[ Thanks to An Anonymous Reader for
this link. ]
“At times, when I am browsing the web, I click on a link such as
this one and instead of a web page, I get a dialog box asking me to
enter my user name and password. And only after I have been
authenticated do I get access to the website (or page). This
feature of password protection is very simple to implement in
Apache web server.“Basically, the whole process of password authentication banks
on just two files…”