Clean Blog: Diagnose SSL handshake failures between Cloudflare and origin servers.

This tool detects and explains SSL handshake failures (error 525) that occur when Cloudflare cannot establish a secure connection to your origin server. It is designed for website owners and administrators who need to quickly identify why Cloudflare is unable to complete the SSL/TLS handshake with their backend.

Error Identification: Clearly displays the 525 error code and confirms whether the issue is on the host side, not the browser or network.
Origin Server Check: Tests connectivity from Cloudflare's edge to your origin server, showing whether the server is reachable and responding.
Configuration Guidance: Provides actionable steps for site owners, including checking SSL certificate validity, verifying cipher suites, and ensuring the origin server supports the same TLS protocols as Cloudflare.
Visitor Information: Offers a simple message for end users to retry later, reducing support inquiries.
Diagnostic Details: Includes the Cloudflare Ray ID and your IP address for troubleshooting and support reference.

Clean Blog

Identifies why Cloudflare cannot establish an SSL connection to your origin server. Helps site owners fix cipher mismatches and configuration errors.

Clean Blog

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