Version-Release number of selected component:
firewall-config-0.3.13-2.fc21

Additional info:
reporter:       libreport-2.3.0
cmdline:        /usr/bin/python -Es /usr/bin/firewall-config
executable:     /usr/bin/firewall-config
kernel:         3.18.9-200.fc21.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
firewall-config:2058:onChangeZone:TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 2058, in onChangeZone
    for item in forward_ports:
TypeError: 'NoneType' object is not iterable

Local variables in innermost frame:
masquerade: False
name: 'xmpp-server'
_services: []
default: False
interfaces: ['em1']
args: (<TreeSelection object at 0x7f6f3fb6b460 (GtkTreeSelection at 0x1384970)>,)
iter: None
self: <__main__.FirewallConfig object at 0x7f6f3fbb0410>
sources: []
builtin: False
icmpblocks: []
rules: []
services: ['dhcpv6-client', 'mdns', 'ssh']
selected_zone: 'public'
ports: []
forward_ports: None