How to check for cloud IPs in nginx
I’m currently busy mitigating a stats manipulation on OctoPrint, and one of the steps I’m taking is blocking off several cloud options from accessing the tracking endpoint - and only that. Since we are talking about several thousand of IPs here in at least 1.5k of CIDR ranges, I was looking for the best way to do that that wouldn’t cause a lot of performance impact - the tracking server needs to be fast....