As an option, you can use an authorized portal that requires users to
pre-accept a certificate before they can access the internet.
Alternatively, you can use a QR code that users can scan on their
devices to install the certificate. You can create a...
The issue could either be with the Ethernet driver or with the routing
settings for different connection types. I've seen a similar problem
here
https://community.fortinet.com/t5/Support-Forum/VPN-connection-works-only-over-wifi-not-wired/m-p/68608