No, it looks at the approved list, and doesn't even allow the request outbound, it returns the approved result - either the error or the site address.
Very, just not something many home users are willing to invest in. I have a WatchGuard Firebox 1000 in my home, protecting my family and network.
And this solution is based on your saying you can tunnel, which has nothing to do with home/business, either you can block it or your cant - and I say it's easy to block.
Prove to me that this would work against Netscreen, WatchGuard, CheckPoint-1, etc.... Nothing has been proven or disproved with regard to that.