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?
Lv 7

How do I set up an Xfinity Business router to allow three users to access their computers from home using Windows Remote Desktop Login? Thnx?

Update:

Yes. The three computers all have a static IP.

I'm not entirely sure if I know the difference between public and private IPs. I assume the public is for the router which is seen by the world. The private ones are those that I've set to static and are only visible to those behind the router. Therefore, it makes sense that I need port forwarding and why when I enter the ip address in Remote Desktop I have to enter ":port number" too. But it's configuring the modem that has me going nuts.

4 Answers

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  • ?
    Lv 7
    6 years ago

    Thanks, efflandt. I've already set each computer to have a static IP. We've tried Logmein, but the Boss was complaining that it was painfully slow to us. I'll ask them to try Teamview and GoToMyPC to see if they're any faster. But now that I'm stumped, I'm wanting to figure this out.

    Do I need to set up port forwarding to use Microsoft Remote Desktop, and if so, how?

    We had it working on an AT&T DSL modem/router, but we just flipped over to Comcast business, probably the same as your company's 50/10 service.

    From a computer within the network, if I just enter the static IP of another computer into Remote Desktop, I can't get in. However, if I set up port forwarding using Port 80, then I'm able to gain access of the computer from within the network. I haven't tried from without. However, using the same settings for the other static IPs and I get an error with the modem stating that there's a conflict with the settings.

    One of the settings asks for a range of ports. I'm not sure what ports numbers to use. I know port 80 is used incoming internet, but am I supposed to set it up so that a specific port is used for each specific computer? With AT&T router/modem, it was set up so that we had to enter the computer's static IP address in Remote Desktop Connection then colon and the port number (e.g 123.45.6.78:8839). Because of this, I'm under the impression that I've got to set up the Comcast router for port forwarding.

  • 6 years ago

    Do you have a static IP or more than one. If you have 1 public IP you can only forward a particular port to one private LAN IP. But Windows Remote Desktop is not secure anyway. Our company only has that go to a single Windows server that any of us can log into. But because it is somewhat insecure, that is on an isolated LAN that cannot get to the rest of our factory network except for a few specific tasks.

    Simple solution if you do not have a VPN into your company network that they could use would be something like Teamviewer, Logmein, GoToMyPC, etc. Those make a secure outgoing connection to a server on the Internet that they could connect to, to connect to their work PC, without requiring any network configuration on your end other than not blocking those connections.

    I am not specifically familiar with Xfinity Business router. We have Comcast business (no TV) 50/10 cable at our office with a public static IP that our SonicWall uses for VPN to our factory and as NAT router for our office LAN. But I noticed that if I connect a different device directly to the Comcast router and get an automatic (LAN) IP, that uses a public IP adjacent to our public static IP.

  • 5 years ago

    Xfinity Business

  • GTB
    Lv 7
    6 years ago

    The Xfinity Business Router does not have the ability to provide IPsec VPN; you need a router that does this as well as IPsec VPN clients on the pcs that wish to access.

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