By Phoenix Labs about PeerGuardian
Protect your PC from unauthorized network intrusions.
A firewall is your first line of defense in protecting private information.
PeerGuardian 2 is Phoenix Labs' premier IP blocker for Windows.
PeerBlock lets you control who your computer "talks to" on the Internet. By selecting appropriate lists of "known bad" computers, you can block communication with advertising or spyware oriented serv...
Basic protection for a Windows PC offered for free;surpasses any built-in tools