require valid user for direcoty htaccess code example

Example: apache basic auth setup

#install apache utilis
sudo apt-get install apache2 apache2-utils
#add apache user
sudo htpasswd -c /etc/apache2/.htpasswd some_username_here

#Setup Directory permissions in Apache Config
<Directory "/var/www/html">
	AuthType Basic
	AuthName "Restricted Content"
    AuthUserFile /etc/apache2/.htpasswd
    Require valid-user
</Directory>
#restart apache
sudo service apache2 restart