
Originally Posted by
Miraenda
The option that determines if you receive a popup box or a login page is this one in WHM > Tweak Settings area under Security there:
Disable Http Authentication for cPanel/WebMail/WHM Logins (forces cookie authentication.) This will help prevent certain types of XSRF attacks that rely on cached Http Auth credentials.
If it is checked, you will have a login page without a popup box. If it is unchecked, you will have a popup box. It is more secure to have it checked and a login page.