There is an even easier way. Use nginx.
I don't consider WordPress to be server agnostic - it's built for Apache and it only works well on IIS because Microsoft made some effort to make it happen.
http://blog.rassemblr.com/2011/01/wordpress-need-for-speed-o...
http://www.kalzumeus.com/2009/08/22/using-wordpress-and-rail...