"While working on a project to create tutorials, I needed a way to watch how a user stepped through the process of using an application without being on-site.
"VNC turned out to be a viable solution. I could remotely connect and view all the steps, while conversing about the process over the phone.
"The trouble was there were firewalls at both ends. It would have been easy to just open the port normally used for VNC connectivity (5900) in the firewall, but it's definitely not secure..."
