FTP for fast file transfer
But that might not be too great for security when browsing the web. Go to the control panel and check-out internet connections and go to the protocol sections and see what are installed. There are usually three types NetBios, IPX/SPX and TCPIP. For most casual internet users you would only need TcpIP for the NetBios and other protocols were usually used be other Platforms such as Novell and other platforms that were used for inter-connection in between them.
Leaving these protocols installed can have intruders going in and out without you knowing it using no security at all transferring everything from the first byte to the last as is.