NetIQ Privileged User Manager
What Ports Need To Be Open For RDPRelay with PUM?
With Privileged User Manager (PUM), a workstation with a browser connects to a PUM server running RDPRelay, which relays the Remote Desktop session through the PUM Server to a Windows server with Remote Desktop Enabled.
The PUM Server needs to have port 13389 open.
The Windows Server needs to have port 3389 open.