WHM FAQ
Your server needs to be able to communicate with the licensing servers.
To confirm that your server's main IP address matches the IP address stored in the cPanel licensing servers, follow these steps:
Run the following via the command line as the root user:
curl http://www.cpanel.net/apps/myip/
If the IP addresses do not match, then you will need to do one of the following:
Change the routing in your server and network to route outbound traffic from the IP address that is licensed.
Change the IP address on the license to match the IP address returned by the curl command.
Check the license on http://verify.cpanel.net to ensure that it is valid. If it is not, please contact your license provider.
If your license is valid, run the following via the command line as the root user:
rdate -s rdate.cpanel.net /usr/local/cpanel/cpkeyclt
Ensure that your server can query the root nameservers and has a valid hostname. If you need assistance with this, contact your hosting provider.
If these steps did not fix the issue, contact your license provider.
Issue the following command in a terminal session:
rm -f /var/cpanel/objcache/whmnews
You can now block IP addresses using WHM's Host Access Control feature ( Main >> Security Center >> Host Access Control).
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