simple Iptables line

enrique_arong · 06-09-2004, 07:26 AM

Hi

This is a newbie question.

I've got a linux server and have some pcs in my lab,
I would like to set a line with iptables command
that drops the internet to all the pcs in the lab except one.

is it like this ?

iptables -A INPUT -s ! pc with internet -p tcp -j DROP

thanks for your answers

ppuru · 06-09-2004, 08:14 AM

you will need to do thtat with FORWARD instead of INPUT ... also will require to enable MASQUERADING

iptables -t filter -A FORWARD -s ! <my pc> -d <external ip> -j DROP