Add firewall rules for aMule in order to get a HighID on CentOS

1. Insert iptables rules:

/sbin/iptables -I RH-Firewall-1-INPUT -p tcp --dport 4662 -j ACCEPT
/sbin/iptables -I RH-Firewall-1-INPUT -p udp --dport 4665 -j ACCEPT
/sbin/iptables -I RH-Firewall-1-INPUT -p udp --dport 4672 -j ACCEPT

2. Get the rules saved to /etc/sysconfig/iptables using iptables-save

/sbin/service iptables save

3. Restart iptables

/etc/init.d/iptables restart