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How to protect against DNS Denial of Service?

Question asked by djcanadianjeff on Jul 12, 2013
Latest reply on Aug 3, 2013 by kevinds

I logged into my router the other day and noticed my connection count up from 100 to about 3000 connections

 

so I started up tcpdump on my router which I then saved and loaded up into wireshark and saw this......

ddosflood.jpg

kept watching in wireshark for about and hour and the attack did not stop phoned up SHAW

 

they did not know what this was or how to stop it, finally after 4 hours I phoned up SHAW BUISNESS

 

they looked into it and it finally slowed down to about 1200 connections

 

Link to a full wireshark pcap file can be found here CloudShark or if you have wireshark I have attached the pcap

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