It looks like implementing basic HTTP authentication with Express v3 was trivial: app.use(express.basicAuth('username', 'password')); Version 4 (I'm using 4.2) removed the basicAuth middleware, though, so I'm a little stuck. I have the following code, but it doesn't cause the browser to prompt the user for credentials, which is what I'd like (and what I imagine the old method did): app.use(functio