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