AXFR rejected

[Erich Eckner]

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Hi,

I upgraded from bind 9.16.11 to 9.16.12 (on arch linux) and suddenly, AXFR 
transfers were denied:

19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139: TCP request
19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139: using view '_default'
19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139: request is not signed
19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139: recursion available
19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139 (ddns.eckner.net): AXFR request
19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139 (ddns.eckner.net): zone transfer setup failed
19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139 (ddns.eckner.net): reset client
19-Feb-2021 13:56:01.276 client @0x7f37c8015028 127.0.0.1#57139: freeing client

Relevant part of the config (I can post more/full config, if desired):

/etc/named.conf:

options {
   ...
   allow-recursion { any; };
   allow-transfer { none; };
   ...
}

...

zone "ddns.eckner.net" IN {
   type master;
   allow-transfer { 127.0.0.1; ...; };
}


I cannot find any relevant change in the changelog at 
https://ftp.isc.org/isc/bind9/cur/9.16/CHANGES - did I miss something or 
is this a bug?

(Adding 127.0.0.1 to allow-transfer in options clause did not help.)

regards,
Erich

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