On Tue, 4 Dec 2012, Bill Hoffman wrote:
I would start at investigating the actual TCP packets when the final parts
of that transfer arrived. Were there any bits/flags sent in any direction
that give any hints on what exactly happened and which side did what?
I am not that much of a TCP expert. What tools would you recommend for
finding this out? We have access to the server and client machines.
I would suggest using wireshark, and once the connection has failed you can
save just the last say 100 packets with the TCP stream and attach that pcap
file in a follow up here. Could reveal something.
One more small piece of information. We took a successful download of a
file and chopped off the end of it to make it match the size of a failed
file and they were still different. So, it seemed that there was something
missing from the middle of the file.
That is indeed very curious. Can you investigate how they differ and if
there's a pattern over repeated test runs (and failures) ?
--
/ daniel.haxx.se
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