> And if the peer follows a standard that says your offered ciphersuites are all insecure, then you're out of luck. Not even that. Many peers disconnect you if

> And if the peer follows a standard that says your offered ciphersuites are all insecure, then you're out of luck. Not even that. Many peers disconnect you if you offer any insecure cipher suite, in order to avoid downgrade attacks[1] presumably. So if such a peer is updated to match this RFC, you'll have to follow the RFC too if you want to talk to them. [1]: https://en.wikipedia.org/wiki/Downgrade_attack https://en.wikipedia.org/wiki/Downgrade_attack