Blocking Reflection Amplification: Dropping NTP, DNS, and Memcached Ingress Vectors
Shield game nodes from volumetric reflection floods. IPTables and Nftables filters to block spoofed UDP reflection attacks before buffers fill.
D
By Darius King, Esports Network Engineer
Anatomy of Amplification Floods
Attackers send spoofed requests with your game server's IP address as the source to misconfigured NTP or DNS resolvers, which respond with 50x larger payloads directed straight at your server's incoming interface.