viewing data transfer on ftp port 21

Ed Greshko Ed.Greshko at greshko.com
Tue Nov 28 10:15:37 UTC 2006


thomas wrote:
> There is requirement to view the data transfer being done by any user
> or application on port no 21 (i.e ftp port). Is there any option in
> netstat that can show data is being transfered on port no 21 or data
> transfer has been completed?
> Any other way to track the same?

You will need to record activity on ports 20 and 21.  Port 20 is the "data
channel" for ftp while port 21 is the "command channel".

-- 
To whom the mornings are like nights,
What must the midnights be!
		-- Emily Dickinson (on hacking?)




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