RE: web tracking

[David B Funk <db...@engineering.uiowa.edu>]

On Wed, 27 Jul 2005, Chris Santerre wrote:

> > From: Matthew.van.Eerde@hbinc.com [mailto:Matthew.van.Eerde@hbinc.com]
> >
> > Chris Santerre wrote:
> > > If they want ad tracking they can simply use gifs.
> >
> > ? Clarify please.
> >
> > I need ad tracking... I've been keeping a database of URLs
> > and passing IDs to the redirection page, so it won't redirect
> > to unauthorized URLs.  But I don't understand your "use gifs" method?
>
> Just do a google for 'gif tracking' or 'invisible gifs' or whatever.

Another name is 'web bugs', look for a SA ruleset that targets
those things. ;)
Of course they can be defeated by people who are smart enough to
disable automagic loading of remote images in their e-mail client.


-- 
Dave Funk                                  University of Iowa
<dbfunk (at) engineering.uiowa.edu>        College of Engineering
319/335-5751   FAX: 319/384-0549           1256 Seamans Center
Sys_admin/Postmaster/cell_admin            Iowa City, IA 52242-1527
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