[andy]

What Tasker does differently, though, is the fact that Tasker’s firewall will be completely scriptable. Thanks to the incredible variety of ways that Tasker can integrate with your device, Tasker’s upcoming firewall feature is primed will undoubtedly be incredibly powerful. The developer’s Google Groups post doesn’t reveal very much information about the upcoming update, but according to him we will be able to block Internet access on a per-app or global basis by intercepting the network packets.

http://www.xda-developers.com/upcomi...-app-firewall/