Wireshark is a graphical packet capture and analyser open-source software. It can be used for a variety of network communication analysis tasks like protocol development and troubleshooting. It shows packets on the IP level.
Wireshark is an open-source cross-platform packet capture and analysis tool. It has a wide range of dissectors for different protocols, and offers a powerful filter grammar for searching through packet captures. It is considered by many to be the de facto tool for packet analysis.
