This talk of automation is all well and good for systems that are permanently connected to the internet. Let's say I've got a system on a vessel that will be a

This talk of automation is all well and good for systems that are permanently connected to the internet. Let's say I've got a system on a vessel that will be at sea for two months with unreliable, or no internet connectivity. I want to allow passengers and crew to use this system with their own devices. What do I do then? Use self signed certs, and just tell users to click through the warnings?