At a minimum I'd like cloudflare to mark such traffic in some way, and browsers to put a little cross through the "Https" indicator to show the traffic is passing unencrypted across the internet.
• consistent • not overly serious, so users who end up trained to ignore this new signal don't automatically ignore more significant warnings • (and this is the fun part) communicate this new semaphore signal to the general public without confusing them…
To head off one cynical question: “Why worry about the general public when they wouldn't care anyway and just click through warnings with wreckless abandon already?” - if not the general public then who would this be for? Those who might need to care are already checking if their data is going through CF and so might not to under true E2EE.
cf-http-endpoint: 1
or if you want it to match their own terminology[0], it could be: cf-encryption-mode: off/flexible/full/full-strict/strict
[0]: https://developers.cloudflare.com/ssl/origin-configuration/s...