JOIN Network Time Foundation: DONATE NTP Ntimed Linux PTP RADclock GTSAPI More NTP: The Network Time Protocol NTP Home Bugs Contact Documentation Download Links Search NTP users are strongly urged to NETWORK TIMEFOUNDATION take immediate action to ensure that their NTP daemons are not NTP Projects susceptible to R & D being used in Public Services distributed denial-of-service Useful Links (DDoS) attacks: Contributors Please also take Developer Notes this opportunity Issues and Bugs to defeat denial- RFCs of-service Time Servers attacks by implementing Tarballs Ingress and Stable: 4.2.8p15 Egress filtering 2020/06/23 through BCP3&: Dev:: 4.3.99 2019/06/07