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Intrusion Detection with Snort Paperback – May 20 2003

4.4 out of 5 stars 14 customer reviews

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Product Details

  • Paperback: 360 pages
  • Publisher: Sams Publishing; 1 edition (May 20 2003)
  • Language: English
  • ISBN-10: 157870281X
  • ISBN-13: 978-1578702817
  • Product Dimensions: 18.3 x 2.3 x 23.1 cm
  • Shipping Weight: 662 g
  • Average Customer Review: 4.4 out of 5 stars 14 customer reviews
  • Amazon Bestsellers Rank: #1,328,308 in Books (See Top 100 in Books)
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Product Description

From the Back Cover

With over 100,000 installations, the Snort open-source network instrusion detection system is combined with other free tools to deliver IDS defense to medium - to small-sized companies, changing the tradition of intrusion detection being affordable only for large companies with large budgets.

Until now, Snort users had to rely on the official guide available on snort.org. That guide is aimed at relatively experience snort administrators and covers thousands of rules and known exploits.

The lack of usable information made using Snort a frustrating experience. The average Snort user needs to learn how to actually get their systems up-and-running.

Snort Intrusion Detection provides readers with practical guidance on how to put Snort to work. Opening with a primer to intrusion detection and Snort, the book takes the reader through planning an installation to building the server and sensor, tuning the system, implementing the system and analyzing traffic, writing rules, upgrading the system, and extending Snort.

About the Author

Jack Koziol is the Information Security Officer at a major Chicago-area financial institution, responsible for security enterprise-wide. Previously, he has held information security positions at an online health care company and a point-of-care Internet-based pharmacy. Jack has written for Information Security magazine, and released several whitepapers on intrusion detection. He teaches the CISSP and "Hack and Defend" courses.

Jack has architected, maintained, and managed Snort and other IDS technologies in large production environments since 1998. He has also written Snort signature sets designed for specific applications.

Customer Reviews

4.4 out of 5 stars
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Top Customer Reviews

Format: Paperback
This is a very handy book, if only because it presents a lot of Snort documentation in a friendly, easy-to-read format. Is every chapter a joyous literary experience? No. But it beats reading manpages and after a few hours of reading from my monitor my eyes sting.
So the material.... This book introduces Snort, what it is/does, etc, then moves on to how it works. I really enjoyed chapter 3, which looks into all the preprocessors and a brief desciption of Snort's order of operations and modularity.
I would especially recommend chapters 4 and 5 to new Snorters since design issues comprise a huge part of the questions posed to the Snort mailing list, most of which have easy or standard answers. After that, the installation/configuration chapters demonstrate how to get a running setup using RedHat.
I've read a couple complaints in earlier reviews that these instructions don't work and I must say that it is exceedingly difficult to write an installation procedure that incorporates half a dozen different pieces of software, all of which are under seperate development. I actually know about this because I maintain the FreeBSD install guide on the snort site and the instructions that work one week are slightly off the next week. Use the instructions in this book as a guide and you probably won't have much dirty work to figure out on your own.
The rest of the book gets into the nitty-gritty of using Snort and I think it does a pretty good job. This includes tuning signature sets to use less memory/CPU and to generate more reliable alerts. False positives are the bane of the IDS world. If you're new to Snort/IDS then you'll enjoy learning of several great tools like Swatch and Barnyard that this book explores.
Overall I think this book is well worth the 31 clams I coughed up on Amazon.
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Format: Paperback
This is one of those "essential, have to have" books. I just got through all of the examples and finished building out a 3-tiered snort network for the company where I work as a senior security engineer. We previously had some older, expensive, ISS realsecure equipment in place, and I made the case to managment to replace the RealSecure stuff with open-source Snort. It wasn't that hard, the maintence cost for an upgrade was going to be more than my whole entire Snort-based design. My company had good experiences with apache on red hat, so it wasn't a super hard sell. Times are tough, and managment is looking for ways to cut costs.
This book got me there. I was able to get the meaty technical details I needed, and couldn't find answers to online. Im a highly technical person, Im no (dummy) who gets scared of the command line. Id scoured the snort.org website, mailing lists, newsgroups, securityfocus lists, but they lacked in a lot of areas. Especially, the online articles dont talk about using snort in a corporate or enterprise-size setting. I picked up this book and I was able to put in a very highly effective tuned snort install. I also have moved on to advanced topics, like creating my own custom rules that apply only to my company's network. I use these 20 or so rules to catch traffic that is not supposed to be on my network, but might be normal somewhere else, so there is no offical snort.org rule for them.
In short, this is the best book ive read in a few years, at least for a technical book.
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Format: Paperback
I've seen a bunch of reviews for this book on security and open source websites on the internet. I usually don't buy paper books, I prefer to read online howtos and go to the library to check something out. I only buy something if I really think ill be able to get practical skills out of it (such as the Perl Cookbook, etc.) After reading the slashdot review on this book, I figured that it was time I learn snort and intrusion detection.
Let me say first, if you are going to actually implement everything in this book, getting through it is going to take some time. This isn't the kind of thing you can learn totally in one night, or even one week. There are just tons of examples and intrusion detection strategies to work through. I like how the author goes through several real-world examples in each chapter, such as teaching you step by step on how to write a snort signature or rule from a raw packet capture. Nowhere on the internet have I seen this, trust me ive looked hard.
Also, the book goes beyond using snort. There are a bunch of tools you need to use with snort in order for it to work well. Snort doesnt have any real time email alerting features, remote signature update tools, or even a GUI interface!! All of these things are seperate, and you can't really use snort in the real world without them. This is why I bought this book instead of the other 2 that are out there.
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Format: Paperback
When I first got this book, I had little idea what Snort did, other than being used for intrusion detection. And while I'm not an expert in Snort now that I've finished it, the book is simply a comprehensive step by step guide to using this useful tool. I am not an expert in computer security by any stretch, but I've read enough computer books to know intelligent, useful information when I read it. Although I do not have a big enough box to run Snort, I feel confident that using the author's instructions as a guideline along with some common sense I could get it up and running, which I will be doing in the near future. I particularly liked the fact that the author discussed other add ons and software that are essential or ease using Snort, but are not part of Snort itself.
The book is laid out in a logical, easy to understand manner, and I will definitely using this as my reference once I get a box I can put it on.
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