centos iptables 数据转发
iptables -t nat -I PREROUTING -p tcp --dport 3389 -j DNAT --to 38.X25.X.X02
iptables -t nat -I POSTROUTING -p tcp --dport 3389 -j MASQUERADE
iptables -t nat -I PREROUTING -p tcp --dport 3389 -j DNAT --to 38.X25.X.X02
iptables -t nat -I POSTROUTING -p tcp --dport 3389 -j MASQUERADE