[Dnsmasq-discuss] logging dns queries

[richardvoigt at gmail.com]

On Fri, Mar 18, 2011 at 6:10 PM, Frederick C. Damen <fred at damen.org> wrote:
> Greetings,
>
> Surprisingly enough it was high on my list to move the dhcp REQUEST/ACK log
> messages from my /var/log/messages...
>
> From reading this thread I would agree with both sides, syslog in dnsmasq is
> not fully documented and syslog configuration is the place to implement the
> fix.
>
> Does dnsmasq assign different log levels to errors / start up /
> configuration issues and 'this is what is currently happening' messages.
> I would assume that --log-queries and --log-dhcp are at LOG_INFO or
> LOG_DEBUG and everything else is higher?
>
> I also noticed that the log messages in the /var/log/messages for the DHCP
> REQUEST/ACK the string after the hostname and before the [pid], (I assume
> this is the ident parameter to openlog), is 'dnsmasq-dhcp'.  Am I to assume
> that --log-queries will produce a value of 'dnsmasq-dns' and other messages
> will produce just 'dnsmasq'? Or is this just wishful thinking?

quickly looking through maillist archives for logs shows that dns
queries are tagged simply "dnsmasq", which is not too surprising since
it's the declared primary purpose of dnsmasq.


>
> Please enlighten me as to the specifics.
>
> thanks in advance,
>
> Fred
>
>
> On 03/18/2011 01:21 PM, richardvoigt at gmail.com wrote:
>>
>> On Fri, Mar 18, 2011 at 1:10 PM, Helmut Hullen<Hullen at t-online.de>  wrote:
>>>
>>> Hallo, Matthias,
>>>
>>> Du meintest am 18.03.11:
>>>
>>>>>>> Can I tell "dnsmasq" too to log the queries?
>>>
>>>>>> Find manual. Read manual. Look for --log-queries.
>>>
>>>>> It works - thank you!
>>>>> But it's not as comfortable as the ISC-bind form: there I can define
>>>>> a special log file only for named queries.
>>>
>>>> If you want BIND, use BIND. It's as simple as that. :-)
>>>
>>> But I don't want BIND. It's a monster.
>>>
>>>> I believe that Simon's documentation is complete, in other words, all
>>>> features are documented in the manual page.
>>>
>>> You believe wrong.
>>>
>>> Some days ago I was told some features around "dhcp-script" which I
>>> hadn't found in the documentation.
>>>
>>> And therefore I hope that the programmers know a simple but not yet
>>> documented way for separate log files too.
>>
>> The syslog documentation is fairly complete.  What you're looking for
>> is not in the dnsmasq man page because it isn't provided by dnsmasq,
>> it's provided by your syslog daemon, and therefore you should look
>> there for documentation as well.
>>
>>>
>>> Viele Gruesse!
>>> Helmut
>>>
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>>>
>>
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>