Hello Jeff, You can set up and customize a captive portal to direct user authentication by way of an authentication profile, an authentication sequence, or a client certificate profile. Captive portal can be used in conjunction with the User-ID Agent to extend user identification functions beyond the Active Directory domain. Users are directed to the portal and authenticated, thereby creating a user-to-IP address mapping. Also If the user cannot be identified based on login information, an established session or client probe, the firewall can redirect any outbound HTTP requests and redirect the user to a web form. The web form can transparently authenticate the user through a NTLM challenge, which is automatically evaluated and answered by the web-browser or through an explicit login page. Thanks
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