View Larger Image	Wes Noonan, Ido Dubrawsky Cisco Press, Paperback, Published June 2006, 400 pages, ISBN 1587052210
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Read an excerpt: Chapter 5: Broadband Routers and Firewalls       Excerpt provided courtesy of by Cisco Press. Copyright © Pearson Education, Cisco Press. Written permission from the publisher is required for any use of this material.

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• Enterprise Computing : Security
• * Series - Int/Adv Users : Fundamentals Series

• Cisco Press

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.

Table of Contents

Introduction

Part 1      Introduction to Firewalls3

Chapter 1 Introduction to Firewalls

Chapter 2 Firewall Basics

Chapter 3 TCP/IP for Firewalls

Part II     How Firewalls Work

Chapter 4 Personal Firewalls: Windows Firewall and Trend Micro's PC-cillin

Chapter 5 Broadband Routers and Firewalls

Chapter 6 Cisco PIX Firewall and ASA Security Appliance

Chapter 7 Linux-Based Firewalls

Chapter 8 Application Proxy Firewalls

Chapter 9 Where Firewalls Fit in a Network

Part III    Managing and Maintaining Firewalls

Chapter 10 Firewall Security Policies

Chapter 11 Managing Firewalls

Chapter 12 What Is My Firewall Telling Me?

Chapter 13 Troubleshooting Firewalls

Chapter 14 Going Beyond Basic Firewall Features

Part IV     Appendixes

Appendix A Firewall and Security Tools

Appendix B Firewall and Security Resources

About the Authors

Ido Dubrawsky is a senior security consultant with Callisma, an SBC subsidiary. He advises customers on a wide variety of security issues. Previously he was a network security architect working on the Cisco Systems SAFE Architecture team.

Wesley J. Noonan has been working in the computer industry for over 12 years, specializing in Windows-based networks and network infrastructure security design and implementation. He is a staff quality engineer for NetIQ working on the security solutions product line.

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