How small a server setup do you mean? This was apparently 20k machines: https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/ http

How small a server setup do you mean? This was apparently 20k machines: https://blog.cloudflare.com/zero-day-rapid-reset-http2-record-breaking-ddos-attack/ https://blog.cloudflare.com/zero-day-rapid-reset-http2-recor... Most web services don't need clever protocol attacks to be downed by 20k machines.