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Book of Pf: A No-Nonsense Guide to the Openbsd Firewallby Peter N. M. Hansteen
Synopses & Reviews
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:
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.
Book News Annotation:
Intended for readers with an intermediate understanding of TCP/IP networking and some experience as a UNIX administrator, the second edition of this guide presents information on configuring PF, the basic firewall of any OpenBSD operating system. Deliberately written as other than a cut-and-paste tutorial, the volume presents examples that highlight common configuration options and encourages the reader to understand the packet filtering principles involved and write personal configurations that are appropriate for their specific networking needs. Topics discussed include wired and wireless networks, basic configurations, larger or unusual network design, proactive defense, queues, traffic shaping and redundant security, and logging and monitoring. Numerous code examples are provided throughout and access to additional online content is provided. Hansteen is a BSD consultant and system administrator. Annotation ©2011 Book News, Inc., Portland, OR (booknews.com)
A solid understanding of the BSD Packet Filter (PF) subsystem is a necessity for any network administrator working in a BSD environment. This current, no-nonsense guidebook shows how to harness the power of PF to confidently build the high-performance, low-maintenance network one needs.
OpenBSD's stateful packet filter, PF, is the heart of the OpenBSD firewall and a necessity for any admin working in a BSD environment. With a little effort and this book, you'll gain the insight needed to unlock PF's full potential.
This second edition of The Book of PF has been completely updated and revised. Based on Peter N.M. Hansteen's popular PF website and conference tutorials, this no-nonsense guide covers NAT and redirection, wireless networking, spam fighting, failover provisioning, logging, and more. Throughout the book, Hansteen emphasizes the importance of staying in control with a written network specification, keeping rule sets readable using macros, and performing rigid testing when loading new rules.
The Book of PF tackles a broad range of topics that will stimulate your mind and pad your resume, including how to:
The Book of PF is for BSD enthusiasts and network administrators at any skill level. With more and more services placing high demands on bandwidth and an increasingly hostile Internet environment, you can't afford to be without PF expertise.
A solid understanding of OpenBSD's PF subsystem is a necessity for any network administrator working in a *BSD environment. The Book of PF is a current, no-nonsense guidebook to harnessing the power of PF. Its contents include coverage of NAT (network address translation), wireless networking, spam fighting, traffic shaping, failover provisioning, and logging. Written for anyone who has felt lost in PF's manual pages or baffled by its massive feature set, author Peter Hansteen helps readers confidently build the high-performance, low maintenance network they need.
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.
Table of Contents
THE BOOK OF PFFOREWORDPREFACEChapter 1: WHAT PF ISChapter 2: LET'S GET ON WITH ITChapter 3: INTO THE REAL WORLDChapter 4: WIRELESS NETWORKS MADE EASYChapter 5: BIGGER OR TRICKIER NETWORKSChapter 6: TURNING THE TABLES FOR PROACTIVE DEFENSEChapter 7: QUEUES, SHAPING, AND REDUNDANCYChapter 8: LOGGING, MONITORING, AND STATISTICSChapter 9: GETTING YOUR SETUP JUST RIGHTRESOURCESA NOTE ON HARDWARE SUPPORTCOLOPHON
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