Backdoor Guard 1.0.0.2

(May 22, 2005)

Windows 2000/XP / Shareware; $29.99 / 353 downloads

Backdoor Guard prevents hackers, adware, viruses and worms, and protects against emerging viruses before they attack. Easy-to-use firewall blocks hackers and other unknown threats and prevents spyware from sending out your personal data. Program has a "keep list" that contains entries to components that you block or allow its port or its source to not disturb you by asking for it once again unless you remove it from the list.