permissions - VirtualBox Ubuntu server guest: serving of symfony app ends up with: attempt denied by server configuration - Ask Ubuntu

i'm running ubuntu server using virtualbox develop symfony app. i've set shared folder, changed apache default folder /var/www/html /media/sf_apache_shared shared folder, convenient development.

the default apache's index.html file, denoting apache set correctly, works fine. problematic moment comes play, once try run symfony app.

if try create default symfony app, following result:

although can create symfony app using same way, outside of folder, example inside of /var/www/html.

i've checked permission of sf_apache_shared folder result of 770, using following command:

stat -c %a directory 

but aside fact, manually copied symfony app project sf_apache_shared , tried access project, windows host, using chrome. result apache's logs are:

client denied server configuration: /media/sf_apache_shared/my_project_name/app/ client denied server configuration: /media/sf_apache_shared/my_project_name/src/ 

here server configuration: