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