[unisog] sypware control through black-hole DNS

Russell Fulton r.fulton at auckland.ac.nz
Wed Feb 1 20:26:05 GMT 2006

Michael Holstein wrote:
> Also, sometimes it's actually more useful to make the DNS A records 
> returned from a blackhole list go to something on your network that 
> actually runs a webserver -- just to log all the requests (so you can 
> make lists of the bad people).
> I've also configured Apache to deliver 1x1 clear GIFs (to any request) 
> as part of an adware-blocking campaign.
This is what we are looking at doing.  We have several dns servers on
campus and we intend to try this out on one of them for a start so
people who point their first dns at this one will get the filtering.


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