Sorry for the difficulty you're having with the port management process. That sounds confusing to deal with. Let's take a closer look and get this sorted out.
We have a help article on port management, but there are some different considerations based on whether or not you're using IPv4 or IPv6. Take a look here and make sure you're following the steps you need: https://bit.ly/2VFhZ5S.
If you're following those steps and are still running into the same issues, please let me know.