If you self-host on Linux, you can configure the Built-in Uncomplicated Firewall (UFW) to limit connections. Commands can be set up to drop IPs that open too many concurrent connections to port 25565.
Before you can defend against a threat, you need to understand what you're facing. A Minecraft bot attack, often part of a DDoS (Distributed Denial-of-Service) assault, is an automated attempt to overwhelm your server with malicious traffic. Attackers use —networks of compromised computers—or scripted tools to send an overwhelming number of connection requests (JOIN Floods) to your server.
Never give out your server's raw numerical IP address. Always use a specialized proxy service designed for Minecraft traffic.
Add rate-limit=10 in server.properties and restart again. minecraft bot attack free
Before installing any plugins, use what Mojang gives you for free. Your server.properties file contains powerful anti-bot settings that most beginners ignore.
Protecting a server from free bot attacks (DDoS or join spam) requires a layered defense strategy beyond simple whitelists or standard plugins. Essential Anti-Bot & DDoS Protection
The landscape of Minecraft bot defense has evolved. You no longer need to spend hundreds of dollars on premium plans to keep your world safe. By combining open-source plugins like , lightweight tools like Sonar , and free services like LaunchMC , you can create a fortress-level security posture for your server at zero cost. If you self-host on Linux, you can configure
: Flooding the network with heavy packet requests to trigger fatal out-of-memory errors or server timeouts.
Use a proxy like or BungeeCord as the front door to your server.
I watched the Admin type the command into the console. It wasn't a ban command—you can't ban a tsunami with a bucket. They activated the Shield. A Minecraft bot attack, often part of a
Offline-mode actually gives you more free options because you can use captcha plugins without worrying about Mojang session conflicts.
If bots managed to join and spawn items or characters, use /minecraft:kill @e[type=player] (tailored to non-staff) or restart the server to clear memory leaks. Long-Term Security and Conclusion
An easy-to-use Python app that lets you connect as many bots as you want using SOCKS4/5 proxies to simulate real-world attack scenarios.
By combining these steps, you can focus on building and adventuring without worrying about the next wave of automated griefers. a specific Anti-Bot plugin like Bot Attacks - Radware