"Then gateway monitoring is probably misconfigured. Check the routing table for 8.8.8.8." Meeans, use a IP-Adresse on the other Side of your Wiregurad-Tunnel.
"There was a key mismatch for my VPN server, but OPNsense was reporting a successful handshake. Is it possible to change the way OPNsense reports the Wireguard status?" Yes, ther is, create a report at: https://github.com/opnsense/core/issues
"There was a key mismatch for my VPN server, but OPNsense was reporting a successful handshake. Is it possible to change the way OPNsense reports the Wireguard status?" Yes, ther is, create a report at: https://github.com/opnsense/core/issues
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