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Re: Are botnets relevant to NANOG?
On Fri, 26 May 2006, Peter Dambier wrote: > > Sean Donelan wrote: > > On Fri, 26 May 2006, John Kristoff wrote: > > > >>What I'd be curious to know in the numbers being thrown around if there > >>has been any accounting of transient address usage. Since I'm spending > > > > > > I worked with Adlex to update their software to identify and track dynamic > > addresses associated with subscriber RADIUS information. At the time, > > Adlex (now CompuWare) was the only off-the-shelf software that matched > > unique subscriber RADIUS instead of just IP address. It is behavior based, > > so not absolutely 100% accurate, but it is useful for long term trending > > "bot-like" unique subscribers instead of dynamic IP addresses. I presented > > some public numbers at an NSP-SEC BOF. There is a large difference > > between the number of unique subscribers versus the number of dynamic IP > > addresses detected by various public detectors. > > > > http://www.compuware.com/products/vantage/4920_ENG_HTML.htm > > Just an afterthought, traceroute and take the final router. I guess for > aDSL home users you will find some 8 or 11 routers in germany. My final > router never changes. Of course there can hide more than one bad guy > behind that router. Actually, some anti spam veterns keep lists of dynamic blocks as negative scoring marks in their filters. I still believe that even ignoring those the numbers are still too high. I honestly want to know why a precise number matters? It will only be higher than our facts based upon our different observation points. Gadi. > > Kind regards > Peter and Karin > > -- > Peter and Karin Dambier > Cesidian Root - Radice Cesidiana > Graeffstrasse 14 > D-64646 Heppenheim > +49(6252)671-788 (Telekom) > +49(179)108-3978 (O2 Genion) > +49(6252)750-308 (VoIP: sipgate.de) > mail: [email protected] > mail: [email protected] > http://iason.site.voila.fr/ > https://sourceforge.net/projects/iason/ >