- Paperback: 552 pages
- Publisher: Novell Press; 3 edition (September 24, 2005)
- Language: English
- ISBN-10: 0672327716
- ISBN-13: 978-0672327711
- Product Dimensions: 5.9 x 1.2 x 8.9 inches
- Shipping Weight: 1.9 pounds
- Average Customer Review: 39 customer reviews
- Amazon Best Sellers Rank: #1,717,247 in Books (See Top 100 in Books)
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Linux Firewalls (3rd Edition) 3rd Edition
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From the Back Cover
An Internet-connected Linux machine is in a high-risk situation. "Linux Firewalls, Third Edition" details security steps that any sized implementation--from home use to enterprise level--might take to protect itself from potential remote attackers. As with the first two editions, this book is especially useful for its explanations of iptables, packet filtering, and firewall optimization along with some advanced concepts including customizing the Linux kernel to enhance security.The third edition, while distribution neutral, has been updated for the current Linux Kernel and provides code examples for Red Hat, SUSE, and Debian implementations. Don't miss out on the third edition of the critically acclaimed "Linux Firewalls."
About the Author
Steve Suehring is the Linux Security Editor for Linux World Magazine and uses firewalls and firewall technologies on a variety of linux systems.
A renowned firewall architect and consultant, Bob Ziegler has worked for such companies as Nokia, collaborating with a router and access groups. He is well known as the author of the two previous editions of Linux Firewalls (0735709009 and 0735710996). Ziegler operates a firewall resource site, www.linux-firewall-tools/linux to share his design skills and evaluations of tools.
Top customer reviews
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I still keep Linux Firewalls on my bookshelf. It's a little dated and does not include coverage of firewalld and newer items, but the basics of iptables remain and this is still handy when I'm adjusting my firewalls for a new application, etc. Still useful after all these years...
The original review is below:
I use this book as a reference and that is how it appears to be written. It's the sort of book I want to have on my shelf so it's there when I need it. Once my firewalling is setup I'm not futzing with it, so that knowledge goes out of my head; not like I'm configuring them every day. As a reference I find it'e well organized and provides quick access to the information I need, The coverage of iptables helps me get the firewalling task at hand done and to refresh my memory of iptables in's and out's. .
I've had this book for years. It got me started with linux firewalls, and it's still helpful when I have to dredge up that skill set even quite a while since I last used it.
I'm sure a lot of the content in this book is available online and some of that will certainly be newer or have some more info. But I like having one place to go for what I need when I need it.
This book has helped me to truly begin to understand how iptables works. I have previously used a Shorewall interface for working on a firewall, but I found that things were just a step or two too abstract for my liking. Linux Firewalls gave me a good (not excessive!) helping of background/theory, and then started showing me actual firewall scripts, interspersed with explanations for almost every command issued.
The book is not for a complete Linux/networking novice. It really does not help you if you don't already know how to do important administrative tasks like assure that the firewall script is executed at the proper time, or know how to fill in the blanks of things that are not strictly Firewall related. That's what I liked about this book, personally: It did not explain to me what a Shell was, or take 50 pages to describe the OSI model (yet again!), and it does not lecture too much on what is or is not the proper way to do things. It just shows you how to do various things, and gives you the information you need to be able to go from there.
Also, the book never gave me a front to back picture of how packets flow through the firewall and are routed and filtered and in what order everything happens. I ended up resorting to the LINUX HOWTO documentation, which gave me more of what I was looking for.
If you already know something about networking and Linux, I'd recommend reading the LINUX HOWTO documentation and if you're hungry for a professional-level firewall book, pick up "Building Internet Firewalls (2nd Edition)" from O'Reilly.
It covers more than just iptables so you can use it to learn/teach networking (TCP/IP,OSI,etc)
About the book. From the very basic concepts to advanced but clear firewall setup, this book leads you to create a system that will optimally fit your needs. Very impressed. My system implements lots of recommendations from this book. Thanks to authors, thanks to Amazon!
Most recent customer reviews
Overall, the book is excellent. It has a nice balance between explaining concepts and giving actual firewall...Read more