Currently each time before an application and after an application is either installed or updated including regular patches, the command rkhunter --propupd is run, followed by the command rkhunter --update before the command rkhunter --check.

What is the recommended approach of running the command and its frequency?


Ossec is also capable to identify rootkit and backdoor like rkhunter. When I look at the OSSEC default configurations, i've seen following descriptions.

Frequency that the rootcheck is going to be executed (in seconds).

Defaults: 36000 (10 hours)

Allowed: Time (in seconds)

Also I believe 10 hours is OK for script execution through crontab.

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