Utilizing specific entities to flood the server console with errors.
Physics collisions are the number one cause of lag and crashes.
Disrupting services violates Steam’s Online Conduct and can lead to account suspension. Protecting Your GMod Server from Crasher Dupes
Exploiting bugs in entity management, addon synchronization, or AdvDupe2 (Advanced Duplicator 2) to copy high-value items or money. gmod server crasher dupe free
The most effective immediate fix is restricting the Advanced Duplicator. By using FPP (Falco's Prop Protection), you can blacklist specific models or entities that are known to cause crashes. Many crash dupes rely on specific rare props or broken weapon entities. Blocking the model prevents the duplicator from pasting it.
Dupes are saved with overlapping props welded together. When spawned, the physics engine (vphysics) attempts to resolve the impossible collisions, causing an immediate fatal crash.
Using parented entities that glitch upon spawning, causing a "Lua panic" or engine crash. How to Achieve a "Dupe Free" (Crash-Protected) Server Utilizing specific entities to flood the server console
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Certain items are notorious components of crasher dupes. You can ban these outright from being spawned by normal players. Blacklist Explosives and Interactive Props
Enable features like "Prevent spawning a prop in a prop" and "Big prop spam protection" to stop users from creating physics explosions. Restrict Duplicators: Disable Dupe Uploading: Protecting Your GMod Server from Crasher Dupes Exploiting
If you're experiencing issues with GMod servers crashing or are interested in server administration for GMod, here is some general information that might be helpful:
: Some "crash dupes" exploit timing differences between player data and container data (like chests) during a crash to duplicate items. Ensuring your server uses modern database solutions can help mitigate these sync exploits. Possible Server Crashing Paste Bug · Issue #45 - GitHub
Use robust server-side protection plugins like FPP (Falco's Prop Protection) to prevent malicious entity spawning. 3. Monitor Entity Counts
: Some dupes are designed to spawn "nothing" but actually trigger an entity loop that shuts down the server .