[IP] more on Police Blotter: Laptop border searches OK'd

[David Farber <dave@farber.net>]

Begin forwarded message:

From: "Steven M. Bellovin" <smb@cs.columbia.edu>
Date: July 28, 2006 11:20:29 AM EDT
To: dave@farber.net
Cc: "Brock N. Meeks" <bmeeks@cox.net>
Subject: Re: [IP] more on Police Blotter: Laptop border searches OK'd

On Fri, 28 Jul 2006 10:06:22 -0400, David Farber <dave@farber.net>  
wrote:

> Under this ruling, am I now responsible for my brother's or boss's or
> co-workers cache?
This is by no means hypothetical.  Some years ago, I was asked to  
consult
on an incident that appeared to be the first instance in the wild of DNS
cache contamination.  The symptom: someone using a laptop would  
attempt to
go to a site, and instead got "interesting" pictures.  (It could, of
course, have been a monkey-in-the-middle attack, per
http://www.ex-parrot.com/~pete/upside-down-ternet.html).  The answer  
was a
lot more mundane: the browser was confused about its own cache, and the
previous user of that laptop had engaged in recreational web surfing  
from
some hotel room.

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


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