宇文氏 发表于 2018-5-22 13:06:55

linux iptables dnat

  linux iptables 公网、网关做DNAT

  

  192.168.18.230 <-------> 192.168.18.130192.168.11.130 <-------> 192.168.11.131
  

iptables -t nat -A PREROUTING -p tcp -d 192.168.18.130 --dport 2222 -j DNAT --to 192.168.11.131:22
iptables -t nat -A POSTROUTING -s 192.168.11.131 -p tcp --sport 22 -j SNAT --to-source 192.168.18.130
iptables -t nat -A PREROUTING -p tcp -d 192.168.18.130 --dport 80 -j DNAT --to 192.168.11.131:80
iptables -t nat -A POSTROUTING -s 192.168.11.131 -p tcp --sport 80 -j SNAT --to-source 192.168.18.130
echo 1 > /proc/sys/net/ipv4/ip_forward  
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