Tool to check what ports are blocked or listening on the machine hosting the PrinterOn Enterprise solution. - c06236100
PortQry is a light and quick tool offered by Microsoft to scan UDP and TCP ports across the network. Note that, PortQry is a one way test and can be used to scan any ports between servers, PCs, switches, and phones.
The screenshot illustrates the target IP address, selected ports, and type of protocol.
https://www.microsoft.com/en-us/download/details.aspx?id=24009
NOTE:
Applies to PrinterOn Enterprise 3.x and later.