Obtaining certificate chain for ilearn.lst.ncu.edu.tw, one moment while we download the ilearn.lst.ncu.edu.tw certificate and related intermediate certificates...

Revocation check via OCSP and CRL for ilearn.lst.ncu.edu.tw failed

Sorry, the request for ilearn.lst.ncu.edu.tw could not be completed...

We could not load the certificate for ilearn.lst.ncu.edu.tw, it might not exist or we could not reach the server, complete the TLS handshake, etc.

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Created by Paul van Brouwershaven
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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.