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IGEL UMS and Devices: Shadowing Communication Flow

Owned by Christina Loher (Deactivated)
Last updated: May 31, 2024 by Emese Pogany
1 min read

IGEL OS 12

Shadowing of IGEL OS 12 devices is always secure, i.e. via the Unified Protocol. The communication is always encrypted. See UMS and Devices: Secure Shadowing. 

IGEL OS 11 or Earlier

UMS Console

The UMS Console initiates a VNC session with the device. The standard port is 5900 (TCP); the port can be changed per session.

The following figure illustrates the communication between the UMS Console and a device:

UMS Web App

The UMS Web App requests the UMS Server to initiate a VNC session for shadowing. The VNC session is routed through the UMS Server; between the UMS Web App and the UMS Server, the data is transferred via WebSocket. The default port for the communication between the UMS Server and the devices is 5900 (TCP).

The following figure illustrates the communication between the UMS Web App, the UMS Server, and a device: