huh

Sean Donelan sean at donelan.com
Tue Jan 15 21:22:03 UTC 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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