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