[dnsdist] Question regarding the RemoteLogResponseAction

[Ambauen Daniel (ID NET)]

Hello Remi

Thank you for your quick answer and the clarification.

Best regards,
Daniel




> 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/
> 
> _______________________________________________
> dnsdist mailing list
> dnsdist at mailman.powerdns.com
> https://mailman.powerdns.com/mailman/listinfo/dnsdist