Security Incidents mailing list archives

RE: Bogus DNS traffic


From: "Christopher L. Morrow" <chris () UU NET>
Date: Thu, 23 Oct 2003 15:49:16 +0000 (GMT)


On Wed, 22 Oct 2003, David Gillett wrote:

  The malformation looks like a match.  Since I'd only seen one
random packet from each of a bunch of random source addresses,
I was assuming the source was probably spoofed; this sounds like
it might not be.
  (The MAC address that I reported as an internal server turns
out to be the nearest internal ROUTER.  So I don't know if the
origin is internal to our network after all.)


MAC addresses are always local, their significance is lost beyond the
subnet boundary.

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