[tor-relays] unbound: error: recvfrom 123 failed: Host is down

teor teor at riseup.net
Wed Dec 11 01:24:26 UTC 2019


> On 8 Dec 2019, at 22:37, Winter Paulson <db8ltro2dy271kr3j9ucin3k at systemli.org> wrote:
> I'm running an exit relay > 200 Mbit/s with local unbound on openbsd. I
> receive a lot of the following syslog messages from unbound:
> unbound: [15040:1] error: recvfrom 226 failed: Host is down

Maybe the remote DNS server can't handle the load?
Or the network between you is dropping DNS packets?
Or there's some firewall between you and the remote DNS that sees your DNS
as problematic?

Have you tried running a full resolver?

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