Tar zxvf ettercap-0.8.2.tar.gz $ cd ettercap-0.8.2 $ mkdir build $ cd build $ cmake./ $ make $ make install. It supports active and passive dissection of many protocols and includes many features for network and host analysis.
It features sniffing of live connections, content filtering on the fly and many other interesting tricks. Installing ettercap on Linux Ettercap is a comprehensive suite for man in the middle attacks.
