openbsd:
[Interface]
PrivateKey = <redacted>
ListenPort = 51820

# client 1
[Peer]
PublicKey = <redacted>
AllowedIPs = 10.0.0.2/32

freebsd:
[Interface]
PrivateKey = <redacted>

[Peer]
PublicKey = <redacted>
AllowedIPs = 0.0.0.0/0, ::/0
Endpoint = 192.168.1.123:51820