From: anonymous@miron.vip.best.com
Date: Mon, 11 Nov 1996 15:07:54 -0800 (PST)
To: cypherpunks@toad.com
Subject: Re: another possible remailer attack
Message-ID: <199611112300.PAA00754@miron.vip.best.com>
MIME-Version: 1.0
Content-Type: text/plain


Steve Reid writes:
>
> >> You want to know if Dimitri is the person regularly posting these
> >> messages. So, you use your powers as ISP to block his access to all
> >> remailers. If the public messages suddenly stop then you can be
> >> reasonably certain that Dimitri was sending them.
> > I'm not following something...just how to your "powers as ISP" affect a
> > remailer in, say, Holland, or one for that matter on another ISP? (As a
>
> Packet filtering at the ISP's router. If Dimitri can't connect to a
> remailer, he can't send anonymous messages. Sure there are a lot of hacks
> that could be done (like have sendmail on another system send it to a
> remailer) but such things could be detected and blocked by clever filters.

I disagree, it's easy to bounce mail through ANY Internet-connected
host running sendmail and thence to a remailer.

In fact this mail was sent that way, I bounced it through sun.com
before hitting a remailer.

> In fact, the ISP could just claim to be "going down for maintenance" and
> completely block Dimitri from the internet for a while.

Only if the Backbone Cabal (there is no Cabal) is re-formed
(and given special SuperPowers!) with the sole purpose of
blocking Dimitri from posting to cypherpunks.


> > Just as the Nazis could isolate spy transmitters by selectively
> > turning off electricity to different neigborhoods, so, too, can various
>
> Isolating spy transmitters by selectively cutting power is exactly
> alalogous to what I have suggested.

The spy transmitters couldn't bounce their transmissions off of
regular radio transmissions, could they?


Buck Satan