IpMaster sniffs, or monitors, Internet and/or Network data packets coming in, and going out of, your PC and network. IpMaster provides complete Filtering by IP address and/or Port, both Source and Destination. For you Gamers... IpMaster gives you total control and flexibility...filtering by Port numbers and Ip addresses so as to isolate, say cheater’s Ip addresses :) Network Buffs... IpMaster displays 3 formats, Text, Hexidecimal, Dec.