PeerGuardian 2 – PG2.EXE
Pg2.exe installs with PeerGuardian 2 by MathLabs. PeerGuardian is an IP blocker designed to protect your privacy on P2P (peer to peer) networks. for Windows. Features include multiple lists, a list editor, automatic updates, and blocking all of IPv4 (TCP, UDP, ICMP, etc) ports. More information can be found at http://methlabs.org/projects/peerguardian-2-windows/.
If you want the services this program provides, make sure it's running before you log in to your P2P network.
Safe
MathLabs.org