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I have a RRAS server configured with two NIC's, one LAN and one for WAN. LAN is 192.168.0.x and the WAN is 192.168.2.x.

I can connect perfect through the WAN NIC subnet, but when I go through the Internet, then it fails..

I took two screenshots of the packet sniffer application on the WAN NIC. The first is the successful internal connection, and the second is the failing remote connection:

INTERN Intern VPN connection (success)

REMOTE Remote VPN connection (failing)

Looks like the RRAS is not communicating with the client.. How do I need to configure my NIC's? At the moment the configuration is as follows:

WAN: IP: 192.168.2.10 SN: 255.255.255.0 DG: 192.168.2.254 DNS: -

LAN: IP: 192.168.0.2 SN: 255.255.255.0 DG: 192.168.0.1 DNS: 192.168.0.51

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My guess is that it's a firewall problem not a server problem, based on the fact that you can successfully connect from the same network segment but not from outside the firewall. – joeqwerty Oct 6 '11 at 12:19
Firewall on the server or firewall on the router? But PPTP just use port 1723 right? But the strange thing is that the incoming remote connection is passed through, only the server response is never sending... – Sven Oct 6 '11 at 13:21
I notice you've got 2 DG's on that server. When you try to connect to the RRAS server from the internet, what MAC address is the connection originating from, the LAN DG or the WAN DG? – joeqwerty Oct 6 '11 at 14:19
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