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Hey there!

This is super non-production ready! It contains [STDOUT]s in code that may eat your log. Just kidding, but really make sure you don't use it in production. False positives are still a thing, your players might get spammed / kicked. There are some reports of players seeing Herobrine-like creatures. This mod is haunted.

Please test before using!

GolfIV

A Fabric anticheat.

Current checks

For latest info see javadoc.

• Survival

  • yesFall - Re-enables NoFall damage and checks for Jesus hack.
  • checkFlight - Detects flying (flight). No boatfly detection yet
  • noSpeed - Cancels some speed hacks.
  • antiTimer - Checks whether client is using timer check to speed up the game. Probably throws FPs.
  • checkElytraFlight - Detects some elytra hacks.
  • checkForStrangeItems - Prevents players from getting strange NBT items (stacked totems, incompatible enchantments etc.)
  • checkIllegalActions - Checks if player is moving / chatting / hitting while having the inventory open.
  • checkHitAngle - Checks the angle at which player is hitting the entity.
  • checkHitDistance - Checks if player is using reach hacks.
  • checkKillaura - Checks for killaura by summoning a fake player at too high hit accuracy.
  • checkAntiKnockback - Checks for antiknockback hacks. Probably throws FPs.
  • checkWallHit - Checks if player is hitting entity through wall.
  • checkSkinBlink - Checks for skin blinking hacks.
  • removeHealthTags - Removes health tags from entity packets.
  • removeTeleportData - If player teleports out of client's render distance, their coordinates will not be sent to the client.
  • removeEquipmentTags - Removes equipment tags for entities (e.g item durability, enchants, stack size, etc.).

• Creative

  • preventCreativeStrangeItems - Similar to checkForStrangeItems, but blocks all tags except for BlockEntityTag, used for block-picking. All tags are cleared when inventory is opened.

Currently players are kicked out if they are detected for hacking. This will probably change in the future. Wanna help design a punishment system? See #3