Never mind. I found a way to implement Basic Auth in the Apache Virtual
Server.
Luckily, we have 2 domain names registered for our site.
I use one domain name for the Virtual Front End and the other domain
name for the Virtual Back End.
That way I can require Basic Auth for the Front End but not require it
for the Back End.
I was unsuccessful implementing Basic Auth when I was proxying both the
Front End and the Back End
from the same Virtual Server.
- eric