Umango uses FTP passive mode to transfer files from most MFD devices. Passive mode performs communication on the primary port and then the file transfer is performed over a separate data port. Depending on which Umango application you install, you need to open port 55021, 55521 or 50021 for in/out......
[open]When installing Umango, the installer will open the Windows Firewall to allow traffic for the Umango service to carry out it's required functions. However, if you are using a firewall in addition to or instead of the Windows Firewall (Defender) then you will need to manually open some ports. ......
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