Bug 1121720 - Unable to set IPv6 DNS addresses
Summary: Unable to set IPv6 DNS addresses
Alias: None
Product: Fedora
Classification: Fedora
Component: control-center
Version: 20
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Control Center Maintainer
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2014-07-21 17:26 UTC by Bill C. Riemers
Modified: 2015-06-29 21:40 UTC (History)
13 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2015-06-29 21:40:47 UTC

Attachments (Terms of Use)
Values I apply (42.16 KB, image/png)
2014-07-21 20:44 UTC, Bill C. Riemers
no flags Details
Values I see next time I open the same dialog (39.93 KB, image/png)
2014-07-21 20:45 UTC, Bill C. Riemers
no flags Details

Description Bill C. Riemers 2014-07-21 17:26:31 UTC
Description of problem:

NetworkManager happily allows one to enable IPv6 for an OpenVPN connection.  However, the actual values are neither used no correctly parsed.  In this case, I tried adding some IPv6 DNS addresses.  If IPv6 is completely broken like this, it shouldn't even be a configuration option.


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


How reproducible:


Steps to Reproduce:
1. Edit an openvpn configuration.
2. Click on IPv6
3. Manually add IPv6 DNS addresses (In my test I tried ::1, fe80::beae:c5ff:fee8:b5e, and fe80::4a5b:39ff:fe25:fe)
4. Click apply
5. Close
6. Re-open

Actual results:

IPv6 Addresses are converted to bugus IPv4 addresses, which won't be added to /etc/resolv.conf when connecting (fortunately).

Expected results:

IPv6 addresses should remain IPv6 addresses and added to the /etc/resolv.conf files.

Additional info:

Comment 1 Thomas Haller 2014-07-21 18:38:01 UTC
I cannot reproduce this. Could you explain more in detail at which point you see bogus IPv4 addresses?

Comment 2 Bill C. Riemers 2014-07-21 20:44:41 UTC
Created attachment 919752 [details]
Values I apply

Comment 3 Bill C. Riemers 2014-07-21 20:45:22 UTC
Created attachment 919753 [details]
Values I see next time I open the same dialog

Comment 4 Bill C. Riemers 2014-07-21 20:46:17 UTC
I attached the screen shots.  Please let me know if you need me to specify how I navigate to these dialogs.

Comment 5 Thomas Haller 2014-07-21 21:03:27 UTC
Ah. This is gnome-control-center UI, I can reproduce it easily.

AFAIS, nm-applet (and nm-connection-editor) is not affected.

I update the component of the UI.

Comment 6 Quentin Armitage 2014-11-28 16:46:51 UTC
This problem still exists in F21-RC1.

It appears that the control-center is causing the correct DNS server IPv6 addresses to be written to the /etc/sysconfig/network-scripts/ifcfg-IFACE file. However when it displays the addresses, it displays them as IPv4 addresses. The addresses displayed are the first 4 octets of the IPv6 adddress, but displayed in decimal IPv4 notation. For example, if I enter an IPv6 DNS server address 2001:470:1234:5::17, the IPv4 address displayed is (i.e. 0x20.0x01.0x04.0x70 in decimal).

The IPv6 address and Gateway are correctly displayed as IPv6 addresses.

Comment 7 Fedora End Of Life 2015-05-29 12:25:50 UTC
This message is a reminder that Fedora 20 is nearing its end of life.
Approximately 4 (four) weeks from now Fedora will stop maintaining
and issuing updates for Fedora 20. It is Fedora's policy to close all
bug reports from releases that are no longer maintained. At that time
this bug will be closed as EOL if it remains open with a Fedora  'version'
of '20'.

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able to fix it before Fedora 20 is end of life. If you would still like 
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version prior this bug is closed as described in the policy above.

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Comment 8 Fedora End Of Life 2015-06-29 21:40:47 UTC
Fedora 20 changed to end-of-life (EOL) status on 2015-06-23. Fedora 20 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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