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