Facepunch Forums (Archived) - Discussion on Physics Exploits.
Creating physics constraints (like ropes or welds) that create infinite loops, freezing the physics engine [2]. gmod server crasher dupe verified
Using scripted entities within the dupe to flood the server with networking data [3]. Facepunch Forums (Archived) - Discussion on Physics Exploits
Some specific props or entities are notorious for being used in crashers. Use a blacklist to prevent them from being spawned via the Duplicator tool entirely. Conclusion gmod server crasher dupe verified
Disguised files that can affect your local game files or computer.
Tools like or G-Protect are industry standards. They monitor the rate at which entities are spawned and can automatically block "lag machines" before they initialize. 2. Limit the Duplicator Tool