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
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
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