Sygate Personal Firewall PRO
Note: This product has been discontinued. It has been replaced by Norton Internet Security.Good news: Someone's interested in your small business. Bad news: They're hackers. Sygate Personal Firewall PRO covers all the bases covered by Personal Firewall, but adds new network layer protection measures, an application-based detection system (IDS), and operating system security protection. It can automatically terminate common attacks, such as known Trojans and Denial of Service Zombies. This firewall's defense mechanisms can also keep malicious code or users from disabling the firewall.