-forcedpms / -clientdpms remote click turns monitors ON untill pointer is moved.

[pguillem]

We are working on Ubuntu 16 to 20. It works VERY well.

When I use option -clientdpms, the remote monitor is turned OFF. However, when the remote user clicks anywhere (uses the click button) the monitor goes back ON, and it stays ON as long as the pointer is not moved. This gives a local attacker (more like an unwanted peeping tom) a good chance to see the monitor content after each remote click event.

It would appear that the DMPS OFF signal is triggered with the "pointer move" event, but not the "click event".

Is there a way I could alter the source code so that any remote input triggers DPMS OFF to keep the monitor OFF at all times?. Else, is there a way to make the host ignore all DPMS ON events for as long as the VNC session is active?

Best! Pedro

[Splarkszter]

Else, is there a way to make the host ignore all DPMS ON events for as long as the VNC session is active?

This would be very usefull too; Or just make the system display nothing on the physical displays and only allow vnc to see the desktop. This is such a critical (and long standing it seems) security issue.