Plugin RaLP

RaLP, secure authentication for Minecraft servers

RaLP, short for Register and Login Plugin, is a Java authentication plugin for Spigot and Paper servers running Minecraft 1.17.1 through 1.21.x. It requires players to create an account and authenticate before accessing normal server gameplay, helping protect profiles from unauthorized access.

The plugin stores passwords with BCrypt hashing instead of plain text, adds protection against repeated failed attempts, and supports session management with optional trusted device auto login. Commands cover registration, login, password changes, and administrative controls. With multilingual messages and a focused security role, RaLP gives our BoxToPlay Minecraft server a clear and lightweight protection layer.