You can receive this error when your ISP provided you with a dynamic IP.
To resolve the issue you can try to:
- use cPanel proxy link
- use http://cpanel.domain.tld link
- use a VPN connection
- ask the current ISP to provide you with a static IP
The cPanel proxy links on Shared Hosting servers look like in the following way:For Shared Hosting
where XXX is a shortened server hostname (e.g., s99, p44, b25, h33).
On VPS or a Dedicated server it’s possible to work with cookie IP validation option in WHM:
1. Log in to WHM and navigate to Home >> Server Configuration >> Tweak Settings menu: