[51443] in North American Network Operators' Group
Re: IPv6 Interview Questions and critic
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Tue Aug 27 17:36:40 2002
Date: Tue, 27 Aug 2002 23:33:40 +0200 (CEST)
From: Iljitsch van Beijnum <iljitsch@muada.com>
To: Kurtis Lindqvist <kurtis@kurtis.pp.se>
Cc: <nanog@nanog.org>
In-Reply-To: <20020827230443.S459-100000@laptop.kurtis.pp.se>
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, 27 Aug 2002, Kurtis Lindqvist wrote:
> > <censored> fears abuse as a hardware ID wired into the ipv6 protocol can
> > be used to determine the manufacturer, make and model number, and value
> > of the hardware equipment being used by the end user.
> ...uhm, and? What is the real difference with a IPv4 address and privacy?
The difference is that someone using a dynamic IP address is still
recognizable by the lower 64 bits of their dynamic address because this
part is always the same. (But cookies do the same thing.)
> You can tell as much (more or less) with a port scan to a IPv4
> address...
How can I recognize someone by doing a portscan?