Troubleshooting : Solutions by issue type : Connectivity issues : Examining server daemons
Examining server daemons
If a route exists, but you cannot connect to the web UI using HTTP or HTTPS, an application-layer problem is preventing connectivity.
Verify that you have enabled HTTPS and/or HTTP on the network interface. Also examine routers and firewalls between the host and the FortiADC appliance to verify that they permit HTTP and/or HTTPS connectivity between them. Finally, you can also use the CLI command to verify that the daemons for the web UI and CLI, such as sshd, cli, nginx, and php-fpm are running and not overburdened:
diagnose system top delay 10