Samba WRITEX packet with 32k and only with response

Jeremy Allison jra at
Thu Jun 11 00:24:08 GMT 2009

On Wed, Jun 10, 2009 at 07:38:39AM -0700, MAAOUI.Wael wrote:
> Hi
> I tried to analyse the strange behaviour of samba 3 turning in a Gateway.
> And I noticed that there is only a Write ResponseX with 32768 bytes as shown
> in wireshark capture;
> The writing rate  is very steady.
> I tried  to tune my samba 3.025a and 2.2.12 with all parameters in which I
> can put 32768, and i alawys obtain 61440 bytes in the packet
> the parameters I tried to tune with are : SO_RCVBUf,SO_SNDBUf, read
> size,block size, max xmit 
> this is an example of a response packet :
> 1358	59.681841	  SMB	Write AndX Response, 32768
> bytes
> this the pcap file :
> FAT32_WRITEX.pcap 
> Anyone who has an idea about this configuration,please contact me
> Any suggestion is welcome

Looking at that file I only see a 32k WriteX request (packet 150)
so this seems to be the appropriate thing for Samba to be doing.

What client is this ?


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