Vulcan Anti Cheat Plugin (1.21.8, 1.20.1) is an advanced anti-cheat system operating at the packet level, designed to detect and prevent cheating behaviors such as speed hacks, flying, or autoclicking. This plugin stands out for its high performance, extensive customization options, and user-friendly in-game interface.

Features:

  • Vulcan analyzes packets to identify behaviors that exceed the limits of vanilla Minecraft, such as illegal reach, kill aura, or speed hacks. By default, it operates in “silent” mode, logging violations without intervention, but can enable “setback” mode to actively counter cheating.
  • With detailed configuration files and an extensive API, nearly every aspect of Vulcan can be tailored, from check sensitivity to violation notifications. The in-game GUI (/vulcan gui) allows for editing settings and punishment commands without requiring a server restart.
  • Vulcan runs most tasks on separate threads, ensuring minimal impact on server performance. For example, on a 1.16.4 server with 180 players, Vulcan uses only 3.47% of a tick, equivalent to less than 0.02% tick per player.
  • It can identify client brands (e.g., LunarClient) to flag suspicious clients, though accuracy is not 100% guaranteed due to potential spoofing by hackers.
  • Allows banning players in batches, useful for managing widespread violations.
  • Records all violations and punishments in an easy-to-read format, providing information such as ping, TPS, and check details.

Screenshost:

Commands:

  • /alerts | vulcan.alerts | Toggles Vulcan alerts on and off.
  • /verbose | vulcan.verbose | Toggles Vulcan verbose messages on and off.
  • /jday add (Player nickname) | vulcan.jday | Adds a player to Judgement Day.
  • /jday execute | vulcan.jday | Starts Judgement Day.
  • /logs (Player nickname) (page) | vulcan.logs | Reads player logs from the violations file.
  • /punishlogs (Player nickname) | vulcan.punishlogs | Check player punishment from punishments.txt.
  • /vulcan help | vulcan.help | Shows Vulcan help command.
  • /vulcan menu – /vulcan gui | vulcan.menu – vulcan.gui | Open Vulcan GUI.
  • /vulcan reload | vulcan.reload | Reloads the Vulcan configuration file.
  • /vulcan disablecheck (check name) | vulcan.disablecheck | Disable the check from running.
  • /vulcan freeze (Player nickname) | vulcan.freeze | Freeze the player, depriving him of the ability to move.
  • /vulcan ban (Player nickname) | vulcan.ban | Bans a player via Vulcan.
  • /vulcan violations (Player nickname) | vulcan.violations | View all violations noted by the player.
  • /vulcan cps (Player nickname) | vulcan.cps | Show the player’s CPS.
  • /vulcan knockback (Player nickname) – /vulcan kb (Player nickname) | vulcan.knockback – vulcan.kb (player) | Check the player for anti-knockback.
  • /vulcan checks | vulcan.checks | Show all Vulcan checks
  • /vulcan reset | vulcan.reset | Reset violations of all online players.
  • /vulcan clickalert (Player nickname) | vulcan.clickalert | Custom lists of commands that will be executed when clicking on the warning message
  • /vulcan top | vulcan.top | Shows a list of users with the most violations

Requireds:

Packet Events API Plugin

How to install:

Vulcan Anti Cheat Plugin (1.21.8, 1.20.1) Download Links

For All Versions from Minecraft 1.8 to Minecraft 1.21.8, 1.21.7

Paper Version: Download from Server 1 – Download from Server 2

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