Install wireshark-gtk by entering the following commands in the terminal:
sudo apt update sudo apt install wireshark-gtk
Description:
network traffic analyzer - GTK+ version
Wireshark is a network "sniffer" - a tool that captures and analyzes packets off the wire. Wireshark can decode too many protocols to list here. . This package provides the GTK+ version of Wireshark.
Homepage: http://www.wireshark.org/
Version: 2.4.5-1
Section: universe/net