Is there a way to keep-alive an ftp connection using TidFTP?

I'm having a problem keeping my connection alive when it is idle. The noop operation won't work on Linux FTP server and will work on IIS. Since our ftp server is Linux i used call List to keep it alive but that way won't work on other third party ftp server or maybe on IIS. Anybody here knows a way to keep it alive regardless of its ftp server?

thanks,

edwin
edeauxAsked:
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Wim ten BrinkSelf-employed developerCommented:
Does it matter what you send to the FTP server? I think that even when you just send a space, the server will know that the connection is still alive. I don't see why you have to use a valid command... :-)
Otherwise, what about a CHW to the current folder? Or STAT? Or HELP?

Check http://www.w3.org/Protocols/rfc959/ to get the official overview of FTP commands.
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Wim ten BrinkSelf-employed developerCommented:
CHW should be CWD...
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geobulCommented:
Windows Commander suggests NOOP, PWD and SYST for keeping the connection alive.
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