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