On Sat, May 16, 2015 at 10:09 PM, Rex Dieter <rdieter@math.unl.edu> wrote:
To me, "default" implies "installed by default", which is not true in this
case.  firewall-applet is not installed by default as far as I know.

Interesting, firewalld, firewall-config and firewall-applet are all on my machine.  You can indeed install each
independently, removing of course is another matter, there are a few permutations of what you get depending 
on the order you do it  

The documentation sure seems to me to indicate the intent is to have all three.