Using the command line interface (CLI) : execute : execute generate certificate
 
execute generate certificate
The execute generate certificate command allows you to regenerate the certificate for FortiDB web administration.
Syntax
execute generate certificate keysize {keysize}
The variable {keysize} is the subject's public key size for certificate. Valid values are 1024 or 2048.
 
The FortiDB system needs to be reboot after generating new certificate.