[Bug 1114569] New: Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS - openSUSE Bugs - openSUSE Mailing Lists

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[Bug 1114569] New: Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

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bugzilla_noreply＠novell.com

3 Nov 2018 3 Nov '18

15:14

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 Bug ID: 1114569 Summary: Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Network Assignee: bnc-team-screening@forge.provo.novell.com Reporter: flyos@mailoo.org QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Some Wifi (like open Wifi you need to register on a webpage to connect to) have their own DNS solvers that are needed to simply access the webpage to connect to, thus, the Internet (at least, that's my partial understanding of it). Otherwise, they usually block connections to other servers, including DNS. Normally, when you connect to this kind of open Wifi, DHCP (I think?) provides the DNS servers that are needed for everything to go smoothly. Yet, this doesn't work on my current Tumbleweed (recently wiped and reinstalled). I need to erase /etc/resolv.conf and restart the connection to have the domains correctly resolved (and then, when I connect to another, normal Wifi, I need to do the same, since those DNS are usually only locally accessible). Someone told me that it was possible to solve the issue by adding: rc-manager=symlink to /etc/NetworkManager/NetworkManager.conf. I unfortunately need to wait on Monday to test this fix, but I was suggested to open a bug report meanwhile. More discussion can be find here: https://nm.reddit.com/r/openSUSE/comments/9tjpca/tw_why_do_i_have_to_constan... I believe the default should be changed somewhere on Tumbleweed (possibly only on laptops) to make this automatic and doesn't require a CLI line to work. -- You are receiving this mail because: You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

3 Nov 3 Nov

17:03

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c1 Frank Kruger changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |fkrueger@mailbox.org --- Comment #1 from Frank Kruger --- Does 'netconfig update -f' as root solve the issue? -- You are receiving this mail because: You are on the CC list for the bug.

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17:08

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c2 --- Comment #2 from Pierre Bonamy --- It does, but only temporarily, as far as I know. Having to run such command every time one has to connect to the Wifi described above is not something a user should be required to do. Unless I am missing something obvious, which is quite possible of course. -- You are receiving this mail because: You are on the CC list for the bug.

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17:19

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 Frank Kruger changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|bnc-team-screening@forge.pr |sckang@suse.com |ovo.novell.com | -- You are receiving this mail because: You are on the CC list for the bug.

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23:00

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 Michiel Janssens changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |michiel@nexigon.net -- You are receiving this mail because: You are on the CC list for the bug.

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bugzilla_noreply＠novell.com

11 Mar 11 Mar

07:14

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c4 Jonathan Kang changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |flyos@mailoo.org Flags| |needinfo?(flyos@mailoo.org) --- Comment #4 from Jonathan Kang --- See comment#3 -- You are receiving this mail because: You are on the CC list for the bug.

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14 Mar 14 Mar

10:06

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c5 --- Comment #5 from Pierre Bonamy --- Hi, Sorry for the lack of feedback... It turns out that the bug never came back, so I haven't had an opportunity to provide the required information. Very sorry about this! -- You are receiving this mail because: You are on the CC list for the bug.

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18 Mar 18 Mar

06:38

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c6 Jonathan Kang changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |INVALID --- Comment #6 from Jonathan Kang --- (In reply to Pierre Bonamy from comment #5)

Hi,

Sorry for the lack of feedback... It turns out that the bug never came back, so I haven't had an opportunity to provide the required information.

Very sorry about this!

No worries. I'll close this ATM. Feel free to reopen this if you can reproduce it later on. Thanks. -- You are receiving this mail because: You are on the CC list for the bug.

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10 Apr 10 Apr

19:17

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c7 Ivan Skytte Jørgensen changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |isj@image.dk --- Comment #7 from Ivan Skytte Jørgensen --- Just encountered this problem too. /etc/resolv.conf was untouched and wickedd/dns-resolver refused to update it: Apr 10 13:04:39 redacted systemd[1]: Starting wicked network management service daemon... Apr 10 13:04:39 redacted systemd[1]: Started wicked network management service daemon. Apr 10 13:04:40 redacted dns-resolver[3943]: ATTENTION: You have modified /etc/resolv.conf. Leaving it untouched... Apr 10 13:04:40 redacted dns-resolver[3945]: You can find my version in /etc/resolv.conf.netconfig Apr 10 13:04:40 redacted wickedd[3846]: route ipv4 0.0.0.0/0 via 172.16.2.1 dev eth0#2 type unicast table main scope universe protocol dhcp covered by a ipv4:dhcp lease Apr 10 13:04:40 redacted dns-resolver[4112]: ATTENTION: You have modified /etc/resolv.conf. Leaving it untouched... I "solved" it by removing /etc/resolv.conf and restarting wickedd. I have 10+ identical installations, and this was the only one showing this bug. Perhaps the check-if-file-is-modified has a timing-sensitive bug? If it shows up again I will take note of the timestamps of the files. hyattregencycalgary18:/etc/openvpn # rpm -q -f /usr/sbin/wickedd wicked-0.6.53-lp150.2.6.1.x86_64 -- You are receiving this mail because: You are on the CC list for the bug.

