如何让访问81端口就像访问80一样一样的呢?
例如: 让172.16.7.148 访问 172.16.2.2:81 就像访问 172.16.2.2:80一样,如下:
iptables -t nat -A PREROUTING –src 172.16.7.148 -p tcp –dport 81 -j DNAT –to-destination 172.16.2.2:80
iptables -t nat -A POSTROUTING –dst 172.16.7.148 -p tcp –sport 80 -j SNAT –to-source 172.16.2.2:81
echo 1 > /proc/sys/net/ipv4/ip_forward
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