iptables Port Forwarding

Question

I have a web server running on my server on port 7000. I want it to be accessible on port 80. I've read that this could be easily done with iptables port forwarding. What would the correct command would be to achieve that?

E

Answer 1

Iptables command:

iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 7000

Change eth0 to your external interface name.