Here is a list of ports used by vPro:
80 Standard HTTP Port (Web UI)
443 Standard HTTPS Port (Web UI in SSL mode)
9971 Default port used by SCS/SCA (configurable)
16992 SOAP commands in SMB mode
16993 SOAP commands in TLS/Enterprise mode
16994 IDE-Redirection in SMB mode
16995 IDE-Redirection in TLS/Enterprise mode
56666 Serial over LAN (SOL)
Hope that helps....