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Forum Discussion
RBR40 VPN setting
Hi, guys. I have RBR40 build V2.5.1.16 and I enable the VPN feature which can be working successfully all the time. In recently, I wonder the RBR40 master router can assign the specify IP addr...
h0u5er wrote:I have RBR40 build V2.5.1.16 and I enable the VPN feature which can be working successfully all the time.
In recently, I wonder the RBR40 master router can assign the specify IP address, netmask, gateway, and DNS server to my laptop when I connect to the VPN by tunnelblick? It's possible can I ssh to my master router and configure the openvpn service?
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Perhaps you could expand on the question. The Orbi router does use DHCP to assign an IP address, netmask, gateway, and DNS to the client computer. Are you asking if you can configure these values? The Orbi router/satellite do not support ssh connections. They do support telnet, which can be activated from the Orbi debug web page (http://orbilogin.net/debug.htm)
My Orbi has enabled the DHCP for the local user and it will assign an IP address, netmask, gateway, and DNS server to the local client. BTW, the gateway address and DNS address is the same as Orbi's address itself.
But my question is can we assign another gateway address and DNS server settings to the client who will be requesting network information through a VPN connection? I mean I plan to use the other address (NOT Orbi's address) to act as a gateway and DNS for the VPN client.
OpenVPN probably has a way to do this. Notice the line in the config:
up dhcp-client-request.sh
I believe that you can substitute parameters in this file for the IP, subnet mask, gateway, DNS, etc. I have looked (briefly) at the OpenVPN User Documentation, and felt like "Alice down the rabbit hole." Holy Moly. Bewildering.
https://openvpn.net/community-resources/reference-manual-for-openvpn-2-4/
While substituting a different DNS seems to pose little problem, I would be very cautious of messing with the subnet and gateway values. Unless there is an existing computer connected to the Orbi with an IP address that matches, then the VPN connection will have "no way out". I do not see how this can be possible.
Since you are on a Mac platform, maybe the folks at tunnelblick could offer advice?
I learn the docs from tunnelblick website and known the *.opvn file is supported by tunnelblick. so I guess the OpenVPN configuration file will be supported on Orbi and try to find some use cases on this forum. But no luck.
Why I plan to assign another gateway address and DNS address (They are the same address) to the VPN client? Because I want to audit and inspect the traffic which comes from outside and connect to my home.
The network diagram like this
https://i.loli.net/2020/07/04/QXbKHGgIiLBy3TY.png