Server fleet open to NTP attack drops from 400k to just 17,000 Sysadmins rejoice! NSFOCUS researchers say hundreds of thousands of Network Time Protocol (NTP) servers have been patched, reducing the threat from some devastating and cheap distributed denial of service (DDoS) attacks.…

See the original article here:
Sysadmins rejoice! Patch rampage killing off nasty DDoS attack vector