[46954] in North American Network Operators' Group

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Re: is your host or dhcp server sending dns dynamic updates for rfc1918?

daemon@ATHENA.MIT.EDU (Randy Bush)
Fri Apr 19 00:20:57 2002

From: Randy Bush <randy@psg.com>
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To: Paul Vixie <paul@vix.com>
Cc: nanog@merit.edu
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Date: Thu, 18 Apr 2002 21:20:17 -0700
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> now as to who's responsible, first off you have to understand that we block
> rfc1918-sourced packets at our AS boundary.  (otherwise these numbers would
> be Much Higher

are you sure?  i suspect they are windows 2000 systems behind NATs.  so
the dynamic update is for the 1918 address, but the packet source address
has been natted into real space.

randy

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