Roblox introduced to stop this. Now, the server acts as the ultimate authority. For a script to be "FE," it must communicate from the client to the server using RemoteEvents . The Mechanics of an FE Ban/Kick Script
Due to Roblox's security updates, a script cannot simply "kick" people in a game where you do not have administrative permissions. If a script claims to be an "FE Kick" that works on any game you join as a regular player, it is likely a scam or a "backdoor" script that only works if the game owner accidentally installed a malicious model. How to Safely Implement Admin Scripts fe ban kick script roblox scripts
Never trust the client. Always ensure your server-side script checks if the person firing the "Kick" event is actually an admin. Roblox introduced to stop this
For permanent bans, ensure you are using DataStoreService so the ban persists even after the server restarts. The Risks of Using Unverified Scripts The Mechanics of an FE Ban/Kick Script Due
A menu where an admin types a username and selects "Kick" or "Ban."