Forum Moderators: phranque
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If you want the pictures to be accessible via HTTP without entering a password, then you can't password-protect them.
However, you could create a server-side acript to serve those pictures from a Web-protected directory. Since the script will access the pictures using server filesystem requests instead of HTTP requests, you can put the pictures in a directory that is inaccessible from the Web.
I'd suggest PHP or PERL for this application.
I haven't done this myself, so that's the most I can offer on the subject.
Jim