linux网关如何开放端口

iptables -t nat -A PREROUTING -d 218.108.98.235 -p udp -–dport 68 -j DNAT -–to-destination 10.1.52.206:68

iptables -t nat -A POSTROUTING -d 10.1.52.206 -p udp –-dport 68 -j SNAT -–to 10.1.52.1

service iptables save