Obtaining certificate chain for jstp30.ksconference.com, one moment while we download the jstp30.ksconference.com certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for jstp30.ksconference.com, one moment while we re-check the jstp30.ksconference.com certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for jstp30.ksconference.com failed
Sorry, the request for jstp30.ksconference.com could not be completed...
We could not load the certificate for jstp30.ksconference.com, 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.