ftp problem

Mark Atkinson atkin901 at gmail.com
Thu Jan 7 21:47:22 UTC 2010


On 01/07/10 10:26, M. Keith Thompson wrote:
> It does a list first to see which file to get.  Then it tries to
> download the 1st file.
>
> It starts downloading the file around:
>
> 14:40:49.668739

Yep, I see that, the only anomoly is no  '226 transfer complete' on the 
command channel after the Fin + PSH from the server to the client.  Not 
sure if this is the complete set data transferred or not, you maybe able 
to tell looking at the complete trace.

The client finishes acking the rest of the data and then sends it's FIN 
as well, then the client closes the command channel and we see the 150 
logout.

I would  suggest loading up the pcap in wireshark and look at the tcp 
analysis to see if it notes anything unusual in the sequence numbers, 
sizes, retransmits, etc that might be causing a problem.



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