FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
AnthonyH
Staff
Staff
Article Id 304842
Description This article describes why users may be unable to login to a Single Sign On Administrator account.
Scope FortiGate.
Solution

Issue:

If all local FortiGate Administrators has trusted hosts configured, it will not be possible to login to the Single Sign-On Administrator account and will receive the error 'Unauthorized user'.

In the example below, the SSO Administrator account does not have any trusted host configured (it is not possible to set a trusted host for SSO Admins). However, when trying to log in, the error 'Unauthorized user' is received.

 

config system sso-admin
    edit "admin_sso"
       set accprofile "super_admin"
       set vdom "root"
    next
end

 

The issue is that, when checking the local administrator accounts, each local administrator is set to have a trusted host.

 

config system admin

    edit "admin"

        set trusthost1 192.168.1.0 255.255.255.0

        set accprofile "super_admin"

        set vdom "root"

        set password ENC SH2YcMUmBTS8VeZnUBTwM6otd3izhZBGR+OlT/ZeDR2GVLaBVypc/RDb486DbM=

    next

    edit "admin_th_1"

        set trusthost1 10.10.10.0 255.255.255.0

        set accprofile "super_admin_readonly"

        set vdom "root"

        set password ENC SH2vUGE3Xl8waYen78uXbv9Du3y2ISpkt9m+uIA6cddwK4kX4J56AGM97dMp+g=

    next

end

 

Solution:

  • Remove the trusted host from one local administrator account.

 

config system admin

   edit "admin"

      unset trusthost1

end

 

One alternative is to create a 'dummy' local administrator without a trust hosted with a custom admin profile with no read/write permissions and a strong obfuscated username and password. 

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