Default file permission for firewalld.conf is 644 not 640 (CentOS). Even if I think that "others" don't need to read that, it always shows up as file with non-default permissions from default rpm package in security scans. e.g. "rpm -Va |grep ^.M" or more salty way: "salt '*' pkg.verify" / salt '*' pkg.modified firewalld mode=True; manual fix e.g. rpm --setperms firewalld-*.el7.noarch