Obtaining certificate chain for sid.bathspa.ac.uk, one moment while we download the sid.bathspa.ac.uk certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for sid.bathspa.ac.uk, one moment while we re-check the sid.bathspa.ac.uk certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for sid.bathspa.ac.uk failed
Sorry, the request for sid.bathspa.ac.uk could not be completed...
We could not load the certificate for sid.bathspa.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.