Obtaining certificate chain for ttap2.mtu.edu, one moment while we download the ttap2.mtu.edu certificate and related intermediate certificates...
Refreshing certificate chain and revocation status for ttap2.mtu.edu, one moment while we re-check the ttap2.mtu.edu certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for ttap2.mtu.edu failed
Sorry, the request for ttap2.mtu.edu could not be completed...
We could not load the certificate for ttap2.mtu.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.