HTTP 525 SSL Handshake Failed (Cloudflare)

Cloudflare-specific: the TLS handshake with the origin failed.

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Code
525
Name
SSL Handshake Failed (Cloudflare)
Category
5xx โ€” Server error

How to fix / what to check

Check the origin certificate and TLS configuration; make sure port 443 serves a valid certificate.

See the status code yourself

curl -sS -o /dev/null -w '%{http_code}\n' https://example.com/path

Add -v to see the full request and response headers.

โ† All HTTP status codes