SSL/TLS

Certificate errors, expired or mismatched certificates, and TLS handshake failures.

SSL error: how to find the cause and fix itAn "SSL error" means your browser or tool could not validate the server's certificate, or the secure handshake did not finish. As a visitor, check the device clock, try another network and update your system. If you run the site, the usual culprits are a missing intermediate certificate, an expired certificate, or a name that the certificate does not cover.NET::ERR_CERT_AUTHORITY_INVALIDNET::ERR_CERT_DATE_INVALIDNovember 1, 2026

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