Obtaining certificate chain for cbs360.gsb.columbia.edu, one moment while we download the cbs360.gsb.columbia.edu certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for cbs360.gsb.columbia.edu, one moment while we re-check the cbs360.gsb.columbia.edu certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for cbs360.gsb.columbia.edu failed
Sorry, the request for cbs360.gsb.columbia.edu could not be completed...
We could not load the certificate for cbs360.gsb.columbia.edu, 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.