Obtaining certificate chain for paineira.ufop.br, one moment while we download the paineira.ufop.br certificate and related intermediate certificates...
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Revocation check via OCSP and CRL for paineira.ufop.br failed
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We could not load the certificate for paineira.ufop.br, 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.