Fedora-21 firewall advice?

[Gordon Messmer]

On 01/18/2015 04:44 AM, Heinz Diehl wrote:
> Opposed to what is written in this article, firewalld leaves the
> system open even after upgrading with "--product=nonproduct", which I
> verified some minutes ago on a laptop upgraded from F20 to F21
> yesterday evening.

Use 'iptables -L -n -v'.  You are probably mistaking the allow-all-on-lo 
rule for an entirely open rule.  Firewalld's default is not "open"