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Point the user towards tcpdump for logging individual queries #376

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Aug 23, 2024
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Point the user towards tcpdump for logging individual queries #376

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5 changes: 5 additions & 0 deletions doc/manual/running/logging.rst
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Expand Up @@ -7,6 +7,11 @@ in order to keep NSD focused and minimise its complexity.
It is better to leave logging and tracing to separate dedicated tools. Do note,
however, that NSD can be compiled with support for DNSTAP (see ``nsd.conf(5)``).

If some visibility on individual queries is required, consider running
``tcpdump(1)`` on the server, using an appropriate filter rule to capture UDP
and TCP packets to port 53. The tcpdump on most systems will decode the packets
into readable requests and responses.

The `CAIDA dnsstat tool <https://www.caida.org/catalog/software/dnsstat/>`_ can
easily be configured and/or modified to suit local statistics requirements
without any danger of affecting the name server itself. We have run ``dnsstat``
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