[dnsdist] How get ECS in DnsDist logs ?

[Remi Gacogne]

Hi David,

On 30/09/2024 15:28, david n via dnsdist wrote:
> I’m trying to log the client subnet with DnsDist, actually I only have 
> the IP of the DNS server requesting :
> 
> [1727699139.669387387] Packet from 192.29.141.4:38506 for foo.bar. A 
> with id 51444

We don't currently have the ability to log incoming EDNS Client Subnet 
in DNSdist, I'm afraid. The main reason is that we usually don't really 
care: either the existing value is preserved and passed to the backend, 
or we overwrite it. There is no use-case I'm aware of where we process 
the ECS value in DNSdist itself. It doesn't mean that it wouldn't be 
helpful to be able to log it, to be clear, I would be happy to merge 
such a feature if someone were to contribute it. You can open a feature 
request [1] so we don't forget about it.

[1]: https://github.com/PowerDNS/pdns/issues/new/choose

Best regards,
-- 
Remi Gacogne
PowerDNS.COM BV - https://www.powerdns.com/
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