我的apache版本：Apache/2.4.23 (Win64) PHP/5.6.25 Server at localhost Port 80
httpd.conf文件中：
Require all denied （对应2.2的Deny from all）
Require all granted （对应2.2的Allow from all）
解决方法：把Require all denied更改为Require all granted
Forbidden You don't have permission to access / on this server.
原文：http://www.cnblogs.com/yolo-bean/p/7352314.html