NAME-4402 - Duplicate entries in hosts file

(Networking)

This information is provided as part of the Lynis community project. It is related to Lynis control NAME-4402 and should be considered as-is and without guarantees. Any advice and commands should be tested before implementing them in production environments.

Description

This test found multiple duplicates in the hosts file

How to solve

When one hostname is more than once defined, it may be caused by automation tooling or manual efforts. This is a sign to check for and find the related cause.

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About

Lynis is a technical security auditing tool for Unix flavors like Linux, macOS, AIX, Solaris, and *BSD. It is open source software and free to use. Typical usage include system hardening, compliance testing, and vulnerability scanning. The project has an active community, including development via GitHub.

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