@@ Apache version 2.4 and above. @@
Create .htaccess file in /var/www/html directory and add following lines
********************************
AuthType Basic
AuthName "Password Required"
AuthUserFile /var/www/html/webmail/.htpasswd
AuthGroupFile /dev/null
Require user webmail
*******************************
Create another file for storing password and save it as blank file
vim /var/www/html/webmail/.htpasswd
Create & store password
htpasswd -m /var/www/html/webmail/.htpasswd webmail
Now enable a module with below command
a2enmod authz_groupfile
Restart apache2 service
Edit apache.conf file with below lines
AccessFileName .htaccess [remove hash (#) in front of this line]
Change below lines from
**********************************
<Directory /var/www>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
*********************************
to
*********************************
<Directory /var/www/html>
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
*********************************
Restart apache2 service and check now. It will prompt you for username and password.
Create .htaccess file in /var/www/html directory and add following lines
********************************
AuthType Basic
AuthName "Password Required"
AuthUserFile /var/www/html/webmail/.htpasswd
AuthGroupFile /dev/null
Require user webmail
*******************************
Create another file for storing password and save it as blank file
vim /var/www/html/webmail/.htpasswd
Create & store password
htpasswd -m /var/www/html/webmail/.htpasswd webmail
Now enable a module with below command
a2enmod authz_groupfile
Restart apache2 service
Edit apache.conf file with below lines
AccessFileName .htaccess [remove hash (#) in front of this line]
Change below lines from
**********************************
<Directory /var/www>
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
*********************************
to
*********************************
<Directory /var/www/html>
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
*********************************
Restart apache2 service and check now. It will prompt you for username and password.