NameVirtualHost *
<VirtualHost *>
	ServerAdmin webmaster@localhost
	ServerName localhost # ou ton nom de domaine
	DocumentRoot /var/www
	<Directory />
		Options FollowSymLinks
		AllowOverride None
	</Directory>
	<Directory /var/www/>
		Options Indexes FollowSymLinks MultiViews
		AllowOverride None
	.....
	.....
	Alias /mon_alias /media/web/monrepertoire 
	<Directory /media/web/monrepertoire>
		# Accessible de partout		
		Options Indexes FollowSymLinks MultiViews
		AllowOverride All
		Order allow,deny
		allow from all	
	</Directory>

	Alias /mon_alias /media/web/monrepertoire_privee
	<Directory /media/web/monrepertoire_privee>
		# Accessible uniquement en local		
		Options Indexes FollowSymLinks MultiViews
		AllowOverride All
		Order allow,deny
		allow from 127.0.0.1
	</Directory>

etc ...