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net: unbound: remove negative caching for better stability

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else sometimes addresses are unresolvable at early boot, and never become reachable again
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Colin
2024-12-03 17:30:11 +00:00
parent a72bc90e90
commit c950d286d4
1 changed files with 1 additions and 1 deletions
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hosts/common/net/dns.nix
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@@ -53,7 +53,7 @@ lib.mkMerge [
# if you enable this, make sure to persist the stateful data.
# alternatively, use services.unbound.settings.trust-anchor = ... (or trusted-keys-file)
services.unbound.enableRootTrustAnchor = false;
services.unbound.settings.server.cache-max-negative-ttl = 60;
# services.unbound.settings.server.cache-max-negative-ttl = 60; #< intended to limit damage during networking flakes, but instead this seems to cause unbound to cache error responses it *wouldn't* otherwise cache
# services.unbound.settings.server.use-caps-for-id = true; #< TODO: randomizes casing to avoid spoofing
services.unbound.settings.server.prefetch = true; # prefetch RRs which are about to expire from the cache, to keep them primed
})