Further to DNS problem on 17.04

[Chris Green]

I've dug further into this problem, I think the fundamental issue is
that it seems that LLMNR *can't* be disabled:-


    root at t470:/etc/systemd# more resolved.conf
    #  This file is part of systemd.
    #
    #  systemd is free software; you can redistribute it and/or modify it
    #  under the terms of the GNU Lesser General Public License as
    published by
    #  the Free Software Foundation; either version 2.1 of the License, or
    #  (at your option) any later version.
    #
    # Entries in this file show the compile time defaults.
    # You can change settings by editing this file.
    # Defaults can be restored by simply deleting this file.
    #
    # See resolved.conf(5) for details

    [Resolve]
    #DNS=
    #FallbackDNS=8.8.8.8 8.8.4.4 2001:4860:4860::8888 2001:4860:4860::8844
    Domains=zbmc.eu
    LLMNR=false
    #DNSSEC=no
    #Cache=yes
    #DNSStubListener=udp
    root at t470:/etc/systemd# 

    root at t470:/etc/systemd# systemd-resolve --status
    Global
              DNS Domain: zbmc.eu
              DNSSEC NTA: 10.in-addr.arpa
                          16.172.in-addr.arpa
                          168.192.in-addr.arpa
                          17.172.in-addr.arpa
                          18.172.in-addr.arpa
                          19.172.in-addr.arpa
                          20.172.in-addr.arpa
                          21.172.in-addr.arpa
                          22.172.in-addr.arpa
                          23.172.in-addr.arpa
                          24.172.in-addr.arpa
                          25.172.in-addr.arpa
                          26.172.in-addr.arpa
                          27.172.in-addr.arpa
                          28.172.in-addr.arpa
                          29.172.in-addr.arpa
                          30.172.in-addr.arpa
                          31.172.in-addr.arpa
                          corp
                          d.f.ip6.arpa
                          home
                          internal
                          intranet
                          lan
                          local
                          private
                          test

    Link 3 (wlp4s0)
          Current Scopes: DNS
           LLMNR setting: yes
    MulticastDNS setting: no
          DNSSEC setting: no
        DNSSEC supported: no
             DNS Servers: 192.168.1.2
                          8.8.8.8
              DNS Domain: zbmc.eu

    Link 2 (enp0s31f6)
          Current Scopes: none
           LLMNR setting: yes
    MulticastDNS setting: no
          DNSSEC setting: no
        DNSSEC supported: no

I have restarted the systemd-resolvd service and I have even rebooted
the system, LLMNR stays obstinately at 'yes'.




-- 
Chris Green