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importantSYS.SOURCE: Cloudflare Blog• 2026-09-14T17:02:34Z

Cloudflare Automatic Key Exchange Reduces Origin HelloRetryRequests by 93%

#tls#post-quantum#security#cloudflare#networking

Cloudflare's Automatic Key Exchange (AKE) reduces origin HelloRetryRequests from 52% to 3.7% by dynamically selecting optimal TLS 1.3 key agreement algorithms. The feature prioritizes post-quantum secure connections when supported by origins, enhancing both performance and cryptographic resilience.

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