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unbound: keep probing when servers are down

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Till now when a server was in the "blocking regime" there was one probe
made every 15 min, to see if this server is up again. In situations
where all servers where down (e.g. because of a massive package loss)
it could take up to 15 min to have a working dns again.

This patch changes this behaviour in a way that a server marked down is
probed every 2 min.

Fixes: #12557

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
This commit is contained in:
Jonatan Schlag
2021-01-06 10:16:49 +00:00
committed by Michael Tremer
parent 02037c964f
commit 211b6bc16e
1 changed files with 3 additions and 0 deletions
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3
config/unbound/unbound.conf
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@@ -60,6 +60,9 @@ server:
# Allow access from everywhere
access-control: 0.0.0.0/0 allow
# Timeout behaviour
infra-keep-probing: yes
# Bootstrap root servers
root-hints: "/etc/unbound/root.hints"