Invalid ALLOWHIDDENFILE configuration option: Not a file: /dev/.initramfs

This rkhunter software is driving me nuts with all these false positive alerts.
ALLOWHIDDENFILE apparently is not working on symbolic links (version 1.3.8) and I was unable to whitelist this “/dev/.initramfs” file until I found this blog below:

Follow the steps that the blogger mentioned above and you will be able to whitelist symbolic links

rkhunter manual

Other links: