Remote users can directly access an application hosted on Windows Server 2008 through Terminal Services RemoteApp without having to open the entire system desktop in a Terminal Session.
远程用户可以通过Terminal Services RemoteApp直接访问运行在Windows Server 2008上的应用程序，而无需在终端会话中打开整个系统桌面。
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The terminal server provides remoteaccess to the product, which can again be used on the client with the help of a special terminal-server client or sometimes simply by a Web browser.
According to the ways and steps of the 3389 terminal installed in remote distance, it discusses some measures to prevent from invalid access for 3389 terminal.