1 :INPUT,FORWARD,OUTPUT 2 -j REJECT;=;OK 3 -j REJECT --reject-with icmp-net-unreachable;=;OK 4 -j REJECT --reject-with icmp-host-unreachable;=;OK 5 -j REJECT --reject-with icmp-port-unreachable;=;OK 6 -j REJECT --reject-with icmp-proto-unreachable;=;OK 7 -j REJECT --reject-with icmp-net-prohibited;=;OK 8 -j REJECT --reject-with icmp-host-prohibited;=;OK 9 -j REJECT --reject-with icmp-admin-prohibited;=;OK 10
