Merit Network
Can't find what you're looking for? Search the Mail Archives.
  About Merit   Services   Network   Resources & Support   Network Research   News   Events   Home

Discussion Communities: Merit Network Email List Archives

North American Network Operators Group

Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

Re: Top AS Offenders causing RFC-1918 DNS traffic

  • From: Henry Yen
  • Date: Sat Sep 14 20:37:48 2002

On Sat, Sep 14, 2002 at 05:09:02AM -0700, Sameer R. Manek wrote:
> Since Win2k and I assume XP both attempt to perform dynamic dns updates,
> hosts behind NAT, windows will happily send the update requests up the dns
> tree as far as it can. When @Home was around, the primary name servers for
> used to see update attempts constantly.
> Paul Vixie has posted in here statistics about the root levels getting
> hammered by such update attempts in the past.
> Any technical solution performed at the network level would be a bubble gum
> and duct tape attempt to fix what was poorly engineered at the software
> level. Since it's unlikely Microsoft will issue some sort of fix to the
> problem.

at URL:
      malformed A queries were 14% of the load at F.root
      asking for the IP address of an IP address
      example: "A" - should not happen
      guilty: Microsoft Win2k resolver, viruses (win95/98/nt), macOSX resolver
 -->  (good news: with our help, Microsoft found and fixed
 -->  this bug in Win2k (although the way to turn off a
      bad default configuration is 6 or so menus deep...)
Henry Yen                                       Aegis Information Systems, Inc.
Senior Systems Programmer                       Hicksville, New York

Discussion Communities

About Merit | Services | Network | Resources & Support | Network Research
News | Events | Contact | Site Map | Merit Network Home

Merit Network, Inc.