I have a rip station for a few digital printers that I want to limit access, internet, usage, and anything that could cause an issue and only allow that rip station to get access/files from my FTP. My rip station is Windows 7 64 and my FTP is Ubuntu 12.04. What is the best way to do this?
If your FTP station has a static IP address or is on the same local network, you could simply set your firewall rules on the rip station to only allow outgoing and incoming port 21 (assuming you are using a non encrypted FTP connection) to the IP address of the FTP server.
This will probably be insufficient if you are trying to connect through the internet to a computer with a dynamic IP address, as used by most broadband connections.
If it is on the local network it may help to assign the FTP station an IP address manually rather than by DHCP, to eliminate the chance of it changing when more computers are added to the network.