Hi,
Thanks for the pointer, seeing as the backend support proxy protocol,
disabling use_client_subnet seem like the most straight forward fix.
--
Med venlig hilsten/kind regards
Allan Willems Joergensen -https://nowhere.dk
On 25.09.2025 13.01, Remi Gacogne via dnsdist wrote:
Hi Winfried,
On 9/25/25 12:58, Winfried via dnsdist wrote:
I'm not sure, but maybe "use_client_subnet: true" in the new
configuration is the reason why the queries are not cached if the
cache is not ECS aware.
That's a strong possibility indeed. The zero-scope feature might
mitigate the impact if and only if the backend is cooperating:
https://www.dnsdist.org/advanced/zero-scope.html
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