Ignore create ftp user and pass after create vhost

Hi All
I create Master ftp account to log to all domains that I created
every time I create vhost, they ask me to create ftp user name and password, so how I create vhost without create ftp user and pass

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I try to stop ftp by this 2 commands

service pure-ftpd stop
chkconfig pure-ftpd off

after I do this I created a new vhost but ask me again to create ftp username and pass for this vhost

 

@eva2000

 

I dont know how I do that, can you explain more please

 

thanks a lot , work fine now