North American Network Operators Group
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Re: huh
- From: Sean Donelan
- Date: Tue Jan 15 16:24:18 2002
On Tue, 15 Jan 2002, Tim Devries wrote:
> Ok, well this is good to know. Although it still doesn't explain why my
> firewall is reporting DNS UDP/TCP probes from windowupdate.com on a regular
> basis.
A couple of possibilities
- DNS cache poisoning sending spoofed answers to your DNS server (are
you running a current version of BIND or an alternative?)
- DDOS attack on windowsupdate.com using spoofed source packets (DNS
and HTTP packets can tunnel through most firewall configurations)
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