Dns-operations mailing list

[Brian Koontz <brian AT opennicproject.org>]

On Sun, Jan 12, 2014 at 11:27:02PM -0600, Hospedaje Web y Servidores 
Dedicados wrote:
> im having same issue with 4 of my dns servers, i get report of DDOS
> attacks from my servers.
> 
> so i need to set the recursion to NO.
> 
> this change will make tier2 work good? or dont?

No, because your T2's have to be recursive.  The problem below was for
a T1.

Have you tried Jeff's scripts and the firewall rules on the wiki?

  --Brian