Comcast and SORBS
John Chambers
jc at trillian.mit.edu
Thu Nov 25 14:17:52 EST 2004
Don Levey wrote:
| >> I have no illusion about "privacy" rights when I'm using
| >> someone else's private property for my transmission, even under
| >> contract. And they'd be fools to permit unmonitored communication
| >> over their network.
| >
| > I used to run major operations at two different ISPs. If I ever said
| > anything like the above in a forum visible to customers, there would
| > have been serious consequences.
| >
| Probably; a major attack of honesty is often not good for (traditional)
| businesses. But allow me to rephrase slightly:
| "And they'd be fools to permit unmonitored communication under all
| circumstances over their network."
Case in point: For much of the past three years, I've done some
consulting work for a big comm company (which one isn't relevant
here), and I did much of the work at home. The team was scattered
around the world, so at the start there was some discussion of which
email addresses we should use.
One of the things that I brought up, which everyone understood and
agreed with, was that most of us had a potential problem using out
home email. My service at the time was through RCN, which of course
is a competitor to my employer. Sending job-related email via an
rcn.com server was obvously not a good idea. Similarly for the other
team members.
In my case, I suggested that they use my mit.edu address, since MIT
is not a competitor, and is probably a lot more trustworthy than any
commercial ISP. I read my email via an ssh link. So for RCN to
intercept my email would require both collecting all my packets and
cracking the ssh encryption. This is a LOT more difficult than
scanning email files on their own server.
Some of the others had similar situations. We set up an email server
at the consulting firm's office for the others. That isn't as
reliable, of course, because it goes through a local ISP. But nothing
was stored on that ISP's servers, so to do any industrial espionage,
they'd have to go the packet-assembly route, which isn't as trivial
as some would have you believe. (The office also had two ISPs, for
redundancy, making life even more difficult for a spy. ;-)
As the world's communications transfer over to the Internet, we can
expect that the "private property" argument will become less
acceptable for comm links in general. Yes, the ISP may own the
physical link (or the spectrum for wireless). But that shouldn't give
them a right to interfere with my communication, or to intercept it
and use it for their own purposes.
This isn't a trivial concern. We've already seen such things as: The
"child protection" filters routinely block not only porn, but also
web sites of the filterers' competitors. And last year, msn.com was
caught extracting things (mostly images) from their customers' email
and using them in ads. When caught, the companies invariably make a
big noise about how they've reformed and won't do it again. Yeah;
right. Not until enough time has gone by that they think you've
forgotten and they can get away with it if they're more careful.
In any case, the concern is obvious: If an ISP can intercept messages
to/from tech workers like me, they have a very good tool to find out
what their competitors are planning. This gives them advanced warning
so they can take steps to block their competitors' intrusion into
their market. This is a great idea if you think that communications
should be under the control of a private monopoly. If you want to be
able to communicate as you wish, or if you like to have alternative
ISPs, you might give the subject a bit more thought.
Historically, there have been good reasons for "public" control of
communications. Not that any government is perfect, of course. But
it's a lot better than what happens when you have "private" control
of communication, and you are only allowed to communicate things that
are approved by the owner of the comm equipment.
BTW, there's an important reason why contract law isn't much help in
this topic. Consider this message. Chances are that I don't have a
contract with your ISP. Your contract is irrelevant to what your ISP
does with this message. Your ISP can read this message and do
anything they like with it, because they have no contract with me.
They can extract all the addresses, including yours, and sell them to
spammers. They can save this message however they like, and use its
contents commercially. And neither of us can find out that they're
doing it; it's all "private".
I've recently received spam messages that were invitations to
conferences dealing with just this topic. The hot new idea is using
IM as a source of commercially-useful information. This is easy,
because IM almost always goes through a corporate server. The
technical challenge is that IM contains less information than email.
It's something else you might think about.
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