php - Forbidden appears after configuring the lamp environment

Question

As shown in the figure, full control permissions have been set for the www directory. Still like this

Answer 1

If you don’t define index的时候，默认Apache认为你是在访问一个目录，而这默认在Apache, 403 will be returned.

Answer 2

Please enter the address corresponding to servername in your browser address bar

Answer 3

Set default homepage.
Upload the default homepage. For example index.php or something