The BFG Internet Traffic Cop is a fast and easy way to stop all traffic from coming into your PC from your network or modem. With always on broadband connections becoming more common, hackers, viruses and worms have uninterrupted access to your computer if left unprotected. The BFG Internet Traffic Cop stops the unwanted access to your PC when you are not using it. The BFG Internet Traffic Cop installs via either USB or Cat 5 cable.