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