On 3 of my cPanel DNS Only server I am seeing this below after upgrade to WHM 11.48.0 (build 7). WHM Home » Security Center » cPHulk Brute Force Protection Thank You for installing cPanel & WHM. In order to access the interface, you will need to make sure that the software license on this server is active and installed. Your license could not be activated because: Cannot Read License File First, go to License Verification - cPanel Inc. and enter the public IP address of this server to make sure it is licensed. If licensed, try running /usr/local/cpanel/cpkeyclt from the command line as root. You'll also need to make sure that port 80 is open to contact our license server and that your server's hostname is a FQDN. If you don't currently have a license, you can obtain a trial license by registering at the cPanel Store and requesting a trial under Free Services. You can purchase/lease a license directly from cPanel or from one of our Partners Once the license on this server is active, you will no longer see this message. If you have installed a license since loading this page, click here to reload.