Exactly, with that it will forward requests from all IP addresses on the three ports from external (WAN) your specified internal IP address and port.   Are you sure that you are not behind a CG-NAT? Do you have other services running on your server which are reachable from outside your network? Do you have a static or dynamic external IP address?   You can add this to your config file (please stop the container and then edit the config file) : "SkipNetworkAccessibil