802.11 Security 1st Edition

by Bruce Potter (Author), Bob Fleck (Author)

13 customer reviews

ISBN-13: 978-0596002909

ISBN-10: 0596002904

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Mention wireless networks, and the question of security will soon follow. It's not surprising that in spite of compelling business arguments for going wireless, many companies are holding back because of security concerns. But, while it's true that wireless networks create security issues that don't exist in wired networks, the issues are not insurmountable. 802.11 Security shows how you can plan for and successfully contend with security obstacles in your wireless deployment. This authoritative book not only explains the security issues, but shows you how to design and build a your own secure wireless network.802.11 Security covers the entire process of building secure 802.11-based wireless networks, in particular, the 802.11b ("Wi-Fi") specification. The authors provide detailed coverage of security issues unique to wireless networking, such as Wireless Access Points (WAP), bandwidth stealing, and the problematic Wired Equivalent Privacy component of 802.11. You'll learn how to configure a wireless client and to set up a WAP using either Linux or Free BSD. You'll also find thorough information on controlling network access and encrypting client traffic.Beginning with an introduction to 802.11b in general, the book gives you a broad basis in theory and practice of wireless security, dispelling some of the myths along the way. In doing so, they provide you with the technical grounding required to think about how the rest of the book applies to your specific needs and situations. Next, the book details the technical setup instructions needed for both the Linux and FreeBSD operating systems.Some of the topics covered include:

Station Security for Linux, FreeBSD, Open BSD, Mac OS X and Windows
Setting Up Access Point Security
Gateway Security, including building Gateways, firewall Rules, Auditing, etc.
Authentication and Encryption
FreeBSD IPsec client and gateway configuration
Linux IPsec client and gateway configuration
802.1x authentication

802.11 Security is a book whose time has come. If you are a network, security, or systems engineer, or anyone interested in deploying 802.11b-based systems, you'll want this book beside you every step of the way.

802.11 Security

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About the Author

is the Manager of Network and Security Operations for VeriSign's Mass Market's division. He manages the security for over a hundred network devices and several hundred servers. He's the founder of the Shmoo Group (www.shmoo.com), a web site for security, cryptography, and privacy professionals, and NoVAWireless (www.novawireless.org), a community-based wireless network project in Northern Virginia.

is a security researcher and the Director of Methodology Development at Secure Software, Inc. He has been involved in wireless networking both through the Northern Virginia community wireless group and through commercial security research into the topology of wireless networks. His recent work includes investigation of layer two attacks against wireless networking devices.

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Product Details

Paperback: 208 pages
Publisher: O'Reilly Media; 1st edition (December 2002)
Language: English
ISBN-10: 0596002904
ISBN-13: 978-0596002909
Product Dimensions: 7 x 0.5 x 9.2 inches
Shipping Weight: 14.4 ounces (View shipping rates and policies)
Average Customer Review: 3.3 out of 5 stars See all reviews (13 customer reviews)
Amazon Best Sellers Rank: #2,770,456 in Books (See Top 100 in Books)
- #240 in Books > Computers & Technology > Networking & Cloud Computing > Wireless Networks
- #548 in Books > Computers & Technology > Programming > APIs & Operating Environments
- #576 in Books > Computers & Technology > Networking & Cloud Computing > Networks, Protocols & APIs > LAN

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3.3 out of 5 stars

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2 star		8%
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Top Customer Reviews

David Weeks MyMac.com Book Review

ByTim RobertsonVINE VOICEon February 11, 2003

GEEK ALERT!
Warning Will Robinson! This small book on 802.11b wireless security (167 pages not including the comprehensive index) is not for the faint of heart. To take full advantage of the copious amount of detail that Potter and Fleck provide, you need a good working knowledge of networking, and familiarity with either the Linux, FreeBSD, or OpenBSD operating systems.
802.11 Security is aimed at people who need to configure and administer secure 802.11b wireless (popularly named Airport or WiFi) networks. 802.11 Security is NOT targeted at the casual home computer user who merely wants to keep others from poaching their wireless connection. Those users are best served by Adam Engst's and Glenn Fleishman's Wireless Internet Starter Kit.
However, if you have any interest in comprehensive and detailed knowledge of how 802.11b security works from the network administrator's viewpoint, 802.11 Security is the book for you. Potter and Fleck have years of experience with Unix security issues, and have several papers on the subject to their credit.
After setting the stage with a good discussion of the many problems with wireless security, the authors outline some of the more common types of attacks on wireless networks. Why? Their point is that understanding the nature of the "Man-in-the-middle" attack (for example) is important for knowing how to prevent it. This point shows that 802.11 Security is more than just a "cookbook" manual. It provides the "why" as well as the "how."
The bulk of the book covers how to configure FreeBSD, Linux, and OpenBSD clients, gateways, and access points (base stations for us Apple types). Plenty of examples are provided. However, with no CD included to allow copy-and-paste, you'll need to enter everything manually if you want to follow the examples verbatim. In reality, the lack of a CD is not an issue, as the typical sysadmin is going to be working on their customized installation, and will need to tweak the code examples.
802.11 Security does have ten pages on Mac OSX station configuration, as well as a smaller section on Windows setup. For those adventurous readers, the Mac setup section has plenty of examples on how to configure OSX's built-in firewall for best wireless security. The relative paucity on client computer setup is one of the few drawbacks for an end-user reader, as the book focuses on administrator issues.
802.11 Security is a good read for the Unix sysadmin who is new to wireless networks, or for the aficionados who want to roll their own home wireless network security. Again, this is not a mass-market book. But if you're not the average home user, 802.11 Security is a worthwhile book.
MacMice Rating: 4 out of 5
David Weeks
[website]

