Examples : 127.0.0.1 -> 127.0.0.1 will be banned. 192.168.0.* -> all IPs from 192.168.0.1 to 192.168.0.255 will be banned. 192.*.*.* -> all IPs from 192.0.0.0 to 192.255.255.255 will be banned. (*) asterisk required.