= netcat on debain >aptitude install netcat ==Chat #Server >nc -l -p 7777 #client >nc 192.168.0.10 7777 Type anything here after typing above comman. Talk to server side. ==operate #server >nc -l -p 7777 -e /bin/sh #client >nc 192.168.0.10 7777 hostname ifconfig -a == port scan >nc -z -w 3 -v 192.168.0.10 1-1024 #All result -vv option >nc -z -w 3 -vv 192.168.11.11 1-1024