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The Book of PF: A No-Nonsense Guide to the OpenBSD Firewall View Larger Image | Peter N.M. Hansteen
No Starch, Paperback, Published December 2007, 184 pages, ISBN 1593271654 | List Price: $29.95
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OpenBSD's stateful packet filter, PF, offers an amazing feature set and support
across the major BSD platforms. Like most firewall software though, unlocking
PF's full potential takes a good teacher. Peter N.M. Hansteen's PF website and
conference tutorials have helped thousands of users build the networks they
need using PF. The Book of PF is the product of Hansteen's knowledge
and experience, teaching good practices as well as bare facts and software options.
Throughout the book, Hansteen emphasizes the importance of staying in control
by having a written network specification, using macros to make rule sets more
readable, and performing rigid testing when loading in new rules.
Today's system administrators face increasing challenges in the quest for network
quality, and The Book of PF can help by demystifying the tools of modern
*BSD network defense. But, perhaps more importantly, because we know you like
to tinker, The Book of PF tackles a broad range of topics that will stimulate
your mind and pad your resume, including how to:
- Create rule sets for all kinds of network traffic, whether it is crossing
a simple home LAN, hiding behind NAT, traversing DMZs, or spanning bridges
- Use PF to create a wireless access point, and lock it down tight with authpf
and special access restrictions
- Maximize availability by using redirection rules for load balancing and
CARP for failover
- Use tables for proactive defense against would-be attackers and spammers
- Set up queues and traffic shaping with ALTQ, so your network stays responsive
- Master your logs with monitoring and visualization, because you can never
be too paranoid
The Book of PF is written for BSD enthusiasts and network admins at
any level of expertise. With more and more services placing high demands on
bandwidth and increasing hostility coming from the Internet at-large, you can
never be too skilled with PF.
About the Author
Peter N. M. Hansteen is a consultant, writer and sysadmin based in Bergen,
Norway. A longtime Freenix advocate, Hansteen is a frequent lecturer on FreeBSD
and OpenBSD topics. His expertise as a documentation consultant (and humorous
work with the RFC 1149 implementation team) have helped him gain regard in Norwegian
IT publications. The Book of PF, Hansteen's first book, is an expanded follow-up
to his very popular online PF tutorial.
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