Game Server DDoS Mitigation: Layer 3, 4, and 7 Scrubbing Architectures

# Game Server DDoS Mitigation: Layer 3, 4, and 7 Scrubbing Architectures

Multiplayer games require real-time connection status updates, primarily relying on **UDP (User Datagram Protocol)**. Because UDP is stateless, attackers can easily spoof IP headers and flood game servers with massive data packets (UDP Amplification attacks). Standard web firewalls (which protect TCP traffic) are ineffective at blocking UDP attacks without raising player ping or causing desync. ## 1. Layer 3 & 4 Hardware Scrubbing

To prevent packets from choking the server connection pipeline, incoming traffic must be routed through hardware scrubbers. - Scrubber filters distinguish between valid gameplay packets and randomized trash data. - Known bad packets are scrubbed instantly, allowing clean traffic to reach your hardware node. ## 2. Layer 7 Proxy Setup for Web APIs

For NUI connections or external web integrations: - Hide your true server IP address behind an API proxy. - Cache public queries to reduce the direct load on your primary server.

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