[Unbound-users] How to config whitelist for EDNS client subnetin unbound

[Yuri Schaeffer]

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> very thanks. Do the unbound cache the result that contain
> edns-client-subnet information?

Yes!
It has an additional cache for ECS responses. For performance reasons
lookups in this cache are only done when there are reasons to believe
it is necessary. I.e. 1) When an answer is not found in the regular
cache and the authority server is whitelisted. or 2) The client
includes ECS option.

//Yuri
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