diff --git a/doc/manual/running/logging.rst b/doc/manual/running/logging.rst index 39f091d3..6f3a1b06 100644 --- a/doc/manual/running/logging.rst +++ b/doc/manual/running/logging.rst @@ -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 `_ 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``