Using Mulvad as an endpoint - wireguard plugin SOLVED

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Hello,

I have been trying to get this working, however I am stuck.

detals....
OPNsense v 23.1.6-amd64
Has this worked before? No, just trying to get this to work for the first time.
Documentation used - https://docs.opnsense.org/manual/how-tos/wireguard-selective-routing.html ( used for firewall rules and routes ) & https://listed.to/@lissy93/18842/how-to-mullvad-vpn-using-wireguard-on-opnsense (used to help with getting IP for endpoint & local WireGuard configs )

Where I am at now:

I have a configured WireGuard VPN endpoint with Handshakes and the Mulvad GW is responding to ICMP.  I can see, from my Mulvad admin page,  the new Wireguard key that matches the pubkey from my instance.

If I configure my PC's interface to an IP that is in the Alias list to use the Mulvad VPN end point and I try to open a web page, I am presented with what looks to be a portal request, but no page renders. I get a message 'You must open network log in page' when using Firefox, and when using Brave, I am presented with a Cert issue. 

I can ping my local GW as well as the Mulvad GW, but not beyond that.

This leads me to believe that I may have a correct configuration, but I am not permitted to route my traffic to the endpoint? The other possibility is that traffic is not making it back, but I am not seeing hits in the logs.

Any assistance to get this working would be much appreciated.

Regards,   


Issue was resolved with a mis-configuration on the Gateway monitoring IP