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