Obtaining certificate chain for sslvpn.zentrale.bfz.de, one moment while we download the sslvpn.zentrale.bfz.de certificate and related intermediate certificates...
Revocation check via OCSP and CRL for sslvpn.zentrale.bfz.de failed
Sorry, the request for sslvpn.zentrale.bfz.de could not be completed...
We could not load the certificate for sslvpn.zentrale.bfz.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.