Hello,
I am currently rolling a few of my servers from 9.16.25 to 9.18.0 and I'm
having a few issues :
For context, my test setup is basically a primary server transferring all
of its zones through standard AXFR to a secondary BIND server on a
different IP. Both servers are running the same Bind version.
After rolling the 9.18.0 on both servers, I saw these anomalies :
- the primary stopped sending notify queries to the secondary server at
each zone reload
- the secondary server was able to resolve AXFR queries to the primary,
but :
- rndc commands like "refresh" or "retransfer" were not interpreted and
the zone.
- After the "refresh" timer set in the SOA expired, the zone would not
update on the secondary either.
Meanwhile there was no log hinting at a misconfiguration, which made the
debugging and understanding quite tricky.
The only fix I found was to comment that particular line in the config :
blackhole { none; };
Correct me If I'm wrong, but there is no mention of any change for this
option, other than this bugfix from the early 9.17 :
https://gitlab.isc.org/isc-projects/bind9/-/issues/1936
Using actual random IP's in the blackhole field also fixed the issue and re
- enables the zone transfers.
After some digging, it looks like the issue appeared in Bind 9.17.19
Hope it helps,
Thanks
Thibaud.
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