[dnsdist] RemoteLogAction; log client-subnet via protobuf

Remi Gacogne remi.gacogne at powerdns.com
Thu Jan 30 16:29:23 UTC 2020

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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