Another systemd-resolved problem in 17.04

Tom H tomh0665 at gmail.com
Thu Jun 22 00:16:56 UTC 2017


On Wed, Jun 21, 2017 at 8:13 PM, Tom H <tomh0665 at gmail.com> wrote:
>
> # ss -ntul | column -t | grep -v Netid
> udp    UNCONN  0       0       127.0.0.53%lo:53  *:*
> udp    UNCONN  0       0       *:5355            *:*
> udp    UNCONN  0       0       :::5355           :::*
> tcp    LISTEN  0       128     *:22              *:*
> tcp    LISTEN  0       128     *:5355            *:*
> tcp    LISTEN  0       128     :::22             :::*
> tcp    LISTEN  0       128     :::5355           :::*
>
> There's nothing listening on a link-local address, ipv4 or ipv6.
>
> I'd assumed that the "REFUSED" was part of a dbus message but it might
> very well a dns message. That implies that there's a server listening
> on fe80 but that the client isn't allowed to query this server.
>
> That would be a non-standard Ubuntu setup given the above, but also
> because I can't think of a resolved option that'll allow it to listen
> on fe80 unless it's specified in resolved.conf or a resolved option
> that'll allow it to refuse to resolve a (local) query. Maybe there is
> but I can't check the man pages at the moment.

Forget about the ss output and in the last para replace "listen on
fe80" by "query fe80".

Sorry, it's past bedtime...

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