[nsd-users] Basic Logging Support Via Syslog
wouter at NLnetLabs.nl
Tue Sep 1 07:19:15 UTC 2009
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You may already have considered this, but:
tcpdump -vv udp port 53 and "udp & 0xf == 3"
which prints out all nxdomains passing the server,
this is not good enough for that purpose?
On 08/31/2009 07:05 PM, Lew Payne wrote:
> I think I brought this up several years ago...
> I'd love to see basic logging support in nsd. Namely, the use of
> syslog calls to facilitate logging of basic data (request IP, query
> type, host name if any), especially for FAILED queries (ones that are
> NXDOMAIN). Looking at a log of failed queries tells you a lot about
> possible configuration errors (especially if migrating) and provides
> valuable insight into possible security issues (probes, etc).
> -Lew Payne
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