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    Chris Zielin

    I received the following from Portal support. Seems PPTP VPN is not currently supported with simple port forwarding. You must point the DMZ at your VPN server.

    I was however able to get OpenVPN to work without having to resort to DMZ in case anyone else finds their self looking for a solution.


    I confirmed with our engineer, and here is the answer.

    Since PPTP include PPP connection (L2), so port forwarding rules won't apply to PPP packets. DMZ will work in this case because all inbound packets to WAN will be forwarded to target DMZ IP, PPP packets included.

    OpenVPN can work with port forwarding only if you know all the ports the server will use and add those ports to forwarding rules.

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