How to enable full CSF UI (ConfigServer Security & Firewall Integrated User Interface)
Edit File: /etc/csf/csf.conf
UI = "1"
UI_PORT = "6666"
TCP_IN = add port 6666 at the end
UI_USER = "test2"
UI_PASS = "test2"
** Dont forget to set the strong login, after-all this is your server firewall!!!
to access it you can use your SSL hostname or IP, example