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VisuNet RM Shell 6
System Settings App
Secure Tunnel
The Secure Tunnel establishes a secure connection between the two devices. Desktop sharing 
itself is unencrypted. Secure Tunnel enables encrypted connection. This section is for configur-
ing the Secure Tunnel settings.
Desktop Sharing Connection from a RM Shell 5 to a Shell 6
1. For a desktop sharing connection from a RM Shell 5 to a Shell 6 (with Secure Tunnel enabled), 
the following two settings must be set:
Figure 8.8
Function Description
Enable Further increase of the security
Service status Displays the current status of the Secure Tun-
nel. When enabled, the status is set to "Run-
ning". When disabled, the status changes to 
"Stopped"
Secure Tunnel Port We recommend to use the default setting. If a 
different port is used, the firewall must be 
adjusted.
Use Default Certificate (not recommended) Enable to use the default certificate to secure 
Desktop Sharing. It is recommended to use an 
individual certificate to increase security
Custom Certificate Upload your own trusted root certificate
Please note that only certificates from inside 
the Local Machine Store with private keys are 
allowed
Certificate Information When using a custom certificate (recom-
mended) following certification information is 
displayed: Subject, Issuer, Date, Friendly 
Name