Block Port dengan Iptables

# Block MIRC
iptables -I FORWARD -p tcp --dport 6600:8000 -o eth0 -j DROP
iptables -I FORWARD -p udp --dport 6600:8000 -o eth0 -j DROP

# Block Port webcam Yahoo
iptables -I FORWARD -p tcp --dport 5100 -o eth0 -j DROP
iptables -I FORWARD -p udp --dport 5100 -o eth0 -j DROP

# Blocking MIRC
iptables -I FORWARD -p tcp --dport 6600:8000 -o eth0 -j DROP
iptables -I FORWARD -p udp --dport 6600:8000 -o eth0 -j DROP

# Block Port Room Yahoo
iptables -I FORWARD -p tcp --dport 5050 -o eth0 -j DROP
iptables -I FORWARD -p udp --dport 5050 -o eth0 -j DROP