Wireshark is a GTK+-based network protocol analyzer that lets
you capture and interactively browse the contents of network
frames. The goal of the project is to create a commercial-quality
analyzer for Unix and Win32 and to give Wireshark features that are
missing from closed-source sniffers.
Read more https://packetstormsecurity.com/files/154959/wireshark-3.0.6.tar.xz