Yes, CloudFlare blocks agents completely if they ignore it’s restrictions. The key is scale - CloudFlare has a birds eye view of traffic patterns across millions of sites and can do statistical analysis to determine who is a bot.

I hate the necessity but it works

3 that I’m actually using, on my “Home Server” (Raspberry Pi).

One day I will be migrating the work stuff on VPS over to Docker, and then we’ll see who has the most!

I run pi-hole in docker in the background of our libreelec (Kodi) home entertainment system and it works great. It’s a MUST if you have kids, my son has more freedom to use the internet since I know he is mostly covered by extensive block lists. Using raspberry pi 400, we watch Netflix, play Nintendo games, watch YouTube and have a family hard drive for shared photos and files.