0Comment 11 people found this helpful. Was this review helpful to you?YesNo

Good introduction, not a detailed reference (as promised)

Bydhartmeion February 7, 2003

I don't agree with the negative reviews above. The book doesn't pretend to be a reference of 802.11 protocols at all. It claims to cover fundamentals of wireless security and practical solutions for many operating systems. And it does hold that promise.
The introduction to wireless security is to the point and accurate.
I can't judge all the OS specific chapters, but those that cover OpenBSD are well done and a good introduction to all tools relevant to 802.11 on that platform.
If you have to think twice before spending [the money], you can find the same information in man pages. That doesn't mean that the book isn't worth its price, though.
Anyone using wireless networks without being aware of the security implications will profit from this short book, and those running one of the covered operating systems will find the examples a good starting point.
It's only 176 pages, and about 80% are OS specific (covering Linux/netfilter, FreeBSD/ipfw, OpenBSD/pf, Mac OSX and Windows), which means you can either skip over most of the OS specific parts or use it as an summary of the similarities and differences among those OSs.

0Comment 6 people found this helpful. Was this review helpful to you?YesNo

It is not the Music. . . . . .

ByMarco De Vivoon February 15, 2003

You don't know me. So you are not supposed to trust me blindly.
However, after years in this (security) area, let me share a thought with you: It is not the music, but who and how is playing it that matters.
This is a superb book, as excellent as the well known experience of the writers.
I recently hired three security pros. with not previous knowledge in wireless security. I gave them just one weapon: This Book.
After just a week in their first wireless scenario, were able to detect and correctly react to several related security incidents.
Don't let other reviews fool you. This is an outstanding book.
If this is your area of interest believe me and buy it.
If then you think I was wrong. . . well don't trust any more in my reviews (bet it won't happen).

0Comment 10 people found this helpful. Was this review helpful to you?YesNo

Decent coverage of 802.11 security

ByInformation Security Guruon June 29, 2005

This book provides the basic coverage of 802.11 security that the casual user would want, but leaves the information security professional wanting more. The pain point for this book is the price point and the amount of information covered. For the list price, most readers would expect much more in depth coverage of the topic including ancillary information such as monitoring for unusual activity, etc. To be fair, the author doesn't include this in the scope, but a book ambitiously titled 802.11 security in conjunction with the price, would leave the impression that there was more comprehensive coverage of other issues surrounding wireless deployment.

Not a bad book, just not what was expected when comparing to other O'Reilly books.

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Most Recent Customer Reviews

Really well structured book, from station security (by operating system), protecting APs, to build a gateway with firewall rules taking into consideration all the protocols...Read more

Published on October 10, 2005 by L. dos SANTOS

Great for wireless security

Bruce Potter knows the ins and out of 802.x security. There are a tons of security problems w/ wireless, but after reading this book, you will know what they are and at least...Read more

Published on March 13, 2005 by Eric Kent

Wonderful book, title should mention Unix.

802.11 Security is another fine O'Reilly book, it is very nicely written and laid out and the message is crystal clear.Read more

Published on September 29, 2003 by Stephen Northcutt

As secure as it can be

You've got one, I've got one, we've all got one. Wired networks have become so passe` now that wireless networks are everywhere.Read more

Published on July 10, 2003 by FPL Analysts

I disagree with the other reviewer. While it's true that this book has a large collection of URL's that *could* be found using a search engine, the fact that the authors took the...Read more

Published on June 20, 2003 by Jim W Jerzycke

Not worth the money---DON'T WASTE IT on this book.

I did the smart thing and got this book on inter-library loan BEFORE making a decision whether to purchase it. I noted that the book was only 176 pages long.Read more

Published on June 10, 2003 by Maddmannmatt

Can't believe the bad rap...

Wow, I can't believe this book has any less than 4.5 stars. The 1-star reviews really do seem to miss the mark.Read more

Published on March 3, 2003

Completely misses the mark

This book is a general network security book that masquerades as a reference on wireless LANs. Much of the book is general information that applies to any network, and is not...Read more

Published on January 16, 2003

This book simply does not live up to the O'Reilly name. I was hoping for more security theory as applied to WiFi and discussion of different related technologies and third-party...Read more

Published on January 4, 2003 by Amazon Customer

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