Logging Response Results

Kevin Darcy kcd at chrysler.com
Thu Jun 23 20:55:42 UTC 2011

On 6/23/2011 4:27 PM, Stefan Certic wrote:
> Thanks Chuck
> Yes, that would be a solution, but i need logs processed through syslog and
> stored into database (matching the initial query from query log).
> Pharsing tcpdump is not going to be suitable for highly loaded system. I was
> more looking for a solution to log responses same way queryes are logged.
> Regards,
> On Thursday, June 23, 2011 09:44:46 pm Chuck Swiger wrote:
>> On Jun 23, 2011, at 12:16 PM, Stefan Certic wrote:
>>> Does anyone have idea on following... Apart from bind9 query log, is it
>>> possible to log response returned to client?
>> Sure: use tcpdump, wireshark, or another network sniffer of your choice and
>> observe DNS responses to the clients you're interested in.  (Whether this
>> is better than using query logging is another question entirely.)
The parsing can be done off-line.

Depending on your LAN structure, you might be able to capture the 
packets off-box as well.

                                                 - Kevin

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