Obtaining certificate chain for ftp02.iass-potsdam.de, one moment while we download the ftp02.iass-potsdam.de certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for ftp02.iass-potsdam.de, one moment while we re-check the ftp02.iass-potsdam.de certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for ftp02.iass-potsdam.de failed
Sorry, the request for ftp02.iass-potsdam.de could not be completed...
We could not load the certificate for ftp02.iass-potsdam.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.