How to configure Fortigate Captive Portals (Firewall Authentication Portal)

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If I want to create one machine without authentication to access internet. What can I do?

How user can logout from connection?

Have you ever used captive portal authenticating in an OpenLDAP?

Hey I am a fortinet client , our university has FORTINET login as host and provide us internet by routers can you help me configure the router because login page is not appearing.

Ok thank u for video but please how can a user logout from using the internet after loggin ?

Is it possible to authenticate from the Active directory and Captive portal both?
Currently, Users are getting internet if they login with AD, i want to implement Captive portal for Non AD users.

Thank you! Can I use captive portal for network not connected to Fortigate?

If firewall is working on transparent mode then.?

Thank you so much

Chutiya