What does DDoS protection on a VPS actually do?
Short answer
It filters flood traffic before it reaches your server, so an attack does not take you offline or get your IP null-routed.
Checked October 14, 2026. How we rank
In more detail
Volumetric (Layer 3/4) filtering is common and cheap; application-layer (Layer 7) protection and game-protocol filtering are rarer. Without protection, a host simply blackholes the attacked IP to protect other customers.