Trying to find out why my unbound will not resolve (1.13.1)

Anand Buddhdev anandb at
Thu May 6 10:37:29 UTC 2021

On 06/05/2021 11:25, Gerben Wierda via Unbound-users wrote:

TCP has been a requirement for a long time.

Perhaps unbound should drop the "do-tcp" option altogether. I don't
really see a need to disable TCP, and providing such an option just
allows naive users to shoot themselves in the foot.


> Ah. I was under the impression that I could have a setup that
> doesn’t
> do TCP at all, but it seems that these days, TCP is a requirement.
> Basically, do-tcp must be a yes to be able to resolve the entire
> internet. do-tcp: no means some names will not resolve. And this will
> become worse over time. Setting do-tcp to no might come with a decent
> warning, then.

More information about the Unbound-users mailing list