Vulcan-2.2.6.jar

: Early implementations of fixes for Bedrock Edition players connecting through Geyser. Important Note on Security

: Refining the "Reach" and "KillAura" detections to reduce false positives. Vulcan-2.2.6.jar

The file is most commonly associated with Vulcan Anti-Cheat , a popular high-performance cheat-detection plugin for Minecraft servers. Version 2.2.6 is an older build of this software, which is currently on version 2.9.x as of mid-2026. Overview: Vulcan Anti-Cheat : Early implementations of fixes for Bedrock Edition

Vulcan is designed to monitor player packets and movements to detect unfair advantages. It is widely used because of its multi-version support (1.8 to 1.21+) and low impact on server performance. Key Features Version 2

: Optimized for modern, high-threaded server software.

If you are downloading Vulcan-2.2.6.jar from a third-party source rather than the official SpigotMC or BuiltByBit pages:

: Older versions like 2.2.6 do not receive security updates or compatibility patches for newer Minecraft versions.