Comment 2 for bug 850468

So, without citing chapter and verse, I think it's a pretty good ui
rule that if the app "doesn't know" whether the firewall is enabled or
not, it shouldn't pretend to know about it. The fact that it's
disabled in a clean installation is not really persuasive to me - on a
machine with gufw installed, perhaps it's pretty likely that it is
installed?

Some options:
 * hide the radiobutton until it's unlocked
 * replace it with text saying "unlock to show status"
 * require people to authenticate to use gufw at all (since it seems
that you can't do anything as non-root?)