I'm trying to figure out if the URL Filtering detects domians in DNS requests and can take actions based on a domain in a DNS request (ie. blocking). I would like to move some of my DNS sinkhole activity to the Palo Alto 5020, but i'm unsure if this is a viable option with URL filtering.
Thanks in advance!
Solved! Go to Solution.
As already mentioned the URL filtering is based on the the contents of the actual http request.
The admin guide has a better description regarding settings of the dns-proxy feature.
In my opinion the best option is to use your own dns-servers (place in DMZ) and perform the sinkholing in them.
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