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