2.2 configuration:
Order deny,allow Deny from all
2.4 configuration:
Require all denied
常用到的有以下幾種
Require all denied
Require all granted
Require host xxx.com
Require ip 192.168.1 192.168.2
Require local
相關文件請參考：http://httpd.apache.org/docs/2.4/mod/mod_authz_core.html#require
