Sample iptables command
#iptables -A INPUT -m mac --mac-source 00:0F:EA:91:04:08 -j DROPĀ ## block atau accept traffic dari mac address
# iptables -A INPUT -s 192.168.1.0/24 -p icmp –icmp-type echo-request -j ACCEPT
# iptables -A INPUT -p icmp –icmp-type echo-request -j DROP
# iptables -A INPUT -i eth1 -p icmp –icmp-type echo-request -j DROP

