Filter the decryption logs for certificate revocation errors.
Select Log
Viewer, and then select
Firewall/Decryption.
In the search field, enter the following query: Error
Message = ‘OCSP/CRL check: certificate revoked’.
(Optional) Double-check the certificate expiration date at the Qualys
SSL Labs site.
Enter the hostname of the server (Server Name
Identification column of the decryption log) in the
Hostname field and Submit
it to view certificate information for the host.
