🔒 AstraGuard

The Next‑Gen Free Anti‑Crasher & Exploit Protection for Minecraft Servers

Free anti‑crasher for Spigot/Paper 1.8.x — blocks Netty exploits, window crashes, and item/NBT attacks with async, performance‑first detection.
Lightweight • Scalable • Future‑proof

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✨ Overview

AstraGuard is a modern (free anti‑crasher, Minecraft exploit protection, Spigot 1.8 plugin) security plugin.
It keeps your network stable by detecting and blocking Netty exploits, window packet crashes, and item/NBT abuse — with near‑zero overhead.

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✅ Features

🚫 Anti‑Crash Engine

Blocks malicious packets, oversized payloads, invalid data.

🛡 Exploit Protection

Netty • Item • Window (VarInt, corrupted NBT, invalid IDs).

⚡ Performance‑First

Async checks; tested for 200+ players with <1% overhead.

🔍 Smart Checks

Flood‑A • Netty‑C • Window A/B/C • more.

🧩 Plug & Play

Drop into /plugins — works instantly, no config.

📊 Scale Ready

Handles heavy packet loads on large networks.

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📦 Requirements

• Server: Spigot/Paper 1.8.x
• Dependencies:
  • PacketEvents

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⚡ Quick Start

1. Download the latest .jar from Releases.
2. Place it in your server’s plugins/ folder.
3. Install PacketEvents & ProtocolLib.
4. Restart — AstraGuard is active immediately.

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📊 Performance & Security

• Stress‑tested with 200+ concurrent players.
• <1% CPU overhead under heavy load.
• Mitigations: Netty exploits, window spam/crashes, corrupted NBT items.

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🔮 Roadmap

• Support newer Minecraft versions
• Advanced exploit analytics
• Discord alerts

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❓ FAQ

Does it need configuration? — No, plug‑and‑play with safe defaults.
Which versions are supported? — Spigot/Paper 1.8.x.
Is it open‑source? — Yes, MIT License.

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🔎 SEO Summary

Free anti‑crasher for Minecraft servers with Minecraft exploit protection targeting Netty crash fix, window packet exploits, and item/NBT crashes.
Drop‑in plugin for Spigot/Paper 1.8.x, lightweight and scalable for large networks.

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🤝 Contributing

Contributions welcome! Fork the repo, create a branch, and open a PR.
Found an issue? Report it via GitHub Issues.

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📜 License

MIT License © 2025–2030 AstraGuard. See LICENSE.