Gconftool-2 -set -type=int /desktop/gnome/remote_access/alternative_port sudo lsof -i -P -n | grep LISTEN Updated after answer from have tried following without being able to change the listening port: gconftool-2 -set -type=bool /desktop/gnome/remote_access/use_alternative_port true Now I have installed a new Dell EMC server with Ubuntu 22.04 LTS server, and it looks like I cannot use the dconf-editor to open the listening ports for VNC-server, at least I cant find the port under org>gnome>desktop>remote-access after installing dconf-editor. We are using TightVNC for windows clients.

The router is set up with port-forwarding to the different IP addresses.

The ports are of course open in the firewall.

I have used dconf-editor to make the listening ports for VNC. I have until now been running on Ubuntu servers 20.04 and lower, where I have used headless server settings, with SSH access, with specific ports for each server for terminal commands, and VNC with specific ports for remote desktop.

Ubuntu 20.04 install vnc server