- If the Web-UI window is closed, Login using CLI commands and revert the config to any previously working ones. An Example is shown below. If access is not closed, proceed from Step2.
admin@FW> configure
admin@FW# load config version <version #> => using ? displays the config versions
admin@FW# commit
admin@FW#>exit
- Using Web-UI login, Generate a self-signed ECDSA certificate with the Certificate Authority box checked using GUI: Device > Certificates > Generate.
- Generate a leaf ECDSA certificate signed by the certificate created above using GUI: Device > Certificates > Generate
- Add the leaf ECDSA certificate to an SSL/TLS Profile that profile should have Min Version set to TLSv1.2. This can be done using GUI: Device > Certificate Management > SSL/TLS Certificate Profile
- Add that SSL/TLS Service Profile in GUI: Device > Setup > Management tab > General Settings.
- Commit the configuration.
- Login access should work fine after commit.