In GMod, a "dupe" (short for duplication) is a saved collection of props, constraints, and wires that can be spawned instantly using the Duplicator tool. While most players use dupes to share cool cars or bases, bad actors use them to create "lag machines." Common Mechanisms
: Some advanced dupes attempt to execute malicious LUA scripts upon being spawned, targeting vulnerabilities in poorly protected server addons. Defensive Features for Server Owners gmod server crasher dupe
Understanding how these dupes work, why they exist, and how to protect your community is essential for any server owner or serious player. What is a Server Crasher Dupe? In GMod, a "dupe" (short for duplication) is