Samplewall ルール書式
https://github.com/henrypp/simplewall/wiki/Rules-editor
IP addresses 192.168.0.1; 192.168.0.1;
IP addresses with port 192.168.0.1:80; 192.168.0.1:443; [fc00::]:443;
IP ranges 192.168.0.1-192.168.0.255; 192.168.0.1-192.168.0.255;
IP ranges (with port) 192.168.0.1-192.168.0.255:80; 192.168.0.1-192.168.0.255:443; (v2.0.20 and above)
IP with prefix lengths (CIDR) 192.168.0.0/16; 192.168.0.0/24;
Ports 21; 80; 443;
Ports ranges 20-21; 49152-65534;
Hosts www.microsoft.com; www.google.com; (v2.0 and above)
Hosts with ports www.microsoft.com:443; www.google.com:443; (v2.0 and above)
Port 443を使用する一部グーグルサーバは、ポートを指定しないとブロックできない
例：
216.58.192.0-216.58.223.255:443