1. Kerio Personal Firewall 4.2.1 Released: 29 Sep 2005 (8 years 11 months ago) Technical Details | Change Log
  2. Kerio Personal Firewall 4.2.0 Released: 21 Jul 2005 (9 years 1 month ago) Technical Details | Change Log
  3. Kerio Personal Firewall 4.1.3 Released: 31 Mar 2005 (9 years 5 months ago) Technical Details | Change Log
  4. Kerio Personal Firewall 4.1.2 Released: 06 Feb 2005 (9 years 7 months ago) Technical Details | Change Log