r64 - 2014-01-25 - 18:04:00 - HarlanStennYou are here: NTP >  Dev Web > WebHome
NTP users are strongly urged to take immediate action to ensure that their NTP daemons are not susceptible to use in a distributed denial-of-service (DDoS) attack. Please also take this opportunity to defeat denial-of-service attacks by implementing ingress and Egress filtering through BCP38.

ntp-4.2.8p2, released on 7 April 2015, addresses two issues with crafted packets involving symmetric key encryption and Message Authentication Codes.

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.

Welcome to the NTP Developers Web.

This is a web-based collaboration area for NTP Development related issues. Please feel free to add / modify / reorganize / recategorize as necessary to make this Web useful in the NTP development process.

IDEA! For interactive development discussion, please visit the #ntp-dev channel on the Freenode IRC Network. Please use the NTP Pastebin instead of pasting large amounts of information (e.g. ntpq output, ntp.conf files) to the IRC channel.

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