On 02/12/2019 12:40, Nikos Mavrogiannopoulos wrote: > Isn't that the same as https://gitlab.com/gnutls/gnutls/issues/829 ? No; that was asking how the server could tell if the client requested stapling. This is a problem where an apparently invalid stapling (from the server) is being regarded as valid by the client. -- Cheers, Jeremy