If your WebUI is frozen or showing empty fields, use these quick solutions to restore functionality: 1. Disable "Override Internal DNS" on WAN Interfaces
Several specific issues can cause this failure. Understanding them is the first step to finding the right fix. If your WebUI is frozen or showing empty
Even if ping works, HTTPS might be blocked. Test the actual service endpoint: Even if ping works, HTTPS might be blocked
A successful response returns a webpage or API structure. A timeout or connection refused points to a firewall policy blocking the FortiGate’s local-out traffic. edit your WAN interface
Follow these sequential troubleshooting workflows to restore your server list. 1. Disable "Override Internal DNS" on WAN Interfaces
: If your WAN interface uses DHCP or PPPoE, the ISP's DNS might be overriding FortiGuard's internal DNS, preventing proper resolution. Interfaces , edit your WAN interface, and uncheck Override internal DNS config system interface edit dns-server-override disable end Use code with caution. Copied to clipboard Disable Anycast & Use UDP