I don't think there are any configuration options in the recursor do to this, so you'll have to do it in a firewall system outside of the recursor. Blocking all outbound traffic to UDP port 53 would take care of it.
On Fri, Feb 28, 2025, at 06:45, Carlos N via Pdns-users wrote: > Hello all > > I,m looking for a way of forcing all outgoing queries from recursor to > authoritative servers to be TCP. > I'm experiencing some packet discards in my platform internal network and i > think forcing to TCP may help overcome some of the problems caused by > discards. > Does anybody know how to do this or if it is even possible. > Documentation doesn't give any clue. > Kind regards and thanks in advance. > > Carlos > > > _______________________________________________ > Pdns-users mailing list > Pdns-users@mailman.powerdns.com > https://mailman.powerdns.com/mailman/listinfo/pdns-users >
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