In custom app installation I have “The “Strict-Transport-Security” HTTP header is not set to at least “15552000” seconds.” message.
For Apache it should to be set VirtualHost file as:
<VirtualHost *:443>
ServerName mysubdomain.mydomain.com
Header always set Strict-Transport-Security “max-age=15552000; includeSubDomains; preload”
Where and what exactly to add in CyberPanel?