NTP users are strongly urged to take immediate action to ensure that their NTP daemons are not susceptible to being used in distributed denial-of-service (DDoS) attacks. Please also take this opportunity to defeat denial-of-service attacks by implementing Ingress and Egress filtering through BCP38.

ntp-4.2.8p15 was released on 23 June 2020. It addresses 1 medium-severity security issue in ntpd, and provides 13 non-security bugfixes over 4.2.8p13.

Please see the NTP Security Notice for vulnerability and mitigation details.

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Are you using Autokey in production? If so, please contact Harlan - he's got some questions for you.

• Server list entry maintainer:
  • Set ALLOWTOPICCHANGE = DennisHilbergJr

• Performance and client statistics: https://saturn.dennishilberg.com/ntp.php
• NOTE: this server runs an automated lockout script that will periodically drop requests from clients which exceed an hourly average of one request every 64 seconds.
• The server's IP address is subject to change, so be sure to use DNS.