On 7 Jun 2016 12:44, "Emmett Culley" lst_manage@webengineer.com wrote:
I have a number of machines (hardware and VMs) running CentOS 7. I all
cases firewall-config is not functional.
First, the service check boxes are not functional. When you click on
one, it don't change to "checked", and nothing changes on the firewall. However you do see a "Changes applied"
Sometimes, f you go to permanent mode and attempt to edit a zone, the
whole desktop locks up as soon as you click on the default target dropdown.
When I run firewall-config from the command line I see the following:
org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.NetworkManager was not provided by any .service files
(firewall-config:5079): Gtk-CRITICAL **: gtk_tree_view_get_path_at_pos:
assertion 'tree_view != NULL' failed
with the second line repeating many times and often while attempting to
interact with the GUI.
We don't use NetworkManager except on laptops, and so do not install it.
Though we do install NetworkManager-glib, if only because some packages require it.
After seeing a similar bug on the RHEL I also installed
NetworkManager-libnm, but that did not make a difference. That RHEL bug also mentioned this problem only occurs on KDE, and not Gnome. And we only install KDE when a GUI is required, or desired.
I'd suggest you install and test with NetworkManager
Do note that the EL7 NM is a far cry from the one that shipped with EL6 and unless you specifically need a facility not exposed by NM it is strongly recommended you use it.
Take a look at my article on nmcli - it's rather lovely to use now:
https://www.hogarthuk.com/?q=node/8
As for the firewall tool... don't use it ... it's horrible
Either use firewall-cmd to configure at the CLI or switch to iptables and configure that as you did EL6