North American Network Operators Group|
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Re: Excessive DNS Requests
On Wed, 13 Oct 2004, Anderson, Ian wrote:
Have you considered zombie / trojan machines being used as spam vectors?Anyone else seeing excessive DNS requests hammering their local forwarders this evening. We've just taken our residence network off-line owing to the level of port 53 traffic coming from it. Can't see anything in the usual places regarding this....
For example, here's a presentation at SANOG earlier this year - http://jameslick.com/zombies/Tracking%20A%20Zombie%20Army.pdf