P2P Privacy Guardian is a Perl script that downloads a list of malicious IP addresses and denies incoming and outgoing connections to addresses on the list via IPTables.
You can download it from the following link: https://packetstormsecurity.com/files/download/32996/p2pguard.tar.gz
Source: https://packetstormsecurity.com/files/32996/p2pguard.tar.gz.html

