Techs: What type of server attack is this?

[bambi]

Does anyone know what kind of attack this is and how to block it in nephthys:

ScriptLog: UdpServerUplink: Master Server is master.fragaholic.com:27900
ScriptLog: UdpServerUplink: Port 7792 successfully bound.
DevNet: NotifyAcceptingConnection: Server MyLevel accept
NetComeGo: Open MyLevel 07/15/09 08:08:23 xxx.xxx.xxx.xxx:33362
DevNet: NotifyAcceptingChannel Control 0 server Level DXMP_CMD.MyLevel: Accepted
DevNet: Level server received: PETE PKT=1 PKG=1
DevNet: Level server received: REPEAT
DevNet: Level server received: CRITOBJCNT 1
DevNet: Level server received: JOIN
DevNet: Join request:
Warning: Failed to load 'DXMTL152b1': Package 'DXMTL152b1' is not accessible in this sandbox
Warning: Failed to load 'Class DXMTL152b1.MTLJCDenton': Package 'DXMTL152b1' is not accessible in this sandbox
Warning: Package 'DXMTL152b1' is not accessible in this sandbox
Warning: Failed to load 'DXMTL152b1': Package 'DXMTL152b1' is not accessible in this sandbox
Warning: Failed to load 'Class DXMTL152b1.MTLJCDenton': Package 'DXMTL152b1' is not accessible in this sandbox
Warning: Package 'DXMTL152b1' is not accessible in this sandbox
Critical: appError called:
Critical: Failed to load player class
Critical: Windows GetLastError: Success (0)
Exit: Executing UObject::StaticShutdownAfterError
Critical: ULevel::SpawnPlayActor
Critical: ULevel::NotifyReceivedText
Critical: UControlChannel::ReceivedBunch
Critical: UChannel::ReceivedSequencedBunch
Critical: Direct
Critical: UChannel::ReceivedRawBunch
Critical: DispatchDataToChannel
Critical: BunchData
Critical: UNetConnection::ReceivedPacket
Critical: UNetConnection::ReceivedRawPacket
Critical: UTcpNetDriver::TickDispatch
Critical: UpdatePreNet
Critical: ULevel::Tick
Critical: (NetMode=1)
Critical: TickLevel
Critical: UGameEngine::Tick
Critical: XGameEngineExt::Tick
Critical: UpdateWorld
Critical: MainLoop
Exit: Exiting.
Uninitialized: Name subsystem shut down
Uninitialized: Log file closed, 07/15/09 08:08:23

[Dae]

Could you please post the full .log?