Today, I imported a new CA certificate at D300 and lost GUI connection.
I can access the firewall through putty so it is online.
Please see the detail I found. I can see set admin-server-cert " " there is no certificate on it.
Compared with another firewall and I can see it is self-sign added.
Please share if anyone has any ideas or suggestions. Thanks in advance!!
******* # sh sys glo config system global set admin-https-ssl-versions tlsv1-2 set admin-server-cert '' set admin-sport 443 set admintimeout 20 set alias "**************" set hostname "********" set ldapconntimeout 1000 set log-uuid-address enable set proxy-auth-timeout 5 set timezone 65 set wifi-ca-certificate "Fortinet_CA" set wifi-certificate ''
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