more on Fighting spam: raise the bridge or lower the water?[risks] Risks Digest 22.92

[Dave Farber <dave () farber net>]

> Delivered-To: dfarber+ () ux13 sp cs cmu edu
> Date: Thu, 09 Oct 2003 01:46:21 -0400
> From: Bob Frankston <Bob2-19 () bobf frankston com>
> Subject: RE: [IP] Fighting spam: raise the bridge or lower the water?[risks]
>  Risks Digest 22.92
> Sender: Bob Frankston <rmfxixB () bobf frankston com>
> To: dave () farber net, ip () v2 listbox com
>
>
> This is a mild form of what I've been advocating.
>
> It's worth noting that we wouldn't be in such need of a "do not call bill"
> if you could indeed use Caller-ID. The problem with the phone network is
> that it is not end-to-end and thus you cannot implement caller ID yourself
> and thus must rely on the Telco's version which just tells you who pays the
> bills.
>
> I've long ago advocated letting the user just send any string. If you get a
> phone that supports end-to-end caller-ID signaling then you could start to
> require caller-ID. While the PSTN won't be able to do this it is a better
> reason to go to VoIP and SIP than just saving money -- it is about saving
> time.
>
> Letting people do their own strings, of course, makes spoofing irresistible
> though one can treat it as fraud.
>
> To make this effective one would be able to give other's keys (digital, of
> course) that give priority access. It's but a short step to the use of
> capabilities.
>
> White lists, in themselves, are too easily defeated and don't deal with
> creative use of email addresses. Here too you can use an active form of the
> white list in terms of a capability token.
>
> The real point is not so much the specific solution as the contrast between
> phone system thinking and waiting for the smart middle to save us (or, else
> Congress will fix it but good) and the Internet where we need solutions at
> the edges. The spam solutions are still too much PSTN-like but I expect
> people will learn over time that having a level of indirection can give them
> control.
>
> After all, the PSTN itself is becoming IP-based. Just a few leaks between
> the PSTN VoIP world and the rest and, well, my current image is of the ice
> dam that broke and let the sea in Canada carve out the formations in the US
> Northwest during the last ice age.
>
> -----Original Message-----
> From: owner-ip () v2 listbox com [mailto:owner-ip () v2 listbox com] On Behalf Of
> Dave Farber
> Sent: Monday, October 06, 2003 21:14
> To: ip () v2 listbox com
> Subject: [IP] Fighting spam: raise the bridge or lower the water?[risks]
> Risks Digest 22.92
>
>
>
> >Date: Mon, 06 Oct 2003 09:46:36 -0700
> >From: "NewsScan" <newsscan () newsscan com>
> >Subject: Fighting spam: raise the bridge or lower the water?
> >
> >Many software experts now believe that the best way to fight spam is not by
> >targeting it directly but instead by concentrating on the identification of
> >legitimate mail.  VeriSign executive Nico Popp explains, "People have been
> >spending all their time creating filters to find the bad guys.  We want to
> >turn that on its head and find ways to identify the good guys and let them
> >in."  The idea would be to develop the Internet equivalent of caller ID,
> >with a technology that identifies senders and lets receivers presume that
> >unidentified senders are sending junk mail.  Richard Reichgut of
> >AuthentiDate says, "It's not easy to change something as successful and
> >widely used as e-mail.  But the only way to fix e-mail is to have a strong
> >way to know who is sending you mail."  [*The New York Times*, 6 Oct 2003;
> >NewsScan Daily, 6 Oct 2003]
> >   http://partners.nytimes.com/2003/10/06/technology/06SPAM.html
> >
> >   [Once again, see Lauren Weinstein's Tripoli proposal --
> >     http://www.pfir.org/tripoli-overview
> >   -- which is a sensible approach to giving users control over how to
> >   confront the e-mail dilemma.  BEWARE of ceding this authority to ISPs!
> >   PGN]
> >
> >   [Also, see "Four Internet pioneers discuss the sorry state of online
> >   communication today. The consensus: It's a real mess." by
> >   Katharine Mieszkowski, Salon.com:
> >     http://www.salon.com/tech/feature/2003/10/02/e_mail/
> >   She quotes Dave Farber, Dave Crocker, Brad Templeton, and Jakob Nielsen.
> >   PGN]
>
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