iplist is a Linux application for blocking connections to and from a specified range of hosts using the netfilter netlink-queue library. iplist is an open source IP filtering program similar to PeerGuardian .
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PeerGuardian Alternatives for Linux
There are many alternatives to PeerGuardian for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux alternative is iplist, which is both free and Open Source. If that doesn't work for you, our users have ranked six alternatives to PeerGuardian, but unfortunately only one of them is available for Linux. If you can't find an alternative you can try to remove all filters.