Zone Alarm
ZoneAlarm is designed to protect your DSL- or cable-connected PC from hackers. This program includes four interlocking security services: a firewall, an application control, an Internet lock, and Zones.
Outpost Firewall
Your Essential Defense Against Internet Threats. The two-way firewall stops inappropriate or malicious access to your computer from both internal (LAN) and external (Internet) sources.
Norman Personal Firewall
Norman Personal Firewall Protect yourself with the best personal firewall available. This powerful security program utilizes computer and port stealthing technology to ensure your computer is invisible to hackers. The advanced stateful inspection of incoming and outgoing traffic controls data sessions and prevents your computer from being used in botnets, hijacked or exposed by other hostile activities.
