nanog mailing list archives

Re: dynamic or static IPv6 prefixes to residential customers


From: Matt Addison <matt.addison () lists evilgeni us>
Date: Tue, 26 Jul 2011 20:29:06 -0400

On Jul 26, 2011, at 20:08, Valdis.Kletnieks () vt edu wrote:
There's a subtle but significant difference between what cookies give you,
which is "This is the same entity that visited our page at 7:48PM last
Tuesday", and what easily trackable IP addresses give you, which is "This is an
entity located at 1948 Durhof Street".

With how much identifying information user agents leak nowadays [1]
this is almost a moot point. If you can be uniquely identified through
the user agent- does it really matter that they can uniquely ID the
household as well based on prefix information?

~Matt

1: http://panopticlick.eff.org/


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