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.

`bk://bk.ntp.org/ntp-dev` or `bk://bk2.ntp.org/ntp-dev`

You could also use the `http` if for some reason `bk` protocol is not working

e.g., `http://bk2.ntp.org/ntp-dev`

-- RajulSrivastava - 2019-02-26