530 because I have a firewall in my cpanel ?

I have a firewall in my cpanel so when I want to access it, I need to enter the user and password of the firewall then the user and the password of me

How can I enter both of these so I can use FTP ?

It gives me the 530 whenever I enter one of them !!!

Hm I don't quite understand the problem. Are you sure you have the correct username/password to access the FTP server?