Hi rrarsena1981. We have verified this 10666 port but Videotron doesn't block it. Here are the ports that Videotron is blocking:
The incoming blocked ports are 25 (SMTP), 80 (HTTP), 35 (DCOM) ,137-138-139 (NETBIOS), 161-162 (SNMP), 445 (SMB) ,1080 (PROXY),
and outcoming 25 (SMTP) with the exeption of the s videotron.ca domaine name, 135 (DCOM), 139 (NETBIOS), 445 (SMB), 4444 (BLASTER).
-Cedrik