Hi all,
We are facing the Forti-Client authentication login page issue by our all the users.
We are using 800D UTM having v7.4.3 build2573 version.
Error is ERR_CERT_AUTHOURITY_INVALID and we checked on event Viewer log & found error : The Certificate received from the remote server was issued by an untrusted certificate authority. Because of this, none of the data contained in the certificate can be validated. The TLS Connection request has failed.
Attached URL action also not worked:
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Is this SSL VPN? Do you happen to be using "Fortinet_Factory" default cert for SSL VPN? And, recently upgraded the FGT to v7.4.3, which caused this symptom to start for all users?
If all "yes", the default cert might have gotten broken during the last upgrade. Try creating a new one if that's the case and change the cert to that one for SSL VPN.
Toshi
Hi Toshi_Esumi, thank you for your reply but, -
It is not SSL VPN, it is local login ids are created. We have not upgraded version recently, earlier everything was fine. We are using Fortinet_GUI_Server certificate.
Did you manage to resolve this? I have a similar issue in that our Chromebook users no longer get prompted with the fortigate login screen, instead a NET::ERR_CERT_AUTHORITY_INVALID message.
No, we are still facing the same issue.
I have had two-hour remote sessions with Fortinet tech support, and I still haven't received a resolution. I will post back here with any updates.
Fortinet team recommended my below changes for solution:
config user setting
set auth-cert Fortinet_Factory
set auth-ca-cert Fortinet_CA_SSL
set auth-secure-http enable
end
Download the **Fortinet_CA_SSL** certificate and install it on the endpoint under **Trusted Root Certification Authorities**.
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