Any tool or theorical method on detecting number of computer behind a NAT box?
Steven M. Bellovin
smb at cs.columbia.edu
Mon Apr 7 16:39:52 UTC 2008
On Mon, 7 Apr 2008 23:51:55 +0800 (CST)
Joe Shen <joe_hznm at yahoo.com.sg> wrote:
>
> hi,
>
> Sharing internet access bandwidth between multiple
> computers is common today.
>
> Usually, bandwidth sharer bought a little router
> with NAT/PAT function. After connecting that box to a
> ADSL/LAN access link, multiple computer could share a
> single access link.
>
> I heard some company provide prdouct for detecting
> number of computers behind NAT/PAT box.
>
> Is there any paper or document on how such product
> work? where could I fint them ?
>
THere was a paper of mine from a few years ago:
http://www.cs.columbia.edu/~smb/papers/fnat.pdf
--Steve Bellovin, http://www.cs.columbia.edu/~smb
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