What port should I open to allow remote desktop? - Server Fault

port 3389 tcp or udp TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP. UDP ports use the Datagram Protocol..

2 sport betting  Flow Control: TCP manages the rate of data transmission between the sender and receiver to prevent network congestion. For RDP, TCP port 3389 is the default port used. This port must be open in the firewall to allow RDP traffic.

bj88 sport.com  By default, the server listens on TCP port 3389 [2] and UDP port 3389. [3] Microsoft currently refers to their official RDP client software as Remote Desktop Connection, formerly "Terminal Services Client". The protocol is an extension of the ITU-T T.128 application sharing protocol. Microsoft makes some specifications public on their website. [4]