LPX AntiPacketExploit v3.8.1

#1 BuiltByBit Plugin ~ Protects your server from crash packet exploits ~ Folia Support
  • Fixed item/book flood falses using real item size instead of the total packet
  • Improved smart item disable decoding thresholds
  • Added new CreativeH/I checks
  • Added new NBT checks for a few modern packets
  • Fixed silent exceptions while joining on 1.8 servers with 26.x clients
This version was not heavily tested so take it as a BETA version. I will announce in the discord when I will consider this version as safe to use. Update at your own risk and open a ticket for any question.

  • Added MiniMessage formatting support for alerts, commands and inventories
  • Escaped unsafe MiniMessage values to avoid broken formatting from untrusted content
  • Improved violations GUI loading and allowed deleting violations directly
  • Added /lpx tab completion
  • Improved PacketEvents exception logging through LPX logs
  • Fixed packet exception throttle getting extended incorrectly
  • Updated PacketEvents
  • Reworked FloodB packet profile handling and related config values
  • Added new ItemK and WindowE checks
  • Reduced inventory flood false positives in FloodC, FloodG and WindowB
  • Added configurable heavy packet logging thresholds
  • Improved inventory gradient formatting for legacy colors
  • Reworked flood counters around rolling windows to tighten detection in BookB, FloodA, FloodB, FloodC, FloodD, FloodF, FloodG and PayloadB
  • Aligned config fallbacks across multiple checks
  • Centralized and tuned item flood multipliers across flood and item checks
  • Fixed cancelled packet log formatting
  • Added client version to packet logs
  • Added support for 26.1 clients
  • Updated packetevents
  • Fixed dimension_type exception
  • Fixed painting variant exception
  • Improved NBT packetlogging in certain cases
  • Reworked ItemG/H to actually work in the correct way
  • Reworked ItemC to reduce false flags
  • ItemJ now works correctly for every version
  • Packet logger no longer logs the same packet multiple times in rare situations
  • Packet logger now parses ItemStacks in a better and complete way for modern versions (you get crashed? logs will tell the complete truth :D)
  • Fixed WindowD rare NPE
  • Completely removed skipComponentDecoding feature, was causing issues and it was poorly made
  • Fixed item-strip beta feature that was clearing also components
  • Fixed Book0
  • Made a few checks adaptable based on the client and server version
  • Fixed payload processing state getting stuck in rare error scenarios
  • Implemented config updater
  • Updated PacketEvents
  • Improved packet logger for itemstacks
  • Reduced FloodC/G falses for newer server versions
  • Reworked FloodB behavior and config values
  • Optionally log cancelled packets
  • Fixes to Book0 and PayloadG checks
  • Added a configurable list to ignore specific heavy packet logging
  • Added new item-strip feature to strip items sent from the server to the client when opening inventories
  • Many improvements to all Flood checks
  • Fixed tons of new potential exploits
  • Updated PacketEvents
  • Fixed 1.16 server support
  • Added support for 1.21.11
  • Fixed lang3 ClassNotFound errors
  • Fixed unknown message color translation
  • Added a way to exempt some components to be cleared from creative mode
  • Updated PacketEvents
  • Fixed /lpx gui opening in older versions
  • Improved FloodG with burst mode option setting
  • Improved default config
Buy a license now
$19.97
EULA
Standard EULA
Use on any projects you own with attribution
Support
Standard
Includes:
Download the resource
Access new updates
Support from the creator
Support duration
Lifetime
Share and earn
Refer this resource and earn a 10% commission.
391,881 Views
4,166 Purchases
4,330 Downloads
Jun 8, 2020 Published
May 7, 2026 Updated
5.00 star(s)
Average rating (140)
8.1 MB File size
Open source
  1. No
DRM-free
  1. No
Unobfuscated
  1. No
Type
  1. Protection
  1. Staff
  1. Patch
Supported software
  1. Paper
  1. Folia
  1. Purpur
Supported versions
  1. 1.21.11
  1. 1.21.8
  1. 1.21.5
  1. 1.21.4
  1. 1.21.2
  1. 1.21
  1. 1.20
  1. 1.19
  1. 1.18
  1. 1.17
  1. 1.16
  1. 1.15
  1. 1.14
  1. 1.13
  1. 1.12
  1. 1.11
  1. 1.10
  1. 1.9
  1. 1.8
Supported languages
  1. English
Creator
Owner
Recommended for you
Create items, blocks, mobs, emojis, and more with automatic resourcepack generation!
5.00 star(s) 52 ratings
3,082 purchases
Protect your server from crash/dupe/packet exploits with the ultimate security fix plugin.
5.00 star(s) 44 ratings
3,025 purchases
High Performance | Customizable | Cross-Version | GeyserMC | Folia Support
4.50 star(s) 72 ratings
2,800 purchases
All-in-one dungeon creator. Create unlimited, timed dungeon experiences with your own builds
4.50 star(s) 72 ratings
2,569 purchases
The ultimate chat formatting, filtering & anti-spam. Can replace 200+ plugins. Folia supported.
5.00 star(s) 127 ratings
2,245 purchases
Share and earn
Refer this resource and earn a 10% commission.
391,881 Views
4,166 Purchases
4,330 Downloads
Jun 8, 2020 Published
May 7, 2026 Updated
5.00 star(s)
Average rating (140)
8.1 MB File size
Open source
  1. No
DRM-free
  1. No
Unobfuscated
  1. No
Type
  1. Protection
  1. Staff
  1. Patch
Supported software
  1. Paper
  1. Folia
  1. Purpur
Supported versions
  1. 1.21.11
  1. 1.21.8
  1. 1.21.5
  1. 1.21.4
  1. 1.21.2
  1. 1.21
  1. 1.20
  1. 1.19
  1. 1.18
  1. 1.17
  1. 1.16
  1. 1.15
  1. 1.14
  1. 1.13
  1. 1.12
  1. 1.11
  1. 1.10
  1. 1.9
  1. 1.8
Supported languages
  1. English
Creator
Owner
Recommended for you
Create items, blocks, mobs, emojis, and more with automatic resourcepack generation!
5.00 star(s) 52 ratings
3,082 purchases
Protect your server from crash/dupe/packet exploits with the ultimate security fix plugin.
5.00 star(s) 44 ratings
3,025 purchases
High Performance | Customizable | Cross-Version | GeyserMC | Folia Support
4.50 star(s) 72 ratings
2,800 purchases
All-in-one dungeon creator. Create unlimited, timed dungeon experiences with your own builds
4.50 star(s) 72 ratings
2,569 purchases
The ultimate chat formatting, filtering & anti-spam. Can replace 200+ plugins. Folia supported.
5.00 star(s) 127 ratings
2,245 purchases
Top