authentication for uploaded files

I wrote a blog post about doing this with Nginx at
http://ramblingsonrails.com/how-to-protect-downloads-but-still-have-nginx-serve-the-files

Andrew Timberlake
http://ramblingsonrails.com
http://www.linkedin.com/in/andrewtimberlake

"I have never let my schooling interfere with my education" - Mark Twain