hey, this guy keeps going on different accounts to find an ftp, what kind of action should i take? :-/ it has been going on for a week.

(host28-83.pool80116.interbusiness.it[80.116.83.28]) - ftp: Directory ~ftp/ is not accessible.
(AMarseille-206-1-16-229.w81-50.abo.wanadoo.fr[81.50.81.229]) - no such user 'anonymous@ftp.microsoft.com'
(dsl-082-082-036-100.arcor-ip.net[82.82.36.100]) - ftp: Directory ~ftp/ is not accessible.

thanks