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