KeranAntiXray (Folia / Paper 1.21+)

KeranAntiXray is a high-performance Anti-Xray and Anti-Freecam plugin designed specifically for Paper, Folia, and Canvas 1.21+. It provides advanced Nether Roof protection to prevent players from using Freecam to inspect areas above or below the bedrock layer.

Core Features

World-Based Anti-Xray

• Separate configuration for:
• Overworld
• Nether
• Hide blocks below a configurable Y-level
• Optimized for high-performance servers

Nether Roof Protection (Anti-Freecam)

When a player is below the bedrock roof:

• All blocks above the configured roof Y-level are sent as AIR
• Freecam cannot see bases or builds on the Nether roof When the player climbs above the bedrock roof:
• Full chunk data is restored automatically
• No interference with legitimate roof gameplay

• ⚡ Compatibility

• ✅ Paper 1.21+
• ✅ Folia
• ✅ Canvas
• ✅ Java 21+
• ❌ No ProtocolLib required
• ❌ No external AntiCheat required

⚙ Configuration Example

antixray:
overworld:
enabled: true
world: "world"
hide-below-y: 16
netherworld:
enabled: true
world: "world_nether"
hide-below-y: 16
nether-roof:
enabled: true
roof-y: 128
disable-when-player-above-roof: true
hide-roof-until-player-above-roof: true

Configuration Explanation:

• roof-y → Height of the Nether bedrock roof
• hide-roof-until-player-above-roof → Sends AIR above roof until player climbs up
• disable-when-player-above-roof → Disables restriction once player is above roof ---

Designed For

• Survival Servers
• SMP
• Anarchy
• Skyblock with Nether
• Folia / Canvas performance servers Prevents:
• Freecam roof base scouting
• Xray under bedrock
• Unauthorized structure inspection

Notes

• Operates at chunk data level (server-side)
• Does not modify actual blocks on the server
• Does not interfere with entities
• Fully region-thread safe for Folia