full-disclosure - Is the FBI using email Web bugs?

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From: dan at lockedbox.net (Daniel B)
Subject: Is the FBI using email Web bugs?

"Gregh" <chows@...mail.com.au> wrote:

> 
> ----- Original Message -----
> From: "Poof" <gui@...dessmoon.org>
> To: "'Gregh'" <chows@...mail.com.au>
> Cc: <full-disclosure@...ts.netsys.com>
> Sent: Thursday, January 08, 2004 1:22 PM
> Subject: RE: [Full-Disclosure] Is the FBI using email Web bugs?
> 
> 
> > Actually- the problem with that is that fine... it won't allow any ports
> > except for the needed 25/110/143... Then what's to stop an image from
> using
> > http://www.spamsite.com:25/110/phonehome.jpg?emailaddress(or whatever)
> >
> > .. Nothing!
> >
> 
> Not sure if I understand you correctly but with a simple ZA I can block OE
> from contacting on port 25 outbound..... that what you meant?
> 
> Greg.

Umm, you could, but you might have trouble sending email! 
Daniel.
PS. That is if your using SMTP, i seem to remember MS Exchange normally uses
135 for most comms.