Practical Firewalls

Provides solutions for firewall problems network administrators face. Material is written with end-users in mind, offering a plain language introduction to complex technologies such as packet filtering and application proxies. Gives instructions for commonly used commands and utilities, explains concepts related to firewalls, and walks through several popular commercial products. Contains sections on understanding firewalls and Internet security, encryption and secure communication on the Internet, and firewall installation and configuration. The author is a consultant in the private sector. Annotation c. Book News, Inc., Portland, OR (booknews.com)