AXFR Problems sind Upgrade to 9.16.12

[Ondřej Surý]

Hi Klaus,

can you please fill a proper issue in the gitlab.isc.org?  We are going to need
more details and anonymizing the logs isn’t a good way to go forward. In the
GitLab you can make the issue confidential and we will sanitize any user data
before making it public.

Thanks,
Ondrej
--
Ondřej Surý (He/Him)
ondrej at isc.org

> On 11. 3. 2021, at 21:24, Klaus Darilion <klaus.darilion at nic.at> wrote:
> 
> Hello!
> 
> Our setup: Customer Primary --> bind-1 --> bind-2 --> public secondaries (NSD/bind)
> 
> Today we upgraded bind-1 and bind-2 from:
> 9.16.6-3+ubuntu18.04.1+isc+3   --->   9.16.12-2+ubuntu18.04.1+isc+1
> 
> AXFR from customer to bind-1 still works. But since the upgrade, bind-2 can not transfer the zone from bind-1 anymore:
> 
> bind-1[3591]: client @0x7f6090274c78 xx.xx.xx.20#42767/key rcode0-internal (example): transfer of 'example/IN': send: operation canceled
> bind2[4699]: transfer of 'example/IN' from xx.xx.xx.22#53: failed while receiving responses: end of file
> bind2[4699]: transfer of 'example/IN' from xx.xx.xx.22#53: Transfer status: end of file
> bind2[4699]: transfer of 'example/IN' from xx.xx.xx.22#53: Transfer completed: 25079 messages, 9787583 records, 334058940 bytes, 30.171 secs (11072186 bytes/sec) (serial 1069865757)
> 
> I tried "dig axfr @bind-1 ..." which also fails:
> ;; communications error to xx.xx.xx.22#53: end of file
> 
> Same with kdig:
> ;; WARNING: can't connect to 83.136.34.24 at 53(TCP)
> ;; ERROR: failed to query server 83.136.34.24 at 53(TCP)
> 
> The AXFR fails after receiving ~ 400MB. The full zone would be ~600MB.
> 
> Of course also AXFR from bind-2 to our public secondaries fail to. So I suspect this is problem on the "sending" side of bind9. As it worked without problem until the upgrade I think this is a regression.
> 
> Are there any known issues with 9.16.12?
> Do you provide old PPA packages so that we can downgrade?
> 
> Thanks
> Klaus
> 
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