PeerGuardian 2 is Phoenix Labs’ premier IP blocker for Windows. They are capable of blocking incoming and outgoing connections based on IP blocklists. The system is also capable of blocking advertising, spyware, government and educational ranges, depending upon user preferences.
PeerGuardian 2 integrates support for multiple lists, list editing, automatic updates, and blocking all of IPv4 (TCP, UDP, ICMP, etc), making it the safest and easiest way to protect your privacy on P2P.
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