Am having SYNC FLOOD ATTACKS

[Hyperion]

In past few days whenever i play mw2 my dsl disconnected. I checked with the isp and everything was fine.So I checked my network security log and saw **Sync Flood ** from the ip of poland and netherland. It mostly happens when I am trying to play mw2 or any other game online. I ran a malware check, microsoft security essential's check, and avira check but came clean. Any other idea ?

Thanks in Advance

[__Toper__]

yaah,yaah..

I got this before ,non of the free antivirus or maleware will block this ,some times fire wall will block it ,and some times doesnt after i changed my pc i just bought norton 360 original copy after that never get this flood ,and here is another way but i didnt use it maybe its help.

1) open regedit

2) go into --> HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters\

3) add the following Keys (DWORD):

-SynAttackProtect = 2

-TcpMaxConnectResponseRetransmissions = 2

-TcpMaxDataRetransmissions = 3

-TCPMaxPortsExhausted = 5