A technician wants to use Remote Desktop to configure another PC. Which firewall port on the remote PC should be open in order for Remote Desktop to work?

Last Updated: Nov 7, 2020
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A technician wants to use Remote Desktop to configure another PC. Which firewall port on the remote PC should be open in order for Remote Desktop to work?

  • 23
  • 20 and 21
  • 80
  • 115
  • 389
  • 3389

Explanation: Port 23 is used for Telnet, port 115 is used by Simple File Transfer Protocol, and port 443 is used by HTTPS. Port 3389 is used by the RDP (Remote Desktop Protocol) to connect to other PCs remotely.

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