Jetico Personal Firewall protects your computer from unwanted hacker's attacks from outside as well as from malicious programs "living" secretly inside your computer's memory and hard drive. Three levels of protection are included: low-level network packets filtering, application-level network events filtering and filtering of user-level process activity. Jetico Personal Firewall checks every packet that comes in or out of your computer.

SoftPerfect Personal Firewall is a free network firewall designed to protect your PC against attacks from the Internet or via a local area network. It offers customizable security using user-defined rules for packet filtering. The program supports a learning mode, multiple network adapter configurations, non-IP protocol filtering and comes with a set of predefined rules. Additional features include password protection, logging and more.

Protection for personal data is needed now more than ever. My Firewall Plus is an advanced, bi-directional intrusion defense system that's both easy to use and configure. My Firewall Plus protects your computer by stopping malicious hackers and other intruders from gaining access to your system and data. At the same time, it prevents hidden or unknown software (the kind a virus could install) from connecting to the Internet without your consent.

Personal Firewall Pro delivers world-class security and protection to your PC. Firewall Pro scans your DSL, cable or dial-up Internet connection looking for hacker activity and other Internet threats. Firewall Pro detects threatening Internet activity and prevents unauthorized access to your PC. Firewall Pro even blocks pop-up ads and other unsolicited content!