[Dnsmasq-discuss] Debugging dnsmasq on Ubuntu
Albert ARIBAUD
albert.aribaud at free.fr
Wed Mar 29 16:52:27 BST 2017
Hi Joel,
Le Wed, 29 Mar 2017 09:43:33 -0500
Joel Whitehouse <code at joelwhitehouse.com> a écrit:
> I'm running ubuntu 14, which uses dnsmasq as a local resolver on
> 127.0.1.1. When I issue a dig query, dig informs me it's using
> 127.0.1.1 as its resolver:
>
> ;; Query time: 3 msec
> ;; SERVER: 127.0.1.1#53(127.0.1.1)
> ;; WHEN: Wed Mar 29 09:36:06 CDT 2017
> ;; MSG SIZE rcvd: 63
>
>
> However, I would like to know what host dnsmasq is using as its
> resolver. On my system, `ps ax' shows that dnsmasq is started with
> the command:
>
> /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts
> --bind-interfaces
> --pid-file=/run/sendsigs.omit.d/network-manager.dnsmasq.pid
> --listen-address=127.0.1.1
> --conf-file=/var/run/NetworkManager/dnsmasq.conf --cache-size=0
> --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq
> –conf-dir=/etc/NetworkManager/dnsmasq.d
>
>
> Both the file /var/run/NetworkManager/dnsmasq.conf and the directory
> /etc/NetworkManager/dnsmasq.d/ are empty, so it's likely that dnsmasq
> is receiving its resovlers from Network Manager over the dbus
> interface.
>
>
> Is there any way to get dnsmasq to log when it issues a new query to
> a resolver?
You can spy on DBus -- I think that's what Network Manager uses to
configure dnsmasq on the fly.
> -Joel
Amicalement,
--
Albert.
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