allow 允许访问IP
allow 192.168.2.3;
允许所有访问
allow all;
deny 拒绝某个IP地址访问
deny 192.168.2.3;
拒绝所有访问
deny all;
示例：拒绝192.168.56.1访问本服务
location / {
index index.html index.php index.htm;
deny 192.168.56.1;
allow all;
}
