9 Feb
2014
9 Feb
'14
1:31 p.m.
On 09.02.2014 04:19, James Pifer wrote:
I'm having problems where my upstream bandwidth is being saturated. I've narrowed it down to a DNS issue of some type. If I stop the named service then my bandwidth drops to "normal" according to my untangle firewall.
Your dns server may be used in a reflection/amplification attack, is it an open resolver? Read e.g. http://www.mill-yard.com/2013/07/centos-bind-blocking-dns-reflection-or-ampl...
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