allowing only 1 country access to directadmin

hello

how to allowing only 1 or few countries access to directadmin login (only directadmin ControlPanel, no sites)

i do not use csf
os: Centos last version
After Doing this, the firewall does not start:
Unit firewall.service could not be found.

thanks./

Hello,

CSF/LFD can filter access to the server depending on which country an IP belongs to.

I don't know for sure whether it can be a port based filtering, probably can anybody enlighten it. But you might give it a try.