[skottenborg]

I'm not sure HTTPS is an option for this as it requires accurate time/date for encryption. Maybe the RTC could be valid, but I'm not sure it handles different time zones well and it might have lost time anyways.

[Arnavion]

HTTP support is implemented by an EFI driver, so it's up to the UEFI to provide it in a way that works. The UEFI spec allows both HTTP and HTTPS URLs.

[1970-01-01]

I would classify something that doesn't care what century it's booting into as an unimportant device. If the clock is off by a lot, it still should not boot over network.