How do I FTP to newly set up debian cccam sever?

Hello,

I have just installed a new debian server using Ten Below's tutorial.
But I am unable to FTP the DCC or FlashFXP.

Is there another program to do this?
Or do i need to put some command on the server to make it work?

Regards,
Ibrar

Thank you very much for the replies.
Has resolved part of my problem.