A firewall is a necessity for all computers connected to broadband
Internet, using DSL, cable, ISDN, WiFi or satellite modems.
There are two types of firewalls: hardware and software.
Software Firewall Programs
Personal Firewall - Price: $45+
Firewall - Price: 39.95+
- Also offers anti-virus and anti-spyware products.
- Open source. Requires a separate Intel or compatible PC to function
as the firewall. Price: Free.