I would do this by setting up a Web Server (Apache), perhaps with SSL support. This is what I did on my machine to listen to MP3's. This way only certain directories are accessible and you can password protect these directories.
Lance > I'm at work, I would like to mount home_machine:/var/mp3, so I can > listen to my mp3's. Not a lofty goal, but would be nice pull off at > least as proof of principle. If I can do it without compromising the > security of my home machine, great; if not, that's fine too. If I > can't do it without compromising the security of my work network, > that's a showstopper. > > -chris