What is a "communication" (was Re: sorry, but ...
lists at internetpolicyagency.com
Tue Jul 31 20:54:51 BST 2012
In article <5017D91C.1050209 at gmx.net>, "Caspar Bowden (travelling)"
<tharg at gmx.net> writes
>It always seemed to me that "communication" had to be interpreted as a
>transmission of information at an arbitrary *logical* layer of the
>stack(s) - it might mean an e-mail, or a web page, or an IM, or a phone
>call, or an SMS etc. If a hacker was communicating by port-knocking, it
>might mean a datagram.
>So the interpretation of communication w.r.t. to whether something is
>internal or external, would not be affected by e.g. whether any dropped
>packets as part of an email message were received by a random router
>outside the UK (and perhaps "made available" to a engineer looking at a
>log file), but whether the (intended) sender and receiver are both in
How do we extend that theory to the situation where there are many
receivers in many countries, and when no-one (barring the intermediary
such as Facebook knows who the receivers are, and only really dodgy
stuff like geo-location by IP address can determine where they are?
(Unless they are using a proxy...)
More information about the ukcrypto