端口映射功能

 

内部192.168.0.2:80 映射到外部216.94.87.37:8080

iptables -t nat -A PREROUTING  -d  216.94.87.37 -p TCP --dport 8080 -j DNAT --to-destination 192.168.0.2:80

用一个单独的SNAT对回包的端口进行映射

iptables -t nat -A POSTROUTING -p TCP -s 192.168.0.2 --sport 80 -j SNAT --to-source 216.94.87.37:8080

转载于:https://www.cnblogs.com/okshall/p/9496352.html