Most FTP Servers support kick idling users from FTP, Keep Alive can helping you stay at FTP Servers
Enable Keep Alive: check this option to enable "Keep Alive" feature
Send "Keep Alive" Command: by sending a FTP Command to treat FTP Server
you are not
Interval: decides how many seconds to performa a "Keep Alive" action
Stop Sending Command After: check this option to stop idle after some minutes
And logout from site: if checked this option, FTPRush will disconnect from site after stop
sending keep-alive commands.
Reconnect to FTP when got kicked: when FTP Server kicked you FTPRush will reconnect
it automatically If this option be checked
Random Send "Keep Alive" Command: Some FTP servers may recognize you
when send same FTP command to keep alive, Check this option FTPRush will select a
command from "Keep Alive" command list and send it to FTP server.