[nsd-users] nsd can't bind udp socket: Address already in use

Anand Buddhdev anandb at ripe.net
Wed Jul 10 10:29:45 UTC 2013

On 10/07/2013 12:10, zongo saiba wrote:

Hi Zongo,

> Sorry i forgot to mention that NSD is listening on port 5353
> Unbound is listening 53.
> One of my main goal is to have unbound talk directly to NSD for
> authoritative server on only.
> For that I understood that unbound and NSD would have to use the same
> port - Is this correct ?
> Nevertheless, i tried the same port "53" but got same error message as
> mentioned above>

Okay, so you're on a Mac, where port 5353 is already in use by
mDNSResponder. Just configure your NSD to use some other high-numbered port.



More information about the nsd-users mailing list