This forum is only for reproducible bugs with csf and lfd (i.e. not iptables problems, lack of understanding how to use a feature, etc). Posts must be accompanied with full technical details of the problem and how it can be recreated. Any posts not adhering to this, or not considered bugs, will be moved to the General Discussion (csf) forum.
Cloudlinux 9 is experimental for cPanel at the moment so we have not yet implemented support for it. In the meantime you can restart csf and lfd via the command line.