Technology Errors

vsftpd: pam_listfile(vsftpd:auth): Refused user root for service vsftpd

If you are attempting to FTP to a server running vsftpd as its FTP daemon you will be refused if this is a default vsftpd installation. It is strongly recommended to not allow root access to FTP because of security concerns which would provide the ftp user access to destroy anything on the server running FTP at will. Regardless it might be necessary for specific tasks and the below information will assist you in configuring vsftpd to allow the root user to login.