file which lists users who are not allowed to use ftp
/etc/ftpusers is used by proftpd(8);
the file contains a list of users who are not allowed to use the ftp command.
For security reasons at least users like ``root'', ``bin'', ``uucp'' and
``news'' should be listed in this file. Blank lines and lines beginning with
`#' are ignored.
Note: a lines with `#' in the middle is
not a comment. Don't put `#' after a name to comment it;
use another line, or things will silently fail on you.
/etc/ftpusers might contain the following entries: