How to protect a web page with htaccess with a password

1. Create a .htpasswd file:
   

   $ htpasswd -c .htpasswd <username>
   password: 
   

2. Create or add these lines to .htaccess file:
   
   • To protect a directory:
     

     AuthUserFile /full/path/to/.htpasswd
     AuthType Basic
     AuthName "Protected Folder"
     Require valid-user
     

   • To protect a file:
     

     AuthUserFile /full/path/to/.htpasswd
     AuthType Basic
     AuthName "Protected Page"
     
     <Files "protected_page.html">
       Require valid-user
     </Files>