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Re: a record?

  • From: Steven M. Bellovin
  • Date: Mon Nov 14 19:24:15 2005

In message <43791C64.4050500@linuxbox.org>, Gadi Evron writes:
>

>You don't have to scan an entire /64 ( :) ).
>
>You can sniff network traffic and see what IP addresses you see, then 
>scan only close ranges to those.
>You can create a DB or download one, with addresses of known used spaces.
>
>You can throw out thousands of random packets, finding used spaces.
>
>You can do a lot of things, some smarter and mathematical, others just 
>sensible. If I could come up with 3 silly solutions in 2 seconds, I bet 
>the Bad Guys will do far better when the time comes, if it ever does. I 
>am of a mind that we need IPv-NEXT-ONE (or whatever) to deal with actual 
>problems before we undertake IPv6, but that's just an opinion and 
>therefore completely wrong.

Yes.  Angelos Keromytis, Bill Cheswick, and I have a paper on this that 
will be out shortly.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb






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