Performance Tuning RHEL 5 and Bind
cswiger at mac.com
Tue Oct 29 04:35:48 UTC 2013
On Oct 28, 2013, at 9:05 PM, Alan Clegg <alan at clegg.com> wrote:
> Slave X.internal.example.com
+1; it’s also worth looking into why there is such a high volume
of DNS queries. Is it simply a big network with a lot of chatty
clients? Or is TTL turned down so low that client side caching
is not effective and needs to requery often?
Or is something doing a host scan? If it’s your network IDS or
security/network admin folks running a portscan, fine; if it’s
malware or an intruder scanning the local subnet(s), one might want
to notice and take steps to solve the problem rather than a symptom.
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