US-CERT has previously advised that NTP server administrators update to the newest version to prevent the risk of reflection attacks. The effort to get NTP servers updated and properly configured is one that Prince is also advocating.
“We’re working to get the word out about misconfigured NTP servers to get the fundamental problem cleaned up and help better protect everyone on the Web,” Prince said. “Network administrators can test if they’re running a misconfigured NTP server by visiting: http://openntpproject.org.”