Trouble authenticating with OfficeJet CIFS client

Bob Richmond bob at
Wed Jul 18 20:35:41 GMT 2007

No problem, I've attached the trace of an earlier attempt.

Jeremy Allison wrote:

> On Wed, Jul 18, 2007 at 08:34:53AM -0700, Bob Richmond wrote:
>> I have an HP OfficeJet 9130 network-attached multifunction printer, and 
>> one of its functions is a scanner that includes an integrated CIFS 
>> client for storing the resulting images.
>> I'm trying to get it to store the images on a Samba share, and every 
>> time I attempt to authenticate from the printer console, it results in 
>> an authentication error.
>> So I fired up wireshark and compared the smb transaction generated 
>> through smbclient (which authenticates fine with client ntlmv2 auth = 
>> yes turned on) and the transaction generated when attempting the same 
>> authorization from the printer. The difference between smbclient and the 
>> printer is that the printer, during NTLMSSP_NEGOTIATE, stores in its 
>> "Security Blob," a GSS-API structure that contains the NTLMSSP section, 
>> while smbclient contains a SPNEGO structure that contains the NTLMSSP 
>> section:
> Can you send me an ethereal trace of the printer trying and failing,
> rather than the text dump. That will make it musch easier to work out
> how in our code to fix this.
> Thanks,
> Jeremy.
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