Current File : //lib/systemd/system/csf.service

[Unit]
Description=ConfigServer Firewall & Security - csf
After=network.target
Before=lfd.service

[Service]
ExecStart=/usr/sbin/csf --initup
ExecStop=/usr/sbin/csf --initdown ; /usr/sbin/csf --stop
RemainAfterExit=yes
Type=oneshot

[Install]
WantedBy=multi-user.target