On Jan 18, 2012, at 2:45 AM, Leigh Porter wrote:

> The firewall is significant because the attacks killed the firewall as it is 
> rather under specified (not my idea..).


DNS servers (nor any other kind of server, for that matter) should never be 
placed behind stateful firewalls - the largest firewall one can build or buy 
will choke under even moderate DDoS attacks due to state-table exhaustion:

<https://files.me.com/roland.dobbins/679xji>

-----------------------------------------------------------------------
Roland Dobbins <rdobb...@arbor.net> // <http://www.arbornetworks.com>

                The basis of optimism is sheer terror.

                          -- Oscar Wilde



Reply via email to