What is the purpose of a Cloudflare Origin Server Private Key?

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Grade: Education Subject: Support
What is the purpose of a Cloudflare Origin Server Private Key?
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The Cloudflare Origin Server Private Key is used to verify that requests coming *from* Cloudflare to your origin server are legitimate and haven't been tampered with. It's part of the Mutual TLS (mTLS) authentication process, ensuring only Cloudflare can directly access your origin, enhancing security and preventing direct attacks.