I know the issue is completely on the hotel wifi admins' side, but they suggested I ask here for help anyway.

My family and I are staying at a hotel, and are able to log into the launcher, but when the game tries to reach the datacenter we get an error code 2002 and are unable to connect. I imagine it's a port issue on the network, but the admins said they don't have any ports blocked and that I need to reach out to the game support for help.

Is there anything beyond telling them which ports need to be open that might fix this problem? Thanks in advance.