Paperback: 248 pages
Publisher: No Starch Press; 3 edition (October 18, 2014)
Product Dimensions: 6.6 x 0.6 x 9.7 inches
Shipping Weight: 1 pounds (View shipping rates and policies)
Average Customer Review: 4.8 out of 5 stars See all reviews (10 customer reviews)
Best Sellers Rank: #110,302 in Books (See Top 100 in Books) #3 in Books > Computers & Technology > Operating Systems > BSD #27 in Books > Computers & Technology > Networking & Cloud Computing > Networks, Protocols & APIs > LAN #104 in Books > Computers & Technology > Networking & Cloud Computing > Network Security
Third edition, huh? So how does this stack up?Let’s get the obvious out of the way. All three editions have yellow covers, but the first edition had blue trim; the second edition, pumpkin; the third, a kind of fern green.Once you open the cover, you find that the third edition works much like the earlier editions, starting with a simple packet filter setup and building upon it. Building upon success is perhaps the best education technique, and it fits the topic quite well.Structurally, BoPF3 is very similar to the earlier editions. CARP and redundancy now gets its own chapter, which is a welcome addition.The real meat of this book is in the examples, tutorials, and explanations. PF has changed since the second edition, notably with more flexible traffic management and some syntax changes. Not all BSDs have remained synchronized with OpenBSD’s PF, so he has the unenviable job of documenting the differences between OpenBSD, NetBSD, and FreeBSD. He’s done an excellent job of this by combining information where appropriate, but breaking out some topics by operating system. For example, if a topic needs a sysctl, he lists them for each operating system. When a topic requires more in-depth explanation, such as traffic prioritization, he breaks out OpenBSD’s new priority system into one section and FreeBSD/NetBSD’s older altq prioritization scheme in another. This makes it very easy to find what you’re looking for. This book teaches you how to use PF to filter packets just as well as a million dollar appliance, with more insight and control.One impressive thing is that this book is very clear.
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