r22 - 2012-12-14 - 21:28:28 - SteveKosteckeYou are here: NTP >  Main Web > ExternalTimeRelatedLinks
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.


NTP Ports

Microsoft Windows

Other Related links

Commercial NTP related products are listed on the Vendor Links page.



Please see the NIST Internet Time Service (ITS) page for a list of publishers of computer clock synchronization software.







Windows Binaries

Time Related Web-sites

Online Time Services

Where to find Third Party NTP software

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Main.ExternalTimeRelatedLinks moved from Main.NTPlinksIndex on 2004-01-22 - 16:15 by SteveKostecke - put it back
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