On 03.06.24 21:46, Chris Green wrote:
I'm running dnsmasq 2.90 on two very similar systems, one is running
xubuntu 23.10, the other is running xubuntu 24.04. On the xubuntu
23.10 system when I use 'host' to get an IP address I get no errors:-
chris$ host github.com
github.com has address 20.26.156.215
github.com mail is handled by 1 aspmx.l.google.com.
github.com mail is handled by 10 alt3.aspmx.l.google.com.
github.com mail is handled by 10 alt4.aspmx.l.google.com.
github.com mail is handled by 5 alt1.aspmx.l.google.com.
github.com mail is handled by 5 alt2.aspmx.l.google.com.
chris$
...but on the xubuntu 24.04 system I get errors which look like
something broken in IPV6 to me:-
chris@q957$ host github.com
;; communications error to ::1#53: connection refused
;; communications error to ::1#53: connection refused
this looks like either yourt ipv6 is not configured or dnsmasq does not
listen on ::1.
Does xubuntu 24.04 try IPV6 by default whereas xubuntu 23.10 doesn't?
Is there some obvious bit of configuration I can change to fix this?
did you look into /etc/resolv.conf ?
(Both systems are on the same LAN with DNS provided by the same router)
The dnsmasq.conf file on both systems is the same, and pretty trivial:-
listen-address=127.0.0.1
bind-interfaces
And this explains why dnsmasq only listens on ipv4
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