Thanks for the scenario, that helped a great deal to see your end goal.
VPN. No question, your use case is exactly why we put the VPN client into EPIC.
Chapter 7 of the groov EPIC Users Guide (Doc 2267) is the networking chapter, it will guide you on how to configure the VPN for your server.
We don’t offer a VPN server software, there is plenty to chose from. To experiment, we spun up an AWS instance of OpenVPN and it works fine.
If you have an IT department, check with them, they may already have a VPN server up and running.