do i really have to create a new TCP Connection every time i want to connect to my minecraft server or is there a permanent way?
You’ll want to install the remote.it desktop app. https://support.remote.it/hc/en-us/articles/360048935231-remoteit-Desktop-Overview-and-Features
This allows you define static P2P connections to remote services on local ports so you don’t have to generate the proxy address every time you want to connect.
That’s the correct answer. Use remote.it Desktop.