Hello,
I have this problem, appears invalid connection.
Hi @kristian1369, Please kindly confirm if the time and date that is set on your device/computer is correct?
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I don’t have the same response accessing the website www.nethserver.org
Yes I have the correct date and time.
Where does the message comes from? FortiGate or some other firewall or proxy?
Which browser, Firefox? Is the browser up to date? Does it happen with other browsers?
Some background on the issue and environment? Antivirus?
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Letsencrypt changed a root cert.
Older devices won’t trust it, see
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