Anonymous / FTP users are allowed to access the FTP. Suppose if there is a user named as JOE then how can I allow him to access the FTP?
How to allow a particular user to access the FTP?
ftp
Not sure why you chose vsftpd, as the documentation is notoriously lacking/distributed.  However, to answer your question - the simplest method of allowing registered user access is through enabling local users:# Uncomment this to allow local users to log in.local_enable=YESThere are other options, dependent on your needs, such as storing users in a database engine like MySQL.  For more pertinent information, please check the following pages:vsftpd configuration - online man pageviki (vsftpd community wiki) - local user configurationviki (vsftpd community wiki) - virtual user configuration (db)Assuming you meant you compiled vsftpd when you said I made my own, then this information should apply.  Let us know if this is an incorrect assumption or if the info provided doesn't assist.