How to redirect port using IPTABLES

You can redirect the port in IPTABLES using the prerouting parameter.

Following is the command you can use to redirect the traffic of port 8080 to port 80.

$ /sbin/iptables -t nat -I PREROUTING -p tcp –dport 8080 -j REDIRECT –to-port 80
$ /etc/init.d/iptables save
$ /etc/init.d/iptables restart

You can change the ports in the above command according to your need.

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