguments for web caching with Squid: it improves
network performance by reducing the amount of bandwidth used when surfing
the web and makes web pages load faster. It can even reduce the load on
your web server. As Wessels explains, "By caching and reusing popular web
content, Squid allows you to get by with smaller network connections. It
also protects the hosts on your internal network by acting as a firewall
and proxying your internal web traffic. You can use Squid to collect
statistics about the traffic on your network, prevent users from visiting
inappropriate web sites at work or school, ensure that only authorized
users can surf the Internet, and enhance your privacy by filtering
sensitive information from web requests."
Squid: The Definitive Guide will help readers configure and fine-tune
Squid for their particular situation. Newcomers to Squid will learn how
to download, compile, and install code. Seasoned users of Squid will be
interested in the chapters that tackle advanced topics such as
high-performance storage options, rewriting requests, HTTP server
acceleration, monitoring, debugging, and troubleshooting Squid.
A comprehensive guide to all aspects of web caching with Squid, the book
covers the following topics in detail:
Compiling and installing Squid
Using Squid's sophisticated access controls
Tuning disk storage for optimal performance
Configuring your operating system for HTTP interception
Forwarding requests to other web caches
Using redirectors to rewrite user requests
Monitoring Squid with the cache manager and SNMP
Using Squid to accelerate and protect HTTP servers
Managing bandwidth consumption with Delay Pools
Considered long overdue by network and sys admins, Squid: The Definitive
Guide provides much-needed help to those tasked with setting up and
maintaining one or more Squid caches. Squid novices and veterans alike
will appreciate the wealth of valuable information gathered into this book.
Squid: The Definitive Guide
ISBN 0-596-00162-2, 441 pages, $44.95 US, $65.95 CA
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