FlashShitD is a socket policy file server written in C. This code is a really simple implementation of a socket server with concurrency.

I don't like to write README files, but here, there is a list of URLs about why you should/could use an server:

http://www.adobe.com/devnet/flashplayer/articles/fplayer9_security_04.html

http://www.adobe.com/devnet/flashplayer/articles/flash_player9_security_update.html

Info about this code: http://code.google.com/p/flashshitd/source/browse/trunk/README