This setting controls how these network transports are selected. Automatically select most efficient transport Use this setting if you are not aware of any problems that require you to specify a transport method. Click the Auto Configure button to have RealPlayer automatically configure itself to use the most efficient mode of transport for your connection. Use specified transports Use this setting if your computer has problems using some network transports. Click the Specify Transports button to access the Specify Transports window .
Some networks have limited ports available for Internet applications.
This setting controls which port RealPlayer applications use for receiving data. Specify Transports Window Field Description Use TCP to Connect to Server Select this option if you want RealPlayer to use TCP for the initial connection to RealServer. Attempt to use Mutlicast for live content Check this box to have RealPlayer attempt to use Mutlicast for live streams. Attempt to use UDP for static content Select this option if you want RealPlayer to attempt to use UDP for static content and live content not available via multicast. Attempt to use TCP for all content Check this box to have RealPlayer use TCP for all streams.