: Look for plugins that offer "Geyser" support if you allow Bedrock players.
(an open-source fork of Spigot) provides built-in performance optimizations that help servers handle sudden traffic spikes better than vanilla software. Firewall Configuration : Using a firewall like (Linux) or Comodo Firewall minecraft bot attack free
If you are running a server and want to keep it "bot-free" without spending money, these are your best options: Vulcan Anti-Cheat (Trial/Free alternatives): Many free plugins like : Look for plugins that offer "Geyser" support