[SOLVED] Re: bind listening on UDP port 53 using 2 fd

Matus UHLAR - fantomas uhlar at fantomas.sk
Mon Jan 25 10:13:09 UTC 2021

On 23.01.21 12:44, Bernardo wrote:
>Finally I've found the solution.
>The problem seems to be caused by a known issue since BIND version 9.16.1
>Commenting out these lines in /etc/named.conf solves the issue:
>query-source address;
>notify-source port 53;
>transfer-source port 53;

this should not cause a problem and may cause troubles when
is not the primary address.

the "port 53" is usually useless (unless you have stateless firewall) and
may be what caused your problem.

Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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