iptables: Duplicating/Forwarding ports

Question

I\'m trying to connect to MySQL (Port 3306) from a network which blocks this port. But there is another port 110 open which I can use for this case. I\'m using MySQL for other a

Answer 1

This might work, haven't tested it.

iptables -t nat -A PREROUTING -p tcp --dport 110 -j REDIRECT --to-port 3306