[nsd-users] About NSD query logging?

Anand Buddhdev
Wed, 03 Jun 2020 16:51:02 -0000

On 03/06/2020 17:55, Bac Nguyen Huy via nsd-users wrote:

Hi Bac,

> So, my asks: How to config log query in NSD without using TAP.
> And, why have many dns soft, dns system don't support log query.
> Is monitoring log query on DNS Authoritive server really necessary?
> How to monitor abnormal, and tracing in DNS without monitoring query logs.

NSD doesn't have any query logging feature. You can log queries by
running tcpdump on the server, with an appropriate filter rule to
capture UDP and TCP packets to port 53.

Regards,
Anand