Typical machines only have 1 eth device, so don't forward. Otherwise, all packets ... iptables A INPUT i eth -m state --state RELATED,ESTABLISHED j ACCEPT ...
none /dev/pts devpts gid=5,mode=620 0 0. none /dev/shm tmpfs defaults 0 0 ... g, --gid GROUP force use GROUP for the new user account $ adduser jim g staff ...
... practical test, you can use any online resource you like, so ... than a closed book exam, as I wont ask questions where the answers are directly from the notes. ...