Ettercap is a powerful "offensive" security tool. It is designed for educational purposes and authorized penetration testing. use Ettercap on a network you do not own.
Ubuntu is the preferred choice for many security researchers because of its stability and massive community support. Ettercap runs natively on Linux and takes full advantage of Ubuntu’s networking stack. Key features include: Support for many protocols (SSH, FTP, HTTP, etc.) Packet filtering and dropping Plugin support for complex attacks like DNS spoofing Ability to sniff switched LANs using ARP poisoning Method 1: The Fast Way (Command Line) download ettercap for ubuntu
To make sure everything downloaded correctly, try launching the GUI version: sudo ettercap -G Ettercap is a powerful "offensive" security tool