| | |  | Computer Security | Home » » Firewall Fundamentals | | | | | | | Product Promotions: | | | | | Description: | | The essential guide to understanding and using firewalls to protect personal computers and your network - An easy-to-read introduction to the most commonly deployed network security device
- Understand the threats firewalls are designed to protect against
- Learn basic firewall architectures, practical deployment scenarios, and common management and troubleshooting tasks
- Includes configuration, deployment, and management checklists
Increasing reliance on the Internet in both work and home environments has radically increased the vulnerability of computing systems to attack from a wide variety of threats. Firewall technology continues to be the most prevalent form of protection against existing and new threats to computers and networks. A full understanding of what firewalls can do, how they can be deployed to maximum effect, and the differences among firewall types can make the difference between continued network integrity and complete network or computer failure. Firewall Fundamentals introduces readers to firewall concepts and explores various commercial and open source firewall implementations--including Cisco, Linksys, and Linux--allowing network administrators and small office/home office computer users to effectively choose and configure their devices. Firewall Fundamentals is written in clear and easy-to-understand language and helps novice users understand what firewalls are and how and where they are used. It introduces various types of firewalls, first conceptually and then by explaining how different firewall implementations actually work. It also provides numerous implementation examples, demonstrating the use of firewalls in both personal and business-related scenarios, and explains how a firewall should be installed and configured. Additionally, generic firewall troubleshooting methodologies and common management tasks are clearly defined and explained. | | | Product Details: | | | Author:
| Wes Noonan | | Paperback:
| 408 pages | | Publisher:
| Cisco Press | | Publication Date:
| June 12, 2006 | | Language:
| English | | ISBN:
| 1587052210 | | Product Length:
| 9.1 inches | | Product Width:
| 7.34 inches | | Product Height:
| 0.9 inches | | Product Weight:
| 1.49 pounds | | Package Length:
| 8.98 inches | | Package Width:
| 7.32 inches | | Package Height:
| 0.94 inches | | Package Weight:
| 1.5 pounds | | Average Customer Rating:
|  based on 7 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 7 customer reviews )
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Most Helpful Customer Reviews
7 of 7 found the following review helpful:
no Cisco biasJun 30, 2006
By W Boudville
So what is a firewall? Noonan and Dubrawsky explain, at a sophisticated level far deeper than a "Dummies" book. Starting with the basics. Namely, why you should have one. As a major defense against a bevy of malware attacks on your network. These include worms, Trojans, Denial of Service and the always popular and pernicious social engineering.
Given this motivation, the book classifies the different types of firewalls available. There are various ways to do this. One is simply to divvy up all firewalls into software, appliance or integrated classes. Another method, which might be more meaningful, focuses on the technology used by a firewall. Regardless of whether it's provided by hardware or software. The technology classification gives you packet filtering, NAT, circuit level, proxies, stateful and others. To understand the distinctions, the book also gives a quick education about TCP/IP.
One noteworthy take home message provided by the book is that a NAT firewall is a pretty simple functionality. It really doesn't give that much protection, despite what you might read elsewhere on the Web. The details given in the book should disabuse you on relying on a NAT as your firewall.
I looked and looked for a Cisco bias in the book. It comes from ciscopress.com, after all. But the authors furnish a pretty objective analysis. Yes, at various points, they talk about what Cisco provides in this arena. But Cisco is a major player, and needs to be discussed. It's a disservice to the reader to omit it. Plus, other vendors also get fair play, like Trend Micro or Microsoft.
5 of 6 found the following review helpful:
 Cisco's Replacement for a Dummies Guide to FirewallsJul 23, 2006
By Joel E. Natt
Firewall Fundamentals provides what I see as the first clear book in many years on the oldest known protection for the Information Technology field. Authors Wes Noonan and Ido Dubrawsky take the concepts of protection at the basic level and slowly walk the reader through protection and defense from the introduction of threats to the details of advanced firewalls like the Cisco PIX and ASA appliances to Microsoft's ISA application. While this book may to be advanced in nature, it explains in detail the simple items that make the understanding of Firewalls and their technology important. Even from the goal of the book "...personal and desktop..." where the authors clear state that no level will be untouched does this book make one feel comfortable and unafraid.
