[Dnsmasq-discuss] Debugging dnsmasq on Ubuntu

Joel Whitehouse code at joelwhitehouse.com
Wed Mar 29 15:43:33 BST 2017


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?

-Joel



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