Manually define the DDNS entry without relying on the server list:
Test connectivity to the FortiGuard servers using the built-in ping tool. Manually define the DDNS entry without relying on
Starting with FortiOS 6.2, FortiGate enforces strict SSL certificate validation for FortiGuard communications. If the firewall’s system certificate is expired, self-signed, or untrusted, the DDNS list load fails. Manually define the DDNS entry without relying on
Run from CLI: