Install ettercap-common by entering the following commands in the terminal:
sudo apt update sudo apt install ettercap-common
Description:
Multipurpose sniffer/interceptor/logger for switched LAN
Ettercap supports active and passive dissection of many protocols (even encrypted ones) and includes many feature for network and host analysis. . Data injection in an established connection and filtering (substitute or drop a packet) on the fly is also possible, keeping the connection synchronized. . Many sniffing modes are implemented, for a powerful and complete sniffing suite. It is possible to sniff in four modes: IP Based, MAC Based, ARP Based (full-duplex) and PublicARP Based (half-duplex). . Ettercap also has the ability to detect a switched LAN, and to use OS fingerprints (active or passive) to find the geometry of the LAN. . This package contains the Common support files, configuration files, plugins, and documentation. You must also install either ettercap-graphical or ettercap-text-only for the actual GUI-enabled or text-only ettercap executable, respectively.
Homepage: https://ettercap.github.io/ettercap/
Version: 1:0.8.2-10build4
Section: universe/net