r4 - 2015-01-23 - 13:07:16 - DL8OBHYou are here: NTP >  Users Web > TWikiUsers > DL8OBH
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.

Are you using Autokey in production? If so, please contact Harlan - he's got some questions for you.
FirstName Olaf
LastName Moeller
OrganisationName Amateur Radio
Profession HAM Radio Amateur
Country Germany


Location Ilsede nr. Hanover


InstantMessaging (IM)

Email af0a@qsl.net
HomePage dl8obh.users.dk0mav.as64643.de.ampr.org, time.dk0mav.as64643.de.ampr.org
Comment NTP and more Time-Protocols for the european Amateur-Radio HAMNet:
Daytime Protocol (RFC 867) TCP/UDP-Port 13 (https://en.wikipedia.org/wiki/Daytime_Protocol)
Time Protocol (RFC 868) TCP/UDP-Port 37 (https://en.wikipedia.org/wiki/Time_Protocol)
Network Time Protocol NTPv4(RFC 5905) TCP/UDP-Port 123 (https://en.wikipedia.org/wiki/Network_Time_Protocoll)
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