On Thu, Sep 27, 2012 at 08:55:58AM -0600, Miguel Mata <mm...@intercom.com.sv> wrote a message of 30 lines which said:
> Guys, No gals on NANOG? > The attacks comes from various sites from the other side of the pond > (46.165.197.xx, 213.152.180.yy). How can you be sure? With UDP, you have zero guarantee on the source IP address. (Checking the TTL can give you a hint if the packets really come from the same point.) Source and destination port? If source port is 53, it may means you're the target of a DNS reflection+amplification attack, a la CloudFlare <http://blog.cloudflare.com/65gbps-ddos-no-problem>.