nanog mailing list archives
Re: Top AS Offenders causing RFC-1918 DNS traffic
From: Henry Yen <henry () AegisInfoSys com>
Date: Sat, 14 Sep 2002 20:35:34 -0400
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 home.com 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: http://www.caida.org/outreach/presentations/dns0209/mgp00021.txt malformed A queries were 14% of the load at F.root asking for the IP address of an IP address example: "A 206.168.0.4" - 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
Current thread:
- Top AS Offenders causing RFC-1918 DNS traffic John M. Brown (Sep 14)
- Re: Top AS Offenders causing RFC-1918 DNS traffic Peter Salus (Sep 14)
- Re: Top AS Offenders causing RFC-1918 DNS traffic John M. Brown (Sep 14)
- Re: Top AS Offenders causing RFC-1918 DNS traffic Sean Donelan (Sep 14)
- Re: Top AS Offenders causing RFC-1918 DNS traffic Paul Vixie (Sep 15)
- RE: Top AS Offenders causing RFC-1918 DNS traffic Sameer R. Manek (Sep 14)
- Re: Top AS Offenders causing RFC-1918 DNS traffic Henry Yen (Sep 14)
- Re: Top AS Offenders causing RFC-1918 DNS traffic John M. Brown (Sep 14)
- Time to update RFC1912? (was Re: Top AS Offenders causing RFC-1918 DNS traffic) Sean Donelan (Sep 14)
- Re: Top AS Offenders causing RFC-1918 DNS traffic Peter Salus (Sep 14)