Well Guys,
I am getting quite sick of these 'DNS Reflection attacks' so I thought i'd make a thread about it, on what they are and how to fix your servers from taking part!
Recent Spamhaus 'take down' with 75gbps attack from these type of attacks
Define DNS Reflection attack
How to resolve:
Kloxo fix: http://www.maxofweb.com/2013/03/kloxo-dns-amplification-and-reflection.html#.UVC_-uuoq6U
According to Cloudflare it took the attacker/s just 750Mbps to send a 75Gbps DDoS
Jack