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ich hoffe das hilft dir auch wenns nicht per mail kommt...
3389/TCP -- RDP
Remote Desktop Protocol (RDP) is the protocol that enables a thin client to communicate with the Terminal server over the network. This protocol is based on the International Telecommunication Union (ITU) T.120 protocol, an international, standard multiple-channel conferencing protocol that is currently being used in the Microsoft NetMeeting conferencing software product.