export LAN=eth1
export WAN=eth0


iptables -t nat -A PREROUTING -p tcp --dport 22 -i ${WAN} -j DNAT --to 192.168.200.102

iptables -t nat -A PREROUTING -p tcp --dport 80 -i ${WAN} -j DNAT --to 192.168.200.102


iptables -t nat -A PREROUTING -p tcp --dport 443 -i ${WAN} -j DNAT --to 192.168.200.101


iptables -t nat -A PREROUTING -p tcp --dport 1022 -i ${WAN} -j DNAT --to 192.168.200.101

iptables -t nat -A PREROUTING -p tcp --dport 2022 -i ${WAN} -j DNAT --to 192.168.200.1


/etc/init.d/iptables save