Modem Access with OpenVPN
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Hello everyone. I have recently setup my pfSense firewall and got it configured the way I like, mostly. I have the WAN interface (configured as PPPoE), the LAN interface, the physical WAN interface, and finally an OpenVPN interface (Client). The openvpn is strictly used for only one IP address, all the rest of the internet traffic is supposed to go out the normal WAN - PPPoE.
I have followed the guide here: https://doc.pfsense.org/index.php/Accessing_modem_from_inside_firewall
Before I setup the Openvpn client, this worked and I was able to access the web GUI of the modem. Once I added the OpenVPN interface and got that connected, it no longer works. Is there an additional NAT rule that I need because of the OpenVPN?
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If I had to guess, it is not OpenVPN that's the problem but the introduction of policy routing. See if this doesn't have the information you need to fix it:
https://doc.pfsense.org/index.php/Bypassing_Policy_Routing
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If your routing your client out your vpn, how do you expect it to get to your modem? Put a rule in front of your vpn rule that allows you to connect to your wan device.
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If I had to guess, it is not OpenVPN that's the problem but the introduction of policy routing. See if this doesn't have the information you need to fix it:
https://doc.pfsense.org/index.php/Bypassing_Policy_Routing
This was exactly it, and after getting it setup, makes total sense. Thanks for information. Much easier than I thought it would be.
