Plugin Configs IllegalStack Dupe & Exploits Protection v5.3.3

Block 50+ dupes & exploits: shulkers, portals, illegal items, TNTs, villagers, anti-lag, Folia, 1.8+

ILLEGALSTACK — ANTI-DUPE & EXPLOIT CONFIGURATION​

🛠 Vanilla Exploit Protection for stable servers — v1.8 → latest​

Built by Netherite Labs

Stop dupes, glitch-based exploits, illegal stacks, and crash vectors — while keeping your gameplay friendly to vanilla and modded server setups.
Compatible with Spigot · Paper · Purpur · Leaf · Pufferfish · Gale · Folia

v1.8 → latest — Trusted by 140,000+ downloads worldwide!

MAJOR PROTECTIONS ENABLED​

Portal & Dimension​

Portal dupes • Tripwire dupe • Carpet dupe
Chunk-shifting tricks • End Gateway crash • Nether ceiling exploitation

Entity & Vehicle​

Llama/Donkey dupes • Boat dupes • Minecart dupes
Entity-lag machines • Block-inside-entity glitches

Block & World​

Shulker dupes • TNT dupes • Hopper/dropper dupes
Rail/carpet dupers • Zero-tick farms • Chunk-loading abuse
Bedrock breaking & height exploits

Item & Inventory​

Overstacked items • RNG enchant exploitation
Non-obtainable potions • Illegal NBT removal
NBT item cleanup (books, signs, metadata)

Lag & Crash​

Anvil crash • Hopper load abuse • Furnace crash
End gateway crash • Vibrating block lag • Vehicle crash exploits

Version-Specific Protections​

Supports 1.8–1.21+ with unique fixes per version (1.12, 1.13, 1.14, 1.15, 1.16, etc.)

KEY FEATURES​

✔ Portal Safety – Nether/End portal dupe blocker, portal trap breaker, chunk portal desync protector
✔ Dupe Prevention – TNT, hopper, rail, NBT, piglin, llama, shulker, piston-minecart protections
✔ Villager Protection – Trade exploit fixes & workstation timer stabilizer
✔ IllegalStack Cleaner – Automatically removes illegal items, bad NBT, oversized stacks, invalid attributes
✔ Shulker Control – Prevents shulkers placed inside shulkers, invalid NBT shells, meta-corrupted boxes
✔ Crash Fixes – Patch dozens of vanilla crash exploits: gateways, flint dispensers, minecart stacking, TNT machines
✔ Performance Friendly – Lightweight & optimized for all server types; minimal TPS impact
✔ World Protection – Bedrock breaker, nether roof enforcement, hopper chunk dupe prevention
✔ Highly Configurable – Every protection can be toggled, customized, whitelisted, or permission-controlled

HOW IT WORKS​

Exploit Detection Engine​

Scans for known exploit patterns across all Minecraft versions (1.8–latest).

Item Sanitizer​

Automatically removes oversized stacks, illegal attributes, invalid potion types, renamed NBT items, corrupted books/signs.

Shulker & Inventory Auditor​

Detects and removes:
• Nested shulkers
• Illegal offhand looting interactions
• Invalid enchantments and attributes
• Creative-mode imported items from singleplayer

World & Redstone Abuse Blocker​

• Zero-tick prevention
• Carpet/rail dupe patch
• Hopper + unloading chunk dupe block
• ArmorStand/piston lag stopper
• End-portal destruction by dispenser protection

Version Awareness​

Each version (1.12, 1.13, 1.14, 1.15, 1.16, 1.20.6, etc.) has custom logic & thresholds.

WHAT’S INCLUDED​

• config.yml – Fully rewritten dupe/exploit/lag config with tuned thresholds
• messages.yml – Clean unified alert design (ADDON)
• Add-ons folder – Optional integrations
• Installation guide – Step-by-step setup + best practices
• Scenario reading guide – Explanation of version-specific behaviours
• Plugin downloads – Direct official links (Spigot, GitHub)

Optimized for: Spigot / Paper / Purpur / Leaf / Pufferfish / Gale
Supports Folia (safe mode)

IMPORTANT NOTES​

• No unofficial builds — use official Spigot/GitHub links only
• Configurable whitelists/blacklists for special items
• Supports Slimefun, EpicRename, mcMMO, and other plugins that modify items
• Optional “notify only” mode for exploit observers
• Optional strict mode removes ALL renamed/invalid items unless bypass permission is given

🛠 Product Add-Ons​

Available separately:

• Custom Language Pack → Translated in-game messages
• Nicer Messages Pack → Pre-styled fonts & unified colors
• 🛡 Premium Setup Service → Direct help applying configs
• Priority & AI Support → Faster replies + AI-powered assistant

Bonus for reviews: Leave a review on BuiltByBit + share proof on Discord → unlock 1 free add-on

RELATED PRODUCTS​

• Performance Core Pack – CPU/TPS optimizations
• Mob Optimizers – Reduce AI load, pathfinding & farm lag
• Cleaner Editions – Hopper, redstone, tile entity stability
• Stackers & Mergers – RoseStacker / StackMob tuned configurations
• Anticheat Suite – Grim, Vulcan, NCP, Raytrace, Themis configs

ILLEGALSTACK PROTECTION STATISTICS​

✔ 140,000+ Downloads
✔ 50+ Exploits Blocked
✔ 1.8 → Latest Version Support
✔ 100% Vanilla-Friendly
✔ Folia Ready

🛡 ANTI-DUPE & EXPLOIT PROTECTION FOR STABLE SERVERS!​

Patch dupes, exploit chains, and crash vectors while staying friendly to vanilla + modded servers.