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