r2 - 2005-04-13 - 17:14:00 - SteveKosteckeYou are here: NTP >  Support Web > KnownOsIssues > KnownOsIssuesDev
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-4.2.8p11 was released on 27 February 2018. It addresses 2 low-/medium-, 1 informational-/medium-, and 2 low-severity security issues in ntpd, 1 medium-severity security issue in ntpq, and provides over 65 non-security bugfixes and other improvements over 4.2.8p10.

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.

Discussion area for KnownOsIssues

It appears that OS-X uses the information in /private/etc/ntp.conf to populate /etc/ntp.conf. We need to have someone with an OS-X system to try making changes to see if this is true and to see if it's possible to specify configuration directives other than "server" (e.g. restrictions, crypto, etc.)

References:

-- SteveKostecke - 13 Apr 2005


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