ValiMod

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ValiMod

By gaberdOwner

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A lightweight client-server validation mod that enforces required mods and blocks unauthorized client-side modifications during connection handshakes.

Mod Loaders
Minecraft
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About

Description

ValiMod

ValiMod is an advanced server security and synchronization tool for Fabric that ensures connecting clients match the server's required mod environment.

Features

  • Automated Handshake: Verifies client mod lists, version numbers, and active resource pack SHA-1 hashes during login.
  • Anti-Bypass Protection: Enforces a 10-second connection timeout—clients that drop or ignore the handshake request are automatically kicked.
  • Configurable Enforcement: Define required mods, exact versions, allowed mods, or blacklisted mods in config/valimod.json.
  • Smarter Kick Messages: Displays stylized disconnect notices with optional clickable links so players can quickly download missing modpacks.
  • Hot-Reload Support: Reload configuration files instantly using the /valimod reload command without restarting the server.
  • Warning Mode: Toggle enforceKicks to false to log violations without kicking players—perfect for auditing client environments safely.

Configuration

Edit config/valimod.json on your server to set your rules:

{
  "enforceKicks": true,
  "downloadUrl": "[https://modrinth.com/modpack/your-modpack](https://modrinth.com/modpack/your-modpack)",
  "required_mods": [
    "valimod",
    "fabricloader@>=0.15.0"
  ],
  "blacklisted_mods": [
    "xray",
    "freecam"
  ]
}

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Commands
/valimod reload - Reloads config/valimod.json from disk (Requires OP level 2+).