How Remote Desktop Works

Remote Desktop allows users to connect to a remote machine and access applications or an entire desktop. To establish their client/server session, users utilize the RDC client. The RDC client, in turn, uses a multichannel protocol called the Remote Desktop Protocol (RDP), which is an extension of the ITU T.120 family of protocols. By default, RDP-based connections are made over TCP 3389, or if Remote Desktop Gateway is used, the connections are made over TCP 443 (HTTPS).

When a user uses RDP, client mouse and keyboard events are redirected from the client to the remote machine. On the remote machine, RDP uses its own onscreen keyboard and mouse driver to receive these keyboard and mouse events from RDC clients. Then ...

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