A Packet Sniffer captures, monitors and analyzes network traffic.
Edit by : A Packet Sniffer is a program that captures, monitors and analyzes network traffic, detecting bottlenecks and other network related problems. Using this information, a Network Manager can keep traffic flowing efficiently. A packet sniffer can also be used legitimately or illegitimately to Capture data being transmitted over a network. you can free download Sniff 'em 1.1.3 now.