An SSL/TLS handshake error means the browser and server failed to negotiate a secure connection — visitors see "ERR_SSL_PROTOCOL_ERROR" or "SSL_ERROR_HANDSHAKE_FAILURE_ALERT" and cannot access your site. Common on Indian hosting when SSL certificates are misconfigured or server TLS settings are outdated.
TLS version mismatch: Your server only supports old TLS 1.0 or 1.1, which modern browsers reject. Fix: enable TLS 1.2 and 1.3 on server.
Expired intermediate certificate: The SSL certificate chain is broken — your certificate is valid but the intermediate CA certificate has expired.
Cipher suite incompatibility: Server only supports cipher suites not supported by the client's browser version.
Incorrect certificate installation: Certificate installed for wrong domain, or certificate file is corrupted.
Use SSL Labs (ssllabs.com/ssltest/) to get a full report of your SSL configuration. It shows exactly what's wrong and how to fix it.
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