3.4 Verify that docker-registry.service file permissions are set to 644 or more restrictive
Information
https://docs.docker.com/articles/systemd/
Solution
#> chmod 644 /usr/lib/systemd/system/docker-registry.service This would set the file permissions to '644'. Impact-None. Default Value-This file may not be present on the system. In that case, this recommendation is not applicable. By default, if the file is present, the file permissions are correctly set to '644'.