What is NTP_Monlist vulnerability

NTP_Monlist vulnerability

Vulnerable computer systems and applications:

Service Stations.


NTP is an Internet protocol designed to accurately set the time and synchronize computer systems. Using the NTP server vulnerability may help execute service disruption attacks (DDoS).


  • Deactivate the NTP service or;
  • Configure NTP so that it’s only accessible from an internal network or;
  • Upgrade NTP server to 4.2.7 p26 version.