OT: Require authentication on Apache proxy server?

[Charles Farinella]

I've been asked to require a username and password in order to access an 
Apache proxy server.  I can find no reference to this in the Apache proxy 
documentation.  Does anyone know how this is done?

--charlie

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Charlie Farinella, Appropriate Solutions, Inc.
cfarinella at AppropriateSolutions.com
603-924-6079