If you would like to require users to supply login credentials before accessing the Web, you can create policy to configure access privileges using authentication.
This solution assumes you have already configured users and groups for authentication (using RADIUS, LDAP, Microsoft Active Directory, or other authentication servers) and created a realm on the ProxySG to connect to these servers.
These high-level steps provide instructions on creating policy in the Visual Policy Manager (VPM). For a basic introduction to creating policy, see the training video:
To create Web authentication policy: