Good luck scanning 64k ports on a server that has a few randomly assigned fail2ban listeners.
If you think it’s not trivial to get 64k random IP addresses to make requests for you for pennies, you are completely delusional if you think fail2ban protects a random port number in any way.
If you think it’s not trivial to get 64k random IP addresses to make requests for you for pennies, you are completely delusional if you think fail2ban protects a random port number in any way.