i've single server that have 3 virtual host : mail.xx.com, xx.com, 'n ftp.xx.com with the same ip
202.102.20.3
i can access my 3 domain with browser using ftp with the same result,

my question....
how to disable ftp acces to: mail.xx.com 'n xx.com, so just ftp.xx.com that can access by user