Obtaining certificate chain for liverpoolstreet.unn.ac.uk, one moment while we download the liverpoolstreet.unn.ac.uk certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for liverpoolstreet.unn.ac.uk, one moment while we re-check the liverpoolstreet.unn.ac.uk certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for liverpoolstreet.unn.ac.uk failed
Sorry, the request for liverpoolstreet.unn.ac.uk could not be completed...
We could not load the certificate for liverpoolstreet.unn.ac.uk, it might not exist or we could not reach the server, complete the TLS handshake, etc.
Revoked certificates can't and should not be trusted, these certificate will cause errors like "NET::ERR_CERT_REVOKED" in browsers and expose a security risk.