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Linux-iptables设置端口转发规则

2017-12-24 21:37:09 107次浏览


第一步: echo 1 > /proc/sys/net/ipv4/ip_forward 第二步: 测试环境: 本机IP:192.168.0.1 对端IP:192.168.0.2 设置效果:访问192.168.0.1 80端口 将转发到192.168.0.2 80端口 # Generated by iptables-save v1.4.7 on Fri Dec 22 08:36:27 2017 *nat :PREROUTING ACCEPT [6:489] :POSTROUTING ACCEPT [0:0] :OUTPUT ACCEPT [0:0] #-A INPUT -p tcp -m tcp –dport 80 -j ACCEPT -A PREROUTING -p tcp -m tcp –dport 80 -j DNAT –to-destination 192.168.0.2:80 -A POSTROUTING -d 192.168.0.232 -p tcp -m tcp –dport 80 -j SNAT –to-source 192.168.0.1 COMMIT # Completed on Fri Dec 22 08:36:27 2017 # Generated by iptables-save v1.4.7 on Fri Dec 22 08:36:27 2017 # Completed on Fri Dec 22 08:36:27 2017

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