FilteringEnabled is a mandatory security feature on Roblox that creates a strict barrier between the (the player's computer) and the server (the central computer running the game).
The Mechanics of FE Fling Scripts: Exploiting the Roblox Ecosystem Roblox FE Hair Fling Script в”‚ FE Scripts EP.2
: Certain physical properties, such as a player’s own character movement and animations, must replicate to the server so other players can see where they are moving. Fling scripts exploit this "permission" by sending malicious physics data that the server believes is legitimate movement. 2. The Anatomy of a "Hair Fling" FilteringEnabled is a mandatory security feature on Roblox