in reply to daniel:// stenberg://

It probably will not be a problem in practice because the machines will die at some point and have to replaced with more modern kit and software. Also, there is a lot of financial incentive to not replace if they are still working.

The scenario is that a server upgrades to use a new cipher-suite but the curl does not understand it. In theory, the server should allow a cipher-suite downgrade but there is no guarantee they will.

A vendor could force new sales.

"Sorry, but your machine is too old to patch, you need to replace. See our sales brochure"

There must be a lot of folk that are not in position to upgrade their linux kit too.

zdnet.com/article/linux-4-14s-…

in reply to SpaceLifeForm

@SpaceLifeForm lots of devices and services die all the time when they cannot be updated but the services they need to connect to, upgrade and require a more modern protocol, cipher or handshake. It's not new and it's not special for curl. Even things that actually *can* be upgraded will be abandoned because it is not financially beneficial. For example mobile phones.