Sharing a wireless connection to ethernet

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http://forums.fedoraforum.org – I have been searching and haven't quite found out exactly how to do this simple thing. I have a working wireless connection. All I want to do is share the connection through the ethernet port. I have an X-Box, for example, that doesn't have a wireless adapter. Connection sharing in Windows is really easy, but I really want to get it working in F19. None of the things I've seen online have been able to point me in the right direction. Hope I'm not overlooking it, there seems to be a very clear way to share the wireless connection if you are connected some other way. Thanks in advance! (HowTos)