r5 - 2011-06-07 - 20:42:19 - SteveKosteckeYou are here: NTP >  Support Web > ConfiguringNTP > ConfiguringRefclocks > RefclockUsers > WWVRefclockUsers
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-4.2.8p10 was released on 21 March 2017. It addresses 6 medium- and 5 low-severity security issues, 4 informational security topics, 15 bugfixes, and contains other improvements over 4.2.8p9.

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

Are you using Autokey in production? If so, please contact Harlan - he's got some questions for you.
REFACTOR See WWVRefclockUsersDev for discussion of this topic.

14.18. WWV Refclock Users

NTP Version Operating System Computer WWV Receiver Status Who
4.2.5p117@1.1730-o Linux/2.6.24.2 PII/400 Ramsey HFRC1 works StevenBjork
4.2.5p117@1.1730-o FreeBSD 5.4-RELEASE PPro/200 Ramsey HFRC1 works StevenBjork
various FreeBSD 7.0-RELEASE HP xw4100 Icom R75 works DavidAndersen

Related Topics: ConfiguringWWVRefclocks

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