Firewalls

"""Internal and external security in the age of the World Wide Web is a major concern to anyone with a network or a Web presence. In order to keep things secure, most corporate networks use firewall protection. However, choosing, deploying, and maintaining the right firewall for a particular network are difficult tasks, since there are many products on the market. Firewalls: A Complete Guide has the answers! Filled with the latest, cutting-edge information, this book gives network administrators everything they need to choose, administer, and deploy a firewall. This complete sourcebook discusses major firewall technologies and brands, their advantages and disadvantages, what works and what doesn't as well as what to look for in a firewall product. In addition, the book features brand-new coverage of the latest security threats and countermeasures, allowing you to address security breaches before they occur. """