You mean "copy the photos you have taken but you not want in your device if you would get checked on your way back out to a server in a hostile country " ?

99.99% if the normal tourists do not have a personal server to store their photos. They use a commercial cloud. By using your personal server, you behave differently from 99.99% of the tourists.

" Why do you keep your images to your personal server and not the cloud? What do you have to hide? "