1 2 3 4 5 6 7 8 9
:INPUT,FORWARD,OUTPUT -p tcp -j ACCEPT;=;OK ! -p udp -j ACCEPT;=;OK -j DROP;=;OK -j ACCEPT;=;OK -j RETURN;=;OK ! -p 0 -j ACCEPT;=;FAIL :FORWARD -i + -p tcp;-p tcp;OK