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.

Add New TWiki Tip Of The Day

There are Custom Tips maintained on your local NTP installation, Official TWiki Tips maintained on the TWiki.org web site, and Plugin Tips maintained by Plugin authors.

Add a Custom NTP Tip

Custom tips are located in the Users web. You can add custom tips that are specific to your TWiki installation and to your organization in general.

Add an Official TWiki Tip

Official TWiki tips are located in the TWiki web. Please do not submit new tips on your local TWiki installation since they will get lost on a TWiki upgrade. Visit TWiki:TWiki.TWikiTipsOfTheDayAddNew to contribute official TWiki tips.

Add a TWiki Tip for a Plugin

If you are a Plugin author you can ship your TWiki:Plugins.PluginPackage with one (or more) tip of the day topic. Create the Plugin tip of the day topic here, then package it with your Plugin.

Related: TWikiTipsOfTheDay, TWikiTipsOfTheDayAdmin, TWikiTipsOfTheDayTemplate

-- TWiki:Main.PaulineCheung - 18 Jan 2005