![]() Many times, hackers use the 3389 listening port to connect to remote systems and use a system of automated password guessing to gain access to it. Microsoft uses the standard port 3389 for all remote connections - and this is no secret. Why change the RDP port number? Shutterstock In some ways, the criticality of listening ports is also a vulnerability as hackers can take over the listening port to connect to remote computers. However, note that a host allows only one remote connection at a time, and if someone tries to use the host computer or connect to it from another device, the remote connection is lost.įrom the above discussion, it’s clear that listening ports are a critical part of remote desktop working. It almost feels like you’re sitting in front of the remote computer and working on it! And all this is because of the back-and-forth communications through the listening port. In turn, the host asks for login credentials, checks it against its list of preconfigured remote desktop users, and accordingly gives permission.Īfter you log in, the listening port sends your keyboard strokes and mouse movements to the host computer and gathers and displays the data from the host to your computer. When you start a remote desktop session, the client (your computer) sends a signal to the host computer via the listening port 3389 requesting permission to connect. Windows operating systems come with a built-in Microsoft Remote Desktop, a client application that allows you to connect and access resources and files on remote computers using the Internet. Let’s briefly see how Windows supports remote desktops. ![]() ![]() Reduces configuration time for new devices.ĭue to these immense benefits, RDP is widely used and is a part of the Windows operating system.Deliver applications on different devices including thin clients.Enables you to add processing power or capability to existing devices without costly upgrades.This RDP forms the basis for building virtualized solutions and, through them, offers flexibility, extensibility, and cost-value to your organization and customers. It enables you to connect to and access other devices remotely through the Internet. Remote Desktop Protocol (RDP) is Microsoft’s proprietary protocol that comes with a graphical user interface. Even as businesses open, this trend is likely to stay relevant, and this is why we will be looking at ways to enhance security while accessing remote systems. According to TrustRadius, the remote desktop traffic increased by 16X during the pandemic, with March to April 2020 alone seeing a 1,587% increase per week. See Related Articles list for more info.The work-from-home culture that saw a big uptick during the pandemic has fueled the growth of remote desktop, productivity, and collaboration tools. Although changing the connection port on the RDP clients is quite easy, you CAN also change the connection port for the TS client. You’ll need to configure your TS client to connect to the new port. A better option is to use the RDP client found in Windows XP, or even better, the newer Windows Server 2003 SP1 RDP 5.2 client ( Download RDP 5.2). You can now connect to the new port by using the “old” Windows 2000 Terminal Server client. Modify the port number in Hex and save the new value. Find the “PortNumber” subkey and notice the value of 00000D3D, hex for (3389).HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp To change the default port for all new connections created on the Terminal Server: How do I change the Terminal Server (or RDP) listening port?īy default, Terminal Server (For Windows 2000 and Windows Server 2003) and Remote Desktop Protocol (for Windows XP and Windows Server 2003) listens on TCP port 3389.
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