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AntiXray

Mod

A lightweight mod that allows server owners to combat xrayers.

Type

Mod

Modrinth Downloads

442,082

Modrinth ID

sml2FMaA

Last Updated

Apr 13, 2026

Description

Anti Xray

Anti Xray is a lightweight fabric mod that allows server owners to combat xrayers.

Config

# Default values enabled = false # World specific values [overworld] enabled = true engineMode = 3 maxBlockHeight = 256 updateRadius = 2 lavaObscures = false hiddenBlocks = ["#c:ores", "raw_copper_block", "raw_iron_block", "raw_gold_block", "!#antixray:hidden_only_ores"] replacementBlocks = ["#antixray:hidden_only_ores", "stone", "deepslate", "andesite", "calcite", "diorite", "dirt", "granite", "gravel", "sand", "tuff", "mossy_cobblestone", "obsidian", "clay", "infested_stone", "amethyst_block", "budding_amethyst", "chest"] [the_nether] enabled = true engineMode = 1 maxBlockHeight = 128 updateRadius = 2 lavaObscures = true hiddenBlocks = ["ancient_debris", "nether_quartz_ore", "nether_gold_ore", "gold_block", "gilded_blackstone"]

Config option overview

enabled if set to true anti xray will be active in the specified world

engineMode can either be 1, 2 or 3 see [Engine Modes](#Engine Modes)

maxBlockHeight controls the max height at which blocks should get obfuscated

updateRadius controls how many blocks away from shown blocks obfuscation should start (if your players see fake ores it is recommended to increase this value)

lavaObscures if set to true blocks next to lava will get obscured

hiddenBlocks a list of blocks to hide (Engine mode 1) or a list of blocks to use for obfuscation (Engine mode 2/3)

replacementBlocks is a list of blocks that will be obfuscated, but not used as fake blocks (Engine mode 2/3 only)

Blocks / block tags can be prefixed ! to remove them from the block list. The rules are applied from left to right, removals should be specified after additions. (since 1.4.10)

Engine Modes

Info Image Anti xray disabled: This is just for reference EngineMode 1: This mode will replace all fully obscured (no air around) blocks from hiddenBlocks with blocks from replacementBlocks EngineMode 2: This mode will replace all blocks from hiddenBlocks and replacementBlocks with random blocks from hiddenBlocks EngineMode 3 (recommended): Works very similar to engine mode 2, but works better with slow connections

Legit player view: Legit players wont notice any changes when this mod is installed (unless they have high ping or modify a lot of blocks at once, eg: explosions)

Custom Dimensions

To configure antixray in custom dimensions, specify the dimension id like this: ["custom:cool_world"]

Mod Developers

Ore blocks added to the #antixray:hidden_only_ores block tag will be hidden from the world, but not used as fake ore. This can be useful if your ore has effects, such as particles or sounds, that could cause problems. (since 1.4.10)

About

This mod is a port of Papers Async Anti Xray Patch from 1.17 and it's 1.14 patch for networking code, to fabric and forge

Compatibility

Mod Loaders

Fabric Forge Neoforge Quilt

Game Versions

1.16.5 1.17 1.17.1 1.18 1.18.1 1.18.2 22w11a 22w12a 22w13a 22w14a +44 more

Screenshots

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Included in Modpacks

External Resources