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