ModsJava

ULTIMATE AUTH

UltimateAuth is a powerful, modern authentication system for offline-mode Minecraft servers. Packed with security features, full spawn control, IP-based…

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UltimateAuth is a powerful, modern authentication system for offline-mode Minecraft servers. Packed with security features, full spawn control, IP-based registration limits, movement lockdown, blindness effects, and a polished user experience.

ULTIMATE AUTH is a free Minecraft Java mod. Compatible with Minecraft 1.21, 1.21.1, 1.21.2, 1.21.3 and newer. Downloaded 263 times (via Modrinth). Download it and open it directly in the game.