Client TLS Negotiation Issue


I have infra setup like this Cloundflare (CF, CDN) → AWS ELB (Origin).

Since 3 months i am getting random Client TLS negotiations error in AWS ELS (Origin). Issue start and continues for 2 - 3 days, then automatically sort. AWS document said issue from Client. In this scenario CF (CDN) is client. But After contacting CF support they are not able to trace the error.

I am sharing AWS 3 and 6 months report for reference with document link. Please help to understand this errors.


I don’t think we can provide much feedback, we know that there is a tls negotiation error but, that can be caused by many different reasons.

What does CF show?

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