Firewall set up Hetzner Cloud

Ip Adding in Hetzner's Firewall failed. Restarting the server will of course not help either because that is not uwf that is a firewall above the operating system.

So if I added a row. 

Do you have to remove resources and then add them again.

Then all changes are really applied.

Sometimes it works immediately without any problems and suddenly stretched without removing and adding.

From Web to Database Any port