Security Controls

NETW-2704 - Nameserver configuration


Nameservers, or DNS servers, are being used to do host resolving. They resolve a hostname like into an IP address like If one or more nameservers are not working as expected, it might influence the performance of the system and result in other unexpected issues.



How to solve

Add additional DNS servers to the resolving configuration, which is usually /etc/resolv.conf, or part of the networking scripts. See this file if the configuration or the networking script is the original source to be changed.

Linux and Unix System Hardening

This information is provided as part of the Lynis community project. It is related to Lynis control NETW-2704. All information should be considered as-is, without guarantees. Any advice or snippets should be tested before implementing in production environments.


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