AntiXray
ModA lightweight mod that allows server owners to combat xrayers.
Type
Mod
Modrinth Downloads
575,610
Modrinth ID
sml2FMaA
Last Updated
Sep 11, 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
Game Versions
Recommended Gear
AffiliateHardware and extras that pair well with this mod.
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Screenshots
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