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Core concepts
A backdoor is a hidden line of code—often disguised using obfuscation or buried deep inside hundreds of blank lines—that grants the script creator creator-level admin privileges in your game. They can use this to shut down your game, steal your assets, or display inappropriate content that could get your Roblox account banned. Alternative: Using Established Admin Frameworks
Place a Script inside ServerScriptService . FE Ban Kick Script - ROBLOX SCRIPTS - FE Admin ...
, which is a security feature that prevents client-side changes from affecting other players unless handled through the server. Developer Forum | Roblox Core Concepts Filtering Enabled (FE):
Standard kicks only remove a player for one session. A true "Ban" script saves the player's UserID to a DataStore so they are automatically kicked every time they try to rejoin.
Below is a functional example of how to set up a secure Kick system. This requires two scripts: one Server Script and one LocalScript (often used in a GUI or Chat Command system). : Core concepts A backdoor is a hidden
Before diving into scripts, it's essential to understand what "FE" stands for. Filtering Enabled is a core security feature in Roblox. In a game with FE, the client (the player) cannot directly change the server for all other players. Instead, all significant actions, such as moving parts or changing game states, must be validated by the server first. This system is crucial for preventing widespread cheating, as client-side exploits are heavily restricted.
local function banPlayer(admin, targetName, reason) local target = game.Players:FindFirstChild(targetName) if target then local userId = target.UserId banStore:SetAsync(userId, true) target:Kick("You are banned: " .. reason) end end
This article explores what these scripts are, why FE compatibility matters, and how you can implement them safely. What is "FE" (FilteringEnabled)? , which is a security feature that prevents
In other words, these are your . Without them, game owners would have no way to deal with griefers, exploiters, or rule-breakers.
Whether you’re cloning an open-source admin panel or building your own ban system from scratch, understanding FE and server-side scripting will make you a more competent Roblox developer. And in 2026, with Roblox’s security measures stronger than ever, that knowledge is more valuable than you might think.
The admin UI fires a RemoteEvent passing the target player's name.
local ReplicatedStorage = game:GetService("ReplicatedStorage") local ModAction = ReplicatedStorage:WaitForChild("ModAction") -- Example: Kicking a player named "Player2" ModAction:FireServer("Kick", "Player2", "Exploiting/Hacking") Use code with caution. Critical Security Vulnerabilities to Avoid