"Why is my server lagging?" "Why are 200 players joining at once with gibberish names?" "How do I stop this without paying for expensive hosting add-ons?"
Install CaptchaPlugin . Set it to activate only when online players > 15 (to not annoy regulars). Now bots cannot bypass.
Install BotFilter plugin (drag and drop into plugins folder). Restart server. Run /botfilter auto – it learns normal traffic patterns within 2 minutes. minecraft bot attack free
anti_bot: enabled: true throttle_limit: 2 throttle_time: 30000 Many Minecraft hostings (like Oracle Cloud Free Tier, AWS Free Tier, or even a home router) have built-in firewalls. You can configure them at zero cost . 5.1 Fail2Ban (Free, Open Source) Fail2Ban monitors your Minecraft server logs and bans IPs that show bot patterns.
Remember: Bot attackers use free tools, so you can use free defenses. The asymmetry works in your favor because defense is stateless (one firewall rule blocks thousands of bots), while attack requires scaling resources. "Why is my server lagging
Set up iptables or UFW rate limiting (if on a VPS). Use the ufw limit command above.
Target keyword density: "minecraft bot attack free" – 12 mentions (natural integration) Install BotFilter plugin (drag and drop into plugins folder)
iptables -A INPUT -p tcp --dport 25565 -m hashlimit --hashlimit-name minecraft --hashlimit-above 5/second --hashlimit-burst 10 -j DROP connection_throttle: 5000 connection_throttle_limit: 3 This blocks an IP after 3 failed logins within 5 seconds. 4.3 Use Waterfall (a free BungeeCord fork) Waterfall includes built-in anti_bot options: