Security Controls

TIME-3136 - NTP protocol version


The NTP protocol version is gathered by Lynis as an informational test. Only when Lynis is not being able to detect the version, it will provide a suggestion to check it manually.



How to solve

Check ntpq output to determine the NTP version manually.

Linux and Unix System Hardening

This information is provided as part of the Lynis community project. It is related to Lynis control TIME-3136. All information should be considered as-is, without guarantees. Any advice or snippets should be tested before implementing in production environments.


Lynis is a technical security audit tool for systems running Linux, UNIX, *BSD, and macOS. It is open source software and free to use. The project has an active community, and can also be found on GitHub.

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