Wireshark

Wireshark

Wireshark is an open source network forensics tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer. Wireshark is a popular tool for testing basic traffic transmission, analyzing bandwidth usage, testing application security and identifying faulty configurations. The tool is quite versatile, allowing network administrators to examine traffic details at a variety of levels. Because Wireshark is open source, its filters can be tailored to the unique needs of a specific enterprise network.