HI Rikk
This thread has a list of many ports you can use, however you also
can use WinMX standard ports with most Cable companies..just depends
Standard ports:
TCP 6699
UDP 6257
Thread for Non Standards to try:
https://forum.winmxworld.com/index.php?topic=1206.0.htmla couple I have had good luck with are
1720 TCP
3339 UDP