[dnsdist] RemoteLogAction; log client-subnet via protobuf

Jeffrey Cronstrom jeff.cronstrom at cloudfloordns.com
Thu Jan 30 17:39:02 UTC 2020

Hi Remi,

Thanks for the information, no wonder I didn't see anything in the source.
I'll file add a feature request.

Kind Regards,


On Thu, Jan 30, 2020 at 11:29 AM Remi Gacogne <remi.gacogne at powerdns.com>

> Hi Jeffrey,
> On 1/29/20 7:31 PM, Jeffrey Cronstrom wrote:
> > While running tests with dnsdist as a front end to a backend
> > Authoritative DNS server and sending log data over protobuf to a logging
> > server, only the requesting DNS server IP Address is captured and sent
> > to the remote protobuf receiver. Is this by design and/or is it possible
> > to send the client subnet data via RemoteLogAction()? I see the subnet
> > data coming into the backend server, it's just not being captured by the
> > RemoteLogAction. The data would be nice to have for processing geo stats
> > on zones.
> dnsdist doesn't actually parse any existing EDNS Client Subnet option at
> the moment, it only overwrites it when asked to do so, so it isn't
> possible to export it over protobuf at the moment, but that sounds like
> a nice option to have.
> Please open a feature request on our repository [1] so we don't forget!
> [1]: https://github.com/PowerDNS/pdns/issues/new/choose
> Best regards,
> --
> Remi Gacogne
> PowerDNS.COM BV - https://www.powerdns.com/
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