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11 Apr 11 Apr

02:00

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c8 --- Comment #8 from Jonathan Kang --- (In reply to Ivan Skytte Jørgensen from comment #7)

Just encountered this problem too.

/etc/resolv.conf was untouched and wickedd/dns-resolver refused to update it:

Apr 10 13:04:39 redacted systemd[1]: Starting wicked network management service daemon... Apr 10 13:04:39 redacted systemd[1]: Started wicked network management service daemon. Apr 10 13:04:40 redacted dns-resolver[3943]: ATTENTION: You have modified /etc/resolv.conf. Leaving it untouched... Apr 10 13:04:40 redacted dns-resolver[3945]: You can find my version in /etc/resolv.conf.netconfig Apr 10 13:04:40 redacted wickedd[3846]: route ipv4 0.0.0.0/0 via 172.16.2.1 dev eth0#2 type unicast table main scope universe protocol dhcp covered by a ipv4:dhcp lease Apr 10 13:04:40 redacted dns-resolver[4112]: ATTENTION: You have modified /etc/resolv.conf. Leaving it untouched...

I "solved" it by removing /etc/resolv.conf and restarting wickedd. I have 10+ identical installations, and this was the only one showing this bug. Perhaps the check-if-file-is-modified has a timing-sensitive bug? If it shows up again I will take note of the timestamps of the files.

hyattregencycalgary18:/etc/openvpn # rpm -q -f /usr/sbin/wickedd wicked-0.6.53-lp150.2.6.1.x86_64

It's not the exactly the same issue as the one mentioned in this issue, since you are using wicked. Do you still remember the content of /etc/resolv.conf when you found this issue? Looks like /etc/resolv.conf is modified by something and netconfig refuse to update it. -- You are receiving this mail because: You are on the CC list for the bug.

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31 May 31 May

17:44

New subject: [Bug 1114569] Need to delete /etc/resolv.conf when connecting to Wifi with specific DNS

http://bugzilla.opensuse.org/show_bug.cgi?id=1114569 http://bugzilla.opensuse.org/show_bug.cgi?id=1114569#c9 Rihards Olups changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |richlv@nakts.net --- Comment #9 from Rihards Olups --- Had Tumbleweed system (version around 2019-02) with this problem. Here's data I collected/recall. 1. Connecting to another wifi, switching wifi on/off or restarting the network service made no difference (I believe a full system restart was also attempted). 2. netconfig complained about /etc/resolv.conf being modified. At that time, resolv.conf was as follows (I did not collect information on file metadata or unprintable characters, unfortunately). ### /etc/resolv.conf file autogenerated by netconfig! # # Before you change this file manually, consider to define the # static DNS configuration using the following variables in the # /etc/sysconfig/network/config file: # NETCONFIG_DNS_STATIC_SEARCHLIST # NETCONFIG_DNS_STATIC_SERVERS # NETCONFIG_DNS_FORWARDER # or disable DNS configuration updates via netconfig by setting: # NETCONFIG_DNS_POLICY='' # # See also the netconfig(8) manual page and other documentation. # # Note: Manual change of this file disables netconfig too, but # may get lost when this file contains comments or empty lines # only, the netconfig settings are same with settings in this # file and in case of a "netconfig update -f" call. # ### Please remove (at least) this line when you modify the file! 3. netconfig generated /etc/resolv.conf.netconfig . When this file was moved to /etc/netconfig, it was still considered modified, and was not modified when switching between different wifi networks. 4. Connecting to one of the networks sometimes resulted in an IPv6 DNS entry in the file, sometimes did not. I do not know whether this could have had any impact on the problem. -- You are receiving this mail because: You are on the CC list for the bug.

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