Redirect port 80 to 8080 and make it work on local machine

You need to use the OUTPUT chain as the packets meant for the loopback interface do not pass via the PREROUTING chain. The following should work; run as root:

iptables -t nat -A OUTPUT -o lo -p tcp --dport 80 -j REDIRECT --to-port 8080

Simple just use iptables allowing both port 80 and 8080 then redirect 80 to 8080 make sure you are assigning to the correct nic.. in example I use eth0

iptables -A INPUT -i eth0 -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 8080 -j ACCEPT
iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080

This worked for me.

$ sudo iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080

Instead of the iptables, You could try: sudo ssh -gL 80:127.0.0.1:8080 localhost

Redirect port 80 to 8080 and make it work on local machine

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