Ftpmonitor is a simple plasmoid for KDE 4, which monitors incoming
connections to ftp daemons. It acts as a frontend to pure-ftpwho,
ncftpd_spy and ftpwho for pure-ftpd, ncftpd and proftpd ftp daemons.
For vsftpd it looks for output of ps ax.

WWW: https://code.google.com/archive/p/ftpmonitor/