How to configure certificates with Firebox IKEv2 VPN.
By default, a WatchGuard firewall uses its own self‑signed certificate for IKEv2. Important: WatchGuard does not support user certificates for IKEv2 login! The certificate is used only to encrypt the connection between the IKEv2 client and the firewall, so the username and password can be sent securely — similar to how HTTPS works on websites.…