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