r5 - 2013-02-25 - 23:13:40 - SteveKosteckeYou are here: NTP >  Servers Web > ServerForm > ServerStratum
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-4.2.8p9 was released on 21 November 2016. It addresses 1 high- (Windows only), 2 medum-, 2 medum-/low-, and 5 low-severity security issues, 28 bugfixes, and contains other improvements over 4.2.8p8.

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.
The time server stratum is the position at which a time server operates in the NTP hierarchy.

A stratum 1 time is directly connected to a reference clock and is at the top of the time server hierarchy.

A stratum 2 time server receives the time from one, or more, stratum 1 time servers. Stratum 2 time servers are not significantly less accurate than stratum 1 time servers.

IDEA! Use the Inactive option of ServerStratum to mark a TimeServer as Inactive.

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