r1 - 2005-02-05 - 02:08:11 - TWikiContributorYou are here: NTP >  TWiki Web > TWikiTipsOfTheDay > TWikiTip007
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-4.2.8p13 was released on 07 March 2019. It addresses 1 medium-severity security issue in ntpd, and provides 17 non-security bugfixes and 1 other improvements over 4.2.8p12.

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.

Linking to a file attachment

One can create a link to a file attachment using one of the following TWikiVariables, %ATTACHURL% or %PUBURL%.

%ATTACHURL% is the full URL for attachments in the current topic. For example:

%ATTACHURL%/image.gif

To link to a file attachment in another topic, use the %PUBURL% variable. For example:

%PUBURL%/%WEB%/OtherTopic/image.gif

See More Tips...

-- TWiki:Main.PaulineCheung - 29 Jan 2005

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