If you don't know Ian Griffiths, you should. He's the co-author of my favorite WPF book (with Chris Sells)*. Ian has a great post today that details a bug with the Silverlight 2 Cross Domain Policy file. It seems that the Flash crossdomain.xml file is working, but the Silverlight policy file is broken. Take a read if you are doing cross-domain and pulling out your hair...its a great tip.
* Sure, I wrote the WPF/E appendix but that's not what I prefer it.
