SPUG: Web Bugs
mcglk at artlogix.com
Mon Aug 20 21:03:36 CDT 2001
Doug Beaver <doug at beaver.net> writes:
| Ah. Although doubleclick would only know what ads you saw if the images
| were served from doubleclick servers or if CNN was sending doubleclick
| information after they parsed their logs.
It's almost always the former. CNN has no need to host the webbug, because
you're loading their document; they have a record. It's the aggregators that
are the big privacy problem.
| Me too. That and protection from email virii/worms.
| It has an option under the images tab where you force mozilla to only request
| images from the domain you're currently viewing. I bet that helps with
| external bugs (i.e., served from doubleclick or akamai) a lot.
Yes, but unfortunately, akamai also carries a lot of actual content-oriented
images. This is why regex blocking is better than site-wide blocking.
| I wonder if there is an ORBS-like list for web bug servers...
Not exactly. junkbuster.org doesn't provide much of a block file. Try a
Google search; quite a few come up with this query:
| Anybody have any other tips or tricks for detecting web bugs?
Stay informed. That's the main thing. Investigate suspicious GIFs, and axe
'em. For example, here's my OmniWeb privacy preferences:
Works pretty well.
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