You can maintain connections even when you aren't transferring files by using the Smart Keep Alive (SKA) feature. SKA sends commands at random intervals to the FTP server, which maintains an active connection.
On the menu bar, choose Tools > Global Options. The Global Options window appears.
In the left pane, expand Connection.
Select Smart Keep Alive.
In the right pane, select the Enable Smart Keep Alive (SKA) check box.
Click OK.
On the menu bar, choose Tools > Global Options. The Global Options window appears.
In the left pane, expand Connection.
Select Smart Keep Alive.
In the right pane, clear the Enable Smart Keep Alive (SKA) check box.
Click OK.
On the menu bar, choose Tools > Global Options. The Global Options window appears.
In the left pane, expand Connection.
Select Smart Keep Alive.
In the right pane, enter a value between 0 and 1000 in Start SKA nseconds after the last command. CuteFTP will begin using SKA after the specified idle time. (Default is 30 seconds)
Click OK.
On the menu bar, choose Tools > Global Options. The Global Options window appears.
In the left pane, expand Connection.
Select Smart Keep Alive.
In the right pane, enter a value between 1 and 1000 in Maintain SKA for nminutes. (Default is 30 minutes)
Click OK.
On the menu bar, choose Tools > Global Options. The Global Options window appears.
In the left pane, expand Connection.
Select Smart Keep Alive.
In the right pane, enter values between 0 and 1000 in Send command at random intervals between nand nseconds. (Default is between 15 and 60 seconds)
Click OK.
SKA sends commands from the Commands list in random order.
On the menu bar, choose Tools > Global Options. The Global Options window appears.
In the left pane, expand Connection.
Select Smart Keep Alive.
In the right pane, click Add and type in another command to add a command to the list.
OR
To remove a command, highlight a command in the list and click Remove.
Click OK.
If the server terminates the connection, CuteFTP will automatically reconnect to the FTP site.
On the menu bar, choose Tools > Global Options. The Global Options window appears.
In the left pane, expand Connection.
Select Smart Keep Alive.
In the right pane, select If disconnected, auto-reconnect within nseconds. (Default is 10 seconds)
Enter a value between 1 and 1000 in the spin box, to set how long CuteFTP waits before reconnecting.
Click OK.