A lot of people who have server with WHM/cPanel has been getting messages like this tonight.
A new app has been registered with AppConfig.
ACLS required: software-ConfigServer-csf
System User: root
Display Name: ConfigServer Security&Firewall
Entry URL: configserver/csf.cgi
You can view all current registered apps here: Apps Managed by AppConfig
And a lot of server owners has wondered if this is a genuine message, or are they been a victim of some sort of attack on their servers.
There is no need for the alarm, these message is caused by the WHM/cPanel update to 11.38.1., it is perfectly normal and there is no need for any kind of action.
In the new version there were changes implemented by cPanel for addons software, and that is the cause of the message showing up for addons like ConfigServer software.
The message can be sent for other ConfigServer plugins, not only for ConfigServer FIrewall.