--- HTACCESS ---

.htaccess
AuthName "Heading for Dialog Box"
AuthType Basic
AuthUserFile  
AuthGroupFile /var/.htgroup
require group htaccessgroupname


.htgroup
htaccessgroupname:  


Where is  the htaccess password file
which htpasswd

.htpasswrd
htpasswd -c /var/.htpasswd htaccessusername
New password: 
Re-type new password: 
Adding password for user htaccessusername


HTTPD|APACHE2 configuration

#
# DocumentRoot: The directory out of which you will serve your
# documents. By default, all requests are taken from this directory, but
# symbolic links and aliases may be used to point to other locations.
#
DocumentRoot "/var/www"

AccessFileName ".htaccess"

...

#
# DocumentRoot: The directory out of which you will serve your
# documents. By default, all requests are taken from this directory, but
# symbolic links and aliases may be used to point to other locations.
#
DocumentRoot "/var/www"

AccessFileName ".htaccess"

...

#
# The following lines prevent .htaccess and .htpasswd files from being
# viewed by Web clients.
#

    Require all denied


...

Given how AllowOverride is set in a global location  might need this entry ... 

Directory "/var/www/html/info">
    AllowOverride AuthConfig