FiveM Anticheat in 2026: How to Actually Protect Your Server

One modder with god mode or ESP can ruin a session for sixty legitimate players in minutes. On a public FiveM server in 2026, the question is not whether you will encounter modders — it is how quickly your server detects and removes them. Effective protection requires three distinct layers.

The Threat Landscape

Common attacks on FiveM RP servers in 2026:

• ESP / wallhack: player sees all entities through walls — breaks stealth RP and heist scenarios
• God mode: modified health and armor values set on the client
• Speed hack / teleport: movement manipulation that bypasses collision
• Resource injection: attaching malicious Lua to the server's resource list via client-side exploits
• Event flooding: triggering server-side events at high rates to crash the server or exploit economy systems

Layer 1 — Server-Side Validation

The single most important protection you can implement: never trust client-reported values. Every server event should validate the data it receives independently:

-- BAD: trusting coordinates sent from the client
RegisterNetEvent('police:arrest', function(target, location)
    -- client can send fake location to trigger effects from anywhere
end)

-- GOOD: re-calculate position server-side
RegisterNetEvent('police:arrest', function(target)
    local src = source
    local srcCoords = GetEntityCoords(GetPlayerPed(src))
    local tgtCoords = GetEntityCoords(GetPlayerPed(target))
    if #(srcCoords - tgtCoords) > 5.0 then return end
    -- proceed with arrest
end)

This pattern — verify position, verify distance, verify resource state server-side — blocks the majority of economy exploits without any dedicated anticheat resource.

Layer 2 — Dedicated Anticheat Resource

Server-side validation catches exploits; a dedicated anticheat catches client-side cheats (god mode, speed hack, ESP). Leading options in 2026:

• WaveShield — cloud-based detection, strong track record, free tier available
• FiniAC — hardware ID banning built in, good for persistent repeat offenders
• txAdmin built-in — catches basic god mode and speed hacks; useful as a baseline but not sufficient alone

Run one dedicated anticheat alongside txAdmin — not as a replacement. They catch different categories of cheats.

Layer 3 — txAdmin Ban System

txAdmin's ban system ties bans to all player identifiers simultaneously (Steam ID, FiveM license, IP, Discord). A ban on one account automatically bans all linked identifiers. Enable it in txAdmin → Whitelist & Bans → Ban Manager.

For persistent modders who return on new accounts: use hardware ID (HWID) banning via your dedicated anticheat. HWID bans survive account switches, Steam account changes and VPN connections.

Whitelist Strategy

A whitelist application process filters modders at the server entry point rather than after they join. Require a Discord account linked to FiveM (available via txAdmin's Discord bot integration) and a short written application. The barrier filters casual griefers and creates a more invested player base.

For semi-public servers: a Discord verification gate (player links their FiveM to Discord to join) is the minimum viable barrier. It eliminates the majority of throwaway modder accounts without requiring staff-reviewed applications.

Monitoring and Response

Anticheat is not set-and-forget. Review ban logs weekly and look for false positive patterns — legitimate players getting kicked during high-action roleplay scenarios often indicates a detection threshold that needs tuning. Establish a ban appeal process via Discord before you start banning — you will have legitimate appeals within the first week.