2008年PF最新手册《The Book of PF 》

最新的PF手册，大家可以下载来看看。
The Book of PF
                        A No-Nonsense Guide to the OpenBSD Firewall
                        by Peter N.M. Hansteen
                        December 2007, 184 pp.
                         ISBN-13 978-1-59327-165-7
                        $29.95
                        $17.95 PDF
                        $35.95 PDF and Paperback
Click here to download Chapter 4:  Wireless Networks Made Easy
                OpenBSD'sstateful packet filter, PF, offers an amazing feature set and supportacross 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 helpedthousands of users build the networks they need using PF. The Book of PFis the product of Hansteen's knowledge and experience, teaching goodpractices as well as bare facts and software options. Throughout thebook, Hansteen emphasizes the importance of staying in control byhaving a written network specification, using macros to make rule setsmore 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 PFcan 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 iscrossing a simple home LAN, hiding behind NAT, traversing DMZs, orspanning 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 networkadmins at any level of expertise. With more and more services placinghigh demands on bandwidth and increasing hostility coming from theInternet at-large, you can never be too skilled with PF.
                                PeterN.M. Hansteen is a consultant, writer, and sysadmin based in Bergen,Norway. A longtime Freenix advocate, Hansteen is a frequent lecturer onFreeBSD and OpenBSD topics. The Book of PF, Hansteen's first book, is an expanded follow-up to his very popular online PF tutorial.(该书作者提供的在线版本，没有这本书讲的详细)

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