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