When you type a path in the browser to reach your website, if your files are listed on the screen; you should avoid this behavior. It is obviously very insecure. Disabling directory listing in apache is very easy. You just need to know where to edit. Go to file " /etc/apache2/sites-enabled/000-default ". Open it with your favorite text editor as root user. Go to /var/www directory block. You will see following lines: <Directory /var/www/> Options Indexes FollowSymLinks MultiViews AllowOverride None Order allow,deny allow from all </Directory> In the line which starts with ' Options ', realize ' Indexes ' keywords. It causes directory listing. Remove it. Then, save and quit the file. Restart apache server ( sudo service apache2 restart ). And that's it.
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