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