[dnsdist] Question regarding the RemoteLogResponseAction

Ambauen Daniel (ID NET) daniel.ambauen at id.ethz.ch
Fri Oct 30 16:34:16 UTC 2020

Hello Remi

Thank you for your quick answer and the clarification.

Best regards,

> Am 30.10.2020 um 17:12 schrieb Remi Gacogne via dnsdist <dnsdist at mailman.powerdns.com>:
> Hi Daniel,
> On 10/30/20 3:49 PM, Ambauen Daniel (ID NET) via dnsdist wrote:
>> Per default the RemoteLogResponseAction only exports A and AAAA records.
>> RemoteLogResponseAction(remoteLogger[, alterFunction[, includeCNAME[, options]]])
>> I guess the alterFunction call could be used to call an appropriate lua function which exports all rrs.
>> Is my assumption correct? 
> I'm afraid that won't work. There are two issues there, the first one is
> that dnsdist doesn't know how to parse most records, so it can't export
> them. You could in theory do the parsing in Lua from the raw bytes, but
> then you would stumble unto the second issue which is that you can't add
> a record to a protobuf message from Lua.
> If you really need to export all records, I would suggest having a look
> at dnstap instead of our own protobuf format, as it exports the whole
> DNS packet.
> Best regards,
> -- 
> Remi Gacogne
> PowerDNS.COM BV - https://www.powerdns.com/
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