In case you haven’t considered this, some helpful advice.
To keep them from the lemmy.world door after the CDN installation
Change the public IP addresses
rotate your certificates
block all traffic appart from the CDN and only allow a limited known good IP addresses (like yours and your support team).
These steps will make your server harder to find, hopefully they move on.
In case you haven’t considered this, some helpful advice. To keep them from the lemmy.world door after the CDN installation