SSL cert issues

Jan Schaumann jschauma at
Wed Sep 21 15:59:08 UTC 2022

Mark Stevens <manager at> wrote:
> Is anyone else getting the following error when trying to access any of
> google's services?

Isn't this usually a sign of a protocol mismatch?
I.e., TLS 1.3 vs TLS 1.2.

My money would be a MitM / middlebox / proxy that
messed up when your client tried to talk 1.3 to
Google, but the middlebox can't talk 1.3 and tried to
downgrade or something like that.


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