Intermittent 525 errors

About 75% of our requests are failing with 525 Origin SSL Handshake failures. I read the troubleshooting article, and everything looks fine. Other CNAMEs on my domain are having no problems. Are others in the community experiencing this?

You can find more details on the error 525 here:

This error is thrown when:

  • there is an error with the certificate itself (the error would then be permanent)
  • there is an error during the TLS handshake (and the error might then be intermittent)
    I would then recommend you to check the SSL logs at the origin server for any error.
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