NcFTPd general.cf file configuration
Don't forget to restart NcFTPd after modifying the general.cf file.
This specifies a list of groups (from /etc/group) whose members become restricted users or have permissions added/removed when they login. This can be a comma-delimited list of group names or group IDs. It can be the special keyword all to restrict all users. In addition, you can use the all except sequence to specify that all users except users in the list of groups should be restricted.
To keep things simple, it is recommended that you create a special group named restrict in /etc/group and put all the users you want restricted in this group.
This option, in conjunction with
You also need to use