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On the recordRead 8 Oct 202617 facts
NPN Advanced Packet Protection
On the record
- Architecture
- Each protection module has its own session manager, context system, packet trackers, validators, cancel engine, and violation engine.hangar.papermc.io · read 8 Oct 2026
- Beta status
- NPN is currently in Beta, with additional protection modules and improvements planned for future releases.hangar.papermc.io · read 8 Oct 2026
- Compatibility
- The listing specifies Minecraft 1.20.1–Latest, Java 17 or newer, and Paper, Spigot, Bukkit, or Purpur server software.hangar.papermc.io · read 8 Oct 2026
- Current features
- Listed features include WindowClick protection, session-based detection, packet burst analysis, duplicate and replay detection, packet state validation, fingerprinting and configurable thresholds.hangar.papermc.io · read 8 Oct 2026
- Current protections
- Listed current features include WindowClick protection, session-based detection, packet burst analysis, duplicate and replay detection, packet state validation, and configurable thresholds.hangar.papermc.io · read 8 Oct 2026
- Dependency
- PacketEvents (latest) is required, and the maker says to download it before installing NPN.hangar.papermc.io · read 8 Oct 2026
- Intended servers
- The maker lists SMP, survival, PvP, and network environments as suitable uses.hangar.papermc.io · read 8 Oct 2026
- Latest release details
- Version 5.0.0 adds memory checks, packet-window statistics, packet context metadata, and configurable memory thresholds.hangar.papermc.io · read 8 Oct 2026
- License
- The listing identifies NPN's license as LGPL.hangar.papermc.io · read 8 Oct 2026
- Minecraft and Java versions
- The listed compatibility is Minecraft 1.20.1 to Latest and Java 17 or newer.hangar.papermc.io · read 8 Oct 2026
- Modular design
- Each protection module has a session manager, context system, packet trackers, validators, cancel engine and violation engine.hangar.papermc.io · read 8 Oct 2026
- Not an anticheat
- The maker says NPN focuses on packet protection instead of functioning as a traditional anticheat.hangar.papermc.io · read 8 Oct 2026
- Performance
- The maker describes NPN as lightweight, low memory usage, and optimized for high player counts.hangar.papermc.io · read 8 Oct 2026
- Purpose
- NPN is a lightweight Minecraft server plugin designed to protect against malformed packets, packet abuse, inventory exploits, and protocol manipulation.hangar.papermc.io · read 8 Oct 2026
- Server compatibility
- The listing names Paper, Spigot, Bukkit and Purpur as supported server software.hangar.papermc.io · read 8 Oct 2026
- Status and roadmap
- NPN is marked as in beta; planned features include payload protection, packet flood protection, invalid packet detection and connection abuse protection.hangar.papermc.io · read 8 Oct 2026
- Support
- The maker invites users to report bugs, exploits, and false positives, request installation assistance or features, and join Discord.hangar.papermc.io · read 8 Oct 2026
