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I'm trying to RDP to a Ubuntu VM from a Windows PC. However I get the error:

Error

I've installed xrdp and made sure it was running as well as let port 3389 through the firewall. I've also tried disabling the firewall, but nothing has worked so far.

Update 1: So I've managed to connect to the VM, but when I attempt to access another machine running Ubuntu it won't work. I'm using the same settings as I did on the VM and connecting through a VPN so it is on LAN.

I'm able to SSH into the other machine. Firewall is disabled. Running netstat I get: netstat

Update 2: I can't telnet into port 3389 on the machine. Running netstat -plnt |grep rdp returns the following: netstat grep rdp

accasdf
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  • To give useful input, we'll need a lot more information about the network topology - for example, is the connection between VM and host bridged or NAT? Is the Windows PC also the VM host, or is a separate machine? Are you trying to connect within the same LAN, or from an external network? – steeldriver Oct 26 '23 at 23:26
  • I've updated the info, see above. It seems to work not with the VM but not when I connect to a separate machine. – accasdf Oct 27 '23 at 14:37
  • If your original problem with the VM is solved, please consider answering your own question by clicking the button below. This will help others. Ask a new question about the RDP with VPN with details about your network and VPN setup. Try disabling the VPN and use port forwarding instead to see it it works. – user68186 Oct 27 '23 at 15:01
  • Basic network debugging steps: try connecting to the port, e.g. telnet <ip> 3389. Does that work? – rustyx Oct 27 '23 at 15:03
  • Unfortunately, I'm not actually sure how I solved the problem on the VM. I just did a clean install of Ubuntu again and it worked. – accasdf Oct 27 '23 at 20:21
  • I can't telnet to that port. It works on the SSH port though. – accasdf Oct 27 '23 at 20:24
  • Running the command: sudo netstat -plnt | grep rdp, it shows that \xrdp is listening on port 3389 but \xrd-sesman is listening on 3350. Could this be the issue. I've added a screenshot of this in the original post. It also seems like xrdp-sesman is using tcp6 while xrdp is using tcp. – accasdf Oct 27 '23 at 20:27

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