Web server password management

[stan]

I am setting up an Aoache2 webserver, and I want to require authenticon for
some of it's contents. I am thinking of using htaccess. 

Is there a package that I can install that will allow users to request that
various account management tasks be done. What I have in mind is a page
that let's people request accounts, allows me to approve these request, and
updates the users for for htpassword?

-- 
One of the main causes of the fall of the roman empire was that, lacking
zero, they had no way to indicate successful termination of their C
programs.