The Sydney Morning Herald is reporting that Kazaa has blocked access to its network from Australia, in response to its loss in the Federal Court in September.

Interesting technical response to a legal problem – but query how well it will actually work. The story quotes a user saying he is still able to access the network. There are no details, but it seems the system would likely use IP filtering of some kind to try to detect clients from Australia.

If so, I wonder how long it would take someone to hack a client to, say, spoof the IP, or piggy back or otherwise share a non-Australian user’s IP address, or even set up some kind of open proxy?