Device : Device > Access Domain

Device > Access Domain
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Configure access domains to restrict administrator access to specific virtual systems on the firewall. The firewall supports access domains only if you use a RADIUS, TACACS+, or SAML identity server (IdP) server to manage administrator authentication and authorization. To enable access domains, you must define:
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When an administrator attempts to log in to the firewall, the firewall queries the external server for the access domain of the administrator. The external server returns the associated domain and the firewall then restricts the administrator to the virtual systems that you specified in the access domain. If the firewall does not use an external server for authenticating and authorizing administrators, the Device > Access Domain settings are ignored.
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Device