Detectando um Sniffer
ie0:flags=63<UP,BROADCAST,NOTRAILERS,RUNNING,PROMISC
inet 987.654.32.1 netmask ffffff00 broadcast 987.654.32.255
lo0: flags=49<UP,LOOPBACK,RUNNING>
inet 127.0.0.1 netmask ff000000
Sniffers são há maior fonte dos attaques contemporanios.