Windows 2k3 UDP flood, help please

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deviss

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Joined
Dec 9, 2011
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1
Hello

I have a small server hosted on windows 2003 standard ed sp1 and since few days ago someone is flooding us through udp ports.

I have followed these guides

http://blog.larmib.com/2011/stop-outbound-udp-floods-on-your-windows-server-2003-or-2008/

and

http://www.serverintellect.com/support/windowsserversecurity/ipsec-blockip.aspx

but the upd flood still goes on.

I'm using outpostfirewall to see the packets and the ip that are flooding. svchost.exe is shown as flooded through UDP 123 port


Could anyone help me to sort this out?


Thank you
 
Joined
Dec 10, 2011
Messages
2
Do you currently have your server configured to match time with the network via NTP? If not, turn the service off and simply shut down UDP/123 at your firewall.
 
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