[Dnsmasq-discuss] dnsmasq and dbus - strange reset behaviour

[Simon Kelley]

On 22/05/14 22:53, Nic Ferrier wrote:
> Simon Kelley <simon at thekelleys.org.uk> writes:
> 
>> On 22/05/14 21:53, Nic Ferrier wrote:
>>> So it seems like dnsmasq isn't actually obeying the server set when it's
>>> done more than once or something?
>>>
>>> Can anyone suggest some debugging I could do or what the problem
>>> actually is?
>>>
>>
>> First thing is to set --log-queries, to get an idea what's actually
>> happening to your test query. I'd also simplify things and remove the
>> "@tun0" for a start.
> 
> But if I don't set the tun0 it won't go over the vpn?
> 
> I don't think I can change the log-queries, I can't alter the config at
> all, except through dbus, because dnsmasq is controlled by ubuntu's
> network-manager

... which is probably fighting you by making DBus calls which overwrite
yours. My understanding is that network-manager supports the sort of
split-DNS you want direct from the GUI these days.

If not see here, for how to wrest control of dnsmasq from network-manager:

http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2014q2/008528.html


Cheers,

Simon.

> 
>> "but only after a clean reboot" I'm not sure I understand this: what
>> happens when you run the command for the second time?
> 
> When I start the system afresh it works, I can query the vpn side DNS
> via the rules I've added via DBUS.
> 
> If I then drop the VPN, re-establish it and redo the dbus set nothing
> works.
> 
> The dbus call still comes back correctly with something that looks like
> dnsmasq understood it and dnsmasq logs to syslog that it has started
> using the new domains and DNS server... but nothing works, dig to
> dnsmasq for the new names just hangs for timeout.
> 
> That's what is so wierd.
> 
> 
> Nic
>