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In this article from Cloudflare, IP rotation is mentioned as a way to protect web servers. How does that work? Is this the same as ordinary load-balancing with failover, or something else?

dsign
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    Everything I can find about IP Rotation is from the perspective of the client. That is, using a variety of IP addresses in a proxy setup, so the servers you are connecting to (for webscraping or perhaps more nefarious purposes) don't detect and block you. I can't find anything about it as a security measure from the server perspective. As you mentioned, maybe they are using the term as an awkward way to refer to load balancing. Or maybe round-robin DNS. I suggest asking Cloudflare for clarification, as that might shed some light. – Doug Deden Jun 18 '19 at 18:44

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No, IP rotation doesn't work for web servers. Public web sites need to expose something to be accessible, likely a load balancer or proxy in front of web servers.

Cloudflare meant to contrast it with their origin hiding HTTP2 tunnel. All access is through their security oriented network.

John Mahowald
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