Considering that this is a Cisco Press, book it surprised me that the amount of non-Cisco detail the authors' included, from Checkpoint and Microsoft ISA in the larger areas to Trend-Micro in the smaller areas. These guys ensured in this book a level of detail and understanding that will guarantee a complete read; even a Security Engineer, like myself who has learned the advanced concepts and deployment methods/reasons for security, gained new insight into the world I work in. For both Noonan and Dubrawsky present the items I sometimes miss, the obvious and clear issues that the regular individuals encounter and need to help them.
Noonan and Dubrawsky start with the simple items and basic concepts slowly and adding to them while not forgetting the assumed reader. This book is divided into four sections including the Appendixes: The first of the major section as always the Introduction which covers the basics from what a threat is to the difference between a personal (computer) based firewall to a network firewall.
After the basics are covered the authors' begin moving into the how of firewall technology from the personal computer to the common home-office like Linksys and finally into the realm of small office and hardware that include the Cisco platforms. While these chapters may appear to focus more on the Cisco Products they do include important other chapters that deal with items like where a firewalls belongs within the network. Within this section of the book we see items as mentioned like the Linksys and Cisco products, but we also see NetFilter and other freeware and pay products including Microsoft's ISA and Checkpoint mentioned, configured and discussed in detail. Within Chapter 7 the Linux products that are slowly advancing in the industry due to their cost and availability are detailed with the NetFilter product. Flow-charts and diagrams again help to explain not only this product, but the key concepts behind firewall technologies and examples of scripting help individuals learn and understanding what should be occurring with the product.
Finally the last key section deals with the importance of Managing and Maintenance any Firewall. From policy management to troubleshooting they do not leave anything out. I personally found the chapter entitled "What is My Firewall Telling Me?" very different from what I would expect in a simple how to read the logs chapter. The authors took time to explain the concepts of logging, the importance and different methods to read the log. Again they showed that this is not a book that is Cisco centric on Cisco heavy by using products and screen shots of non-Cisco items like Microsoft and NetIQ.
What this book is missing is a disclaimer that while published by Cisco Press it is not entirely Cisco Centric and this is a good thing. Yes as many people know Cisco is a large player in the field of networking and information security these author's do everything to ensure a fair and equal play of the others I have mentioned before. I feel that if you where looking for a book to help anyone with a small or home office environment protect it, this is the book you need. While I found adding it to my collection a positive and enjoyable experience, I can only hope that you will too.
2 of 2 found the following review helpful:
From application proxy firewalls to security policies and rulesAug 05, 2006
By Midwest Book Review
Firewalls have gone from a luxury to a necessity in the computer world, and today a thorough understanding of their function and setup is required reading for any serious networker, programmer, or computer operator. Firewall Fundamentals: An Introduction To Network And Computer Firewall Security addresses all issues, providing a through introduction to firewalls, how they protect, up to more advanced TCP/IP protocols and firewall configuration for Linux and other systems. From application proxy firewalls to security policies and rules, Firewall Fundamentals holds it all.
1 of 1 found the following review helpful:
A very valuable reference for information on the principles behind firewalls, not Cisco specificJul 19, 2008
By Charles Ashbacher
I taught a course in computer security and a course in advanced networking during the spring semester of 2008. Both of those classes contained some coverage of the role of computer firewalls and the techniques they use to protect computers from malicious entities. This was the primary resource I used in my presentations of firewalls and in that context, I found it invaluable.
There are three main sections:
*) Introduction to firewalls
*) How firewalls work
*) Managing and maintaining firewalls
For the computer security course, the second section was the most valuable, for in that course we discussed the mechanics of how security is provided on the border of the network with the exterior world. Specifically, chapter 8 "Application Proxy Firewalls" and chapter 9, "Where Firewalls Fit in a Network" were useful.
The last section was of major importance in the advanced networking course since the emphasis in the course was on network management. I required the students to write a major document on network management policy and the ruleset for managing the firewall(s) was a major section of it. Specifically, chapter 10 "Firewall Security Policies" and chapter 11 "Firewall Policies/Rulesets" were useful.
This book is an excellent introduction to firewalls and contains enough advanced material for it to be useful for the training of networking professionals.
1 of 1 found the following review helpful:
Suprisingly good coverage for a "fundamentals" bookOct 12, 2007
By Eric
"egoslayer1"
Don't let the title fool you into thinking the book is only of value to novices. Instead the book goes into unexpected levels of detail while still staying easy to read. I was surprised at how much detail there was. There was a lot more information that I would have expected. I think a wide range of skill levels can still find value in the book as an everyday reference, or to study up on the topic. I would highly recommend this as a vendor-neutral book for your networking collection.
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