Ubuntu 18.04: unbound seems to stop working after a period of time

Jakob Habedank jakob.habedank at posteo.de
Wed Aug 21 20:00:06 UTC 2019

Hi all,

I set up pi-hole with unbound on my ubuntu 18.04 machine. I followed the
instructions by pi-hole[1].

Clients can reach websites with this method but after some time I get
timeouts. Pihole is still forwarding requests to but it seems
that unbound doesn't answer anymore. Even on the host machine I get

    dig pi-hole.net @ -p 5353

    ; <<>> DiG 9.11.3-1ubuntu1.8-Ubuntu <<>> pi-hole.net @ -p 5353
    ;; global options: +cmd
    ;; connection timed out; no servers could be reached

Only `systemctl restart unbound` solves this problem. Unbound is still
running and doesn't show any obvious errors though.
I posted on the pi-hole forums and added quite some information there so
you might want to check the thread [2].

I'm quite new to Unix so please tell me what information you need to
help. Thanks!

[1] https://docs.pi-hole.net/guides/unbound/


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