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[rlai000]

I've set a domain on DNS forwarder to a VPN linked DNS server.  After the upgrade (Jan 20), I cannot resolve the domain anymore.  The VPN link is working though.  It seems other functions are working too.

I need to manually revered back to earlier snapshot (Jan 1).  But it said the config file is for newer version.  I restored my backup and it's working as expected.  I assume Jan 20 has a newer config file structure that make my DNS forwarder not working.

-Raylund

[rlai000]

I found the problem.  It's the route/gateway of VPN didn't work.

As pfsense cannot accessing the server in the other side of the VPN, I need to create a gateway with the same IP as the LAN interface on LAN interface.  And than set a route to the subnet of other side of the VPN via this gateway.

In the new snapshots, the gateway/routing is missing.  That's why I cannot resolve the domain which is queried by the server in the other side of the VPN.

-Raylund

[ermal]

You can apply this fix manually https://rcs.pfsense.org/projects/pfsense/repos/mainline/commits/1801c22373d998409261841cbff03a0a1f7e7077

That should resolve your issue.