We have 10 servers that supports openVPN and our openVPN supports both UDP and TCP connections at port 21, 99, 443, and 1008.
To change server, connection protocol or port, you usually need to edit the .ovpn files. You no longer to do that now. We just released our openVPN configuration files generator! It looks like this:
To change server, protocol or port, just delete the old files on your computer, and then log on at user login, make your selections and click download!
Also notice that you can select multiple servers and protocols and ports.