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RDP to Server with the XG WAN having a private IP

Davox1

My set up at the moment is

ISP 210.250.200.10 => Router 192.168.1.1  => XG WAN interface 192.168.1.55  => DMZ Server 192.168.206.10.

I would like to RDP to my server in DMZ from the internet. The problem i am having is that my XG is not directly connected to the public IP instead its getting its WAN IP address from a Private IP address given by the router.  There is now way round this set up. 

How can i configure the XG to allow me RDP into the server. 

Any help will be greatly appreciated.



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  • 0

    Hello Davox,

    Thank you for contacting the Sophos Community!

    You would need to open the RDP Port on your upstream server, basically do a DNAT, and then do the same on the XG.

    In the XG you can create the DNAT rule using the Server Access Assistance (DNAT), however, first you will need to create the RDP service

    Go to System >> Hots and Services >> Services >> Add 

    Name = RDP_3389

    Type = TCP/UDP

    Protocol = TCP 

    Source Port = 1:65535

    Destination Port = 3389

    Once it is saved go to Rules and policies >> NAT rules >> Add NAT Rule >> Server Access Assistant (DNAT)

    Internal IP = 192.168.206.10

    Public IP address = #PortX = 192.168.1.55

    Services = RDP_3389 (the one created)

    External Source = Any

    To confirm if the XG is receiving the communication from  your upstream Router, you can do a tcpdump on the XG by using the Advanced Shell (5>3)

    # tcpdump -eni Port2 port 3389

    Regards,

  • 0 in reply to emmosophos

    Thanks. The XG configuration i am fine with. On the wifi router, assuming my ISP address is 205.25.200.10.

    What will the the rule on the router be to allow the translation to he XG.

     On my router i did. is that correct ?

    205.25.200.10 port 3389 TCP

    to 

    192.168.1.55 port 3389 TCP

  • 0 in reply to Davox1

    Hello Davox,

    Thank you for the follow-up.

    Yes, that should be fine. 

    Regards,

  • 0 in reply to emmosophos

    I am still not able to RDP

  • 0 in reply to Davox1

    Hello Davox1,

    Did you do confirm if the XG is receiving the communication from your upstream device by doing the TCPdump?

    Regards,

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