ettercap-gtk 1:0.7.3-2.1ubuntu1 (powerpc binary) in ubuntu natty

 .
 This package includes gtk enabled version of ettercap. It also
 includes ncurses support.
 .
 Ettercap supports active and passive dissection of many protocols
 (even ciphered 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 were implemented to give you a powerful and complete
 sniffing suite. It's possible to sniff in four modes: IP Based, MAC Based,
 ARP Based (full-duplex) and PublicARP Based (half-duplex).
 .
 It has the ability to check whether you are in a switched LAN or
 not, and to use OS fingerprints (active or passive) to let you know the
 geometry of the LAN.