Description

The HTTP response status code 525 SSL Handshake Failed is an unofficial HTTP status code specific to Cloudflare.

The 525 error indicates that the SSL handshake between Cloudflare and the origin web server failed. Error 525 occurs when these two conditions are true:

• The SSL handshake fails between Cloudflare and the origin web server, and
• Full or Full (Strict) SSL is set in the Overview tab of your Cloudflare SSL/TLS app.

See Also

• Cloudflare docs
• SSL Handshake
• Full Strict SSL
• Dynamic DNS updates