Massachusetts Institute of Technology
Mit: Open Course Ware: Network and Computer Security
This MIT course on network and computer security covers topics such as security in multi-user distributed systems, cryptography, authentication, intrusion detection, and many other security topics.
Other
Firewall.com
Directory of firewall and computer security information includes tools, reviews of several popular packages, patches, employment, articles, and more.
Department of Defense
Do Dea: Spreadsheet Software Applications: M1: L1: Computer Essentials
In Module 1 Lesson 1 of this course, students are introduced to the basic functions of computer system components, to some technical vocabulary, and they will learn about computer security, privacy, and crimes. They will also learn how...
Wikimedia
Wikipedia: Personal Firewall
Wikipedia offers general information describing a personal firewall. Includes hyperlinked terms and external links.
Get Safe Online
Get Safe Online: Use a Firewall
Firewall software forms the first line of defense against hackers and certain types of computer viruses. This site explains what a firewall can do to help secure a computer and what it cannot do. The site also discusses different types...
Other
Fire Wall Tool Kit
The FireWall ToolKit (FWTK) is a set of proxies which you can use to build your own firewall. This site provides downloads, documentation, FAQ and patches.