Can 3rd parties channel requests through their account to my AWS server?

What is the issue you’re encountering

Hello, I made cloudflare ips the only acceptable ips to contact my AWS server… but I wonder if someone can create a cloudflare account, and channel their malicious payloads to my server effectively bypassing my firewall… can AWS be configured to stop this? I need to authenticate that my AWS server is being reached by MY cloudflare account.

You can use Authenticated Origin Pull (use your own certificate, not the Cloudflare one)…

Or use a tunnel so you don’t need to allow any IPs…

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