If you want a subset of your users to have access to your vsftpd FTP server, edit /etc/vsftpd.conf adding the following: # Activate only users in /etc/vsftpd.enabledusers userlist_deny=NO userlist_enable=YES userlist_file=/etc/vsftpd.enabledusers The file /etc/vsftpd.enabledusers must contain the list of users enabled to access the FTP service, one per line. Be sure to also add the support…