[systemd-bugs] [Bug 90270] New: systemd-resolved should prepend DNS servers

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90270

            Bug ID: 90270
           Summary: systemd-resolved should prepend DNS servers
           Product: systemd
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: systemd-bugs at lists.freedesktop.org
          Reporter: parchd+freedesktop at archlinux.info
        QA Contact: systemd-bugs at lists.freedesktop.org

Although this is apparently in contradiction with what was said in bug 79672, I
believe servers listed in the DNS= setting should be prepended to the list of
servers. Currently they are appended and the servers coming from DHCP are given
priority.

I believe they should be prepended because:
1. Locally configured settings should always be given priority over those
supplied by the network
2. There is, as far as I can see, no other way of setting a preferred DNS
server for all networks whilst retaining DHCP provided servers as a fallback
3. The names of the settings suggest FallbackDNS should be appended, and
therefore DNS only makes sense as a separate option if it is appended

I look forward to being told I am missing the point of the setting.

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