iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT

iptables -A INPUT -i eth0 -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
iptables -A INPUT -i eth0 -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
iptables -A INPUT -i eth0 -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP
iptables -A INPUT -i eth0 -p tcp -m tcp --tcp-flags FIN,RST FIN,RST -j DROP
iptables -A INPUT -i eth0 -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
iptables -A INPUT -i eth0 -p tcp -m tcp --tcp-flags ACK,URG URG -j DROP

echo "Allowed IPS"
while read IP; do
    iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 22 -s $IP -j DNAT --to-destination 192.168.0.3:22
    iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 2222 -s $IP -j DNAT --to-destination 192.168.0.7:22
    iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 9913 -s $IP -j DNAT --to-destination 192.168.0.3:1020
    iptables -A INPUT -p tcp --dport 22 -s $IP -j ACCEPT
    iptables -A INPUT -p tcp --dport 9913 -s $IP -j ACCEPT
done < /etc/rc.d/allowed_ips.conf

iptables -A INPUT -i eth0 -p tcp --destination-port 22 -j DROP
iptables -A INPUT -i eth0 -p tcp --destination-port 9913 -j DROP

echo "Nat internet"
iptables -t nat -A POSTROUTING -o eth0 -s 192.168.0.0/24 -j MASQUERADE
iptables -t nat -A POSTROUTING -o eth0 -s 192.168.142.0/24 -j MASQUERADE