Description of problem:
Attempted to authenticate

Version-Release number of selected component:
firewall-config-0.3.12-1.fc21

Additional info:
reporter:       libreport-2.3.0
cmdline:        /usr/bin/python -Es /bin/firewall-config
executable:     /bin/firewall-config
kernel:         3.17.7-300.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
firewall-config:2056:onChangeZone:TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):
  File "/bin/firewall-config", line 2056, in onChangeZone
    for item in forward_ports:
TypeError: 'NoneType' object is not iterable

Local variables in innermost frame:
masquerade: False
name: 'xmpp-server'
_services: []
sources: []
default: False
interfaces: ['p3p1', 'virbr0', 'virbr0-nic']
args: (<TreeSelection object at 0x7ff90160c280 (GtkTreeSelection at 0x1bcf750)>,)
iter: None
self: <__main__.FirewallConfig object at 0x7ff90239e110>
item: ['8200', 'tcp']
builtin: False
icmpblocks: []
rules: []
services: ['dhcpv6-client', 'mdns', 'ssh']
selected_zone: 'public'
ports: [['1900', 'udp'], ['8200', 'tcp']]
forward_ports: None