In this book, you will gain extensive hands-on experience installing and configuring a firewall. You will also learn how to allow access to key Web services while maintaining your organization's security, as well as how to implement firewall-to-firewall virtual private networks (VPNs). You will learn how to build a firewall to protect your network; provide access to HTTP and FTP services on the Internet, and implement publicly accessible servers without compromising security. Furthermore, throughout the book, extensive hands-on examples provide you with practical experience in establishing security with firewalls. Examples include, but are not limited to: Installing and configuring Check Point FireWall-1; scanning to validate configuration using ISS Internet Scanner; configuring the firewall to support simple and complex Web services; setting up a packet filtering router; enhancing firewall configurations to support split-DNS; authenticating remote users; and protecting browsers and servers with a proxy-based firewall. · Install and configure proxy-based and stateful-filtering firewalls · Protect internal IP addresses with NAT and deploy a secure DNS architecture · Develop an Internet/intranet security policy to protect your organization's systems and data · Reduce your susceptibility to an attack by deploying firewalls, data encryption and decryption and other countermeasures Content: Foreword , Pages xvii-xviii - Introduction , Pages xix-xxviii Acknowledgments , Pages xxix-xxx 1 - Firewalls: What Are They? , Pages 3-21 2 - Type of Firewall Security Policy , Pages 23-48 3 - Firewall Types , Pages 49-57 4 - Choosing the Right Firewall , Pages 61-91 5 - Defense in Depth: Firewall Topologies , Pages 93-110 6 - Installation Preparation , Pages 113-129 7 - Firewall Configuration , Pages 131-145 8 - Simple Policy Implementation , Pages 149-158 9 - Complex Web Services Management , Pages 159-173 10 - Content Filtering , Pages 175-184 11 - Publicly Accessible Servers Implementation , Pages 187-202 12 - Architecture selection , Pages 203-215 13 - External Servers Protection , Pages 217-228 14 - Internal IP Security Threats: Beyond The Firewall , Pages 231-248 15 - Network Address Translation Deployment , Pages 249-268 16 - Privacy and Authentication Technology , Pages 271-283 17 - Tunneling: Firewall-to-Firewall , Pages 285-295 18 - Auditing and Logging , Pages 299-309 19 - Firewall administration , Pages 311-327 20 - Summary, Conclusions, and Recommendations , Pages 329-340 A - Contributors of firewall software , Pages 343-348 B - Worldwide Survey of Firewall Products , Pages 349-351 C - Firewall Companies , Pages 353-355 D - Commercial Products or Consultants Who Sell or Service Firewalls , Pages 357-361 E - Establishing Your Organization's Security , Pages 363-365 F - Network Interconnections , Pages 367-369 G - Deterring Masqueraders and Ensuring Authenticity , Pages 371-379 H - Preventing Eavesdropping to Protect Your Privacy , Pages 381-384 I - Thwarting Counterfeiters and Forgers to Retain Integrity Through a Reverse Firewall , Pages 385-389 J - Avoiding Disruption of Service to Maintain Availability , Pages 391-392 K - Developing Your Firewall Security Policy , Pages 393-396 Glossary , Pages 397-406 Index , Pages 407-418 Today, when an organization connects its private network to the Internet, security has to be a primary concern. Security advice for any organization from a consultant with decades of experience