How to configure Cisco 1841 router to connect through satellite?

I am trying to configure my Cisco 1841 router to connect to the Internet through a satellite dish. I am stuck.

All i need to know is what to do on my router. Sample config would be appreciated as well. I also want the outside world to access services such as web and ftp through the satellite connection

The connection is as follows

LAN———-|Cisco 1841 Router|———–|Satellite modem|——Internet

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