Currently, there is just a fixed range of ports that it will use if they are open and you don't pass `--no-tcp`. It does its own encryption over the TCP connections. Also worth knowing is that for some connections (e.g. if there are any dropped packets), you may get much better performance if you can enable BBR congestion control. https://greaber.github.io/syq/server-tuning.html#test-conges...