Bug 881665

Summary: RFE: Provide a simple method to disable networking
Product: [Fedora] Fedora Reporter: Marko Myllynen <myllynen>
Component: NetworkManagerAssignee: Dan Williams <dcbw>
Status: CLOSED WONTFIX QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 18CC: danw, dcbw, johannbg, lnykryn, metherid, mishu, mschmidt, msekleta, notting, plautrba, psimerda, systemd-maint, vpavlin
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Last Closed: 2014-02-05 13:21:59 UTC Type: Bug
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Description Marko Myllynen 2012-11-29 09:59:21 UTC
Description of problem:
Extracted from bug 815243. Currently with F18 Beta to disable networking completely the superuser needs to disable and stop the NetworkManager and network services and then loop over the network interfaces to make sure networking is really disabled. Compared to earlier Fedoras where "service NetworkManager stop ; service network stop" did the trick this is clumsy given that today it is not atypical to have 4 or 8 or even more NICs on a system.

Please provide a simple method for the superuser to disable networking at will.

Version-Release number of selected component (if applicable):
Fedora 18 Beta

Additional info:
https://bugzilla.redhat.com/show_bug.cgi?id=815243#c30
https://bugzilla.redhat.com/show_bug.cgi?id=815243#c33

Comment 1 Pavel Šimerda (pavlix) 2012-11-29 10:59:18 UTC
AFAIK the future lies in using only NetworkManager for network configuration. Stopping NetworkManager doesn't clear the interfaces by design. But you can
disable networking with NetworkManager using nmcli.

(In reply to comment #0)
> Compared to earlier Fedoras where "service
> NetworkManager stop ; service network stop" did the trick this is clumsy
> given that today it is not atypical to have 4 or 8 or even more NICs on a
> system.

You are right that this was a trick, or hack, not a supported method IMO.

Comment 2 Michal Schmidt 2012-11-29 12:15:19 UTC
I don't why this is filed against systemd. systemd sets up the loopback interface, but it's not involved in other interfaces.

Comment 3 Dan Williams 2012-12-06 23:51:59 UTC
At the moment functionality to stop NetworkManager does not exist, perhaps we could add a D-Bus command to NM to tell it to quit and actually clear all interface configuration.  Like pavel says, NetworkManager is meant to be either disabled or running all the time, and if you're somebody who needs to disable NetworkManager, then you're obviously somebody who knows enough to manually configure interfaces too.  Plus, given that this operation would only ever occur once (because after that, NetworkManager would be disabled) it's not a particularly high priority.

Comment 4 Fedora End Of Life 2013-12-21 09:32:32 UTC
This message is a reminder that Fedora 18 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
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Comment 5 Fedora End Of Life 2014-02-05 13:22:02 UTC
Fedora 18 changed to end-of-life (EOL) status on 2014-01-14. Fedora 18 is
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