How do I... Block IP addresses with Peer Guardian 2?
Source: Jack Wallen
Network security doesn't end with the installation of a firewall or any automated security package. There are times when you'll need to block certain ranges of IP addresses (or known hosts) based on a service and/or block specific IP addresses from gaining access to your network (or machine.) Peer Guardian 2 makes this task simple in a Windows (currently 98/ME/2000/XP) environment. Jack Wallen explains how it works.
This download is also available as a blog entry in the TechRepublic Microsoft Windows Blog.