iptables -A INPUT -i lo -j ACCEPT
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --dport 8989 -j ACCEPT
iptables -A INPUT -p tcp --dport 64738 -j ACCEPT
iptables -A INPUT -p udp --dport 64738 -j ACCEPT
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT