This article on how Windows does the connectivity check may be useful: http://blog.superuser.com/2011/05/16/windows-7-network-awareness/
(I'm not suggesting that we necessarily do the same thing; just that knowing what works and doesn't work for Windows may help us make a more informed decision). Robie -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel