Epic Games Unreal Tournament Server DoS Amplifier Vulnerability
Auriemma Luigi <email@example.com> has suggested that the InitialConnectTimeout key in the [IpDrv.TcpNetDriver] configuration section be reduced from it's default value of 150 seconds to a more reasonable constant. This may reduce the severity of an attack.
The vendor has released a replacement IpDrv.dll for vulnerable Microsoft Windows based servers which resolves this issue:
Epic Games Unreal Tournament Server 436.0