Hi,
On the details of SMB I've no clue, you could look at the SAMBA website,
who have reverse engineered this stuff.
The SET_FILE_INFO I can understand, how else does the 'Accessed' propoerty
get updated.
Thanx,
Jaap
On Mon, 9 Oct 2006, Hila Sheftel - Israel wrote:
> Hi,
>
> I am trying to learn a bit about SMB. I sniffed the copying of a file
> from a shared folder in the LAN I belong to to my desktop. From some
> reason, the file was copied 3 times to my computer (3 Read AndX
> Responses), and the exact same process [NT Create AndX Request, NT
> Create AndX Response, Trans2 Request (SET_file_info), Trans2 Response
> (Set_file_info), Read AndX Request, Read AndX Response (containing the
> file Data), Close Request, Close Response] was repeated. It think it is
> not due to timeouts, because the responses were received before the
> following requests were sent. I have no idea why it happens, but it adds
> a lot of redundent traffic. Have any idea wat is the problem? Moreover,
> in the above process, my computer tries to SET_FILE_INFO. Why does it do
> so (SET info) if it only COPIES the file?
>
> I attach the pcap file.
>
> Thanks for your help,
>
> Hila
>
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