Friday, April 16, 2021

pfSense+ box with OpenVPN traversing over a transit network to another site

We are having issues with openVPN going across a transit network, our setup is a pf box on one side ubiquiti antennas connecting 2 separate buildings with a transit /30 subnet and static routes on either end. We can ping across the subnet through the VPN but dns will not resolve anything across the transit network, even though our dns replicates to both sides as secondary zones. I believe it is something build into the VPN config but even listing the DNS server on the other side in the configs won't fix it, even though I can ping it. Feel free to ask for more info, I've never dealt with this type of setup before.



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