In the series of a total of five initial tutorials on security for Flash Media server, the second and third are now up on the site. Check out the details here:
In this tutorial we talk about using some server side code to put permissions on clients to allow or not allow them to do something in your application during runtime to help protect your applications on Flash Media Server. This is the second of a series of tutorials that will be covering securing your applications and server. By using this bit of functionality on the server side, you can help stop malicious users from accessing certain functions you have in your application. This method is not usable for the streaming version of FMS.
Tutorial #52: Flash Media Server Security : Using the client IP to help protect your server
In this tutorial we talk about using some server side code to check the client IP address and allow or disallow the connection in your application during runtime to help protect your applications on Flash Media Server. This is the third of a series of tutorials that will be covering securing your applications and server. By using this bit of functionality on the server side, you can help stop malicious users from accessing your application if you catch them either doing something or previously know which IP addresses you want to allow. This method is not usable for the streaming version of FMS.