Anyone know what bit 4 is in the flags2 field on the SMB header?

Gerald (Jerry) Carter jerry at
Thu Feb 8 22:29:07 GMT 2007

Hash: SHA1

Christopher R. Hertel wrote:

> My book has bits 3,4,5 and 7,8,9,10 as being 
> "reserved".  That's probably based on the SNIA docs
> as well as source code from Samba and jCIFS.

I know.  I looked.  But I can't find any reference
other than that.  On page 207 of your book it says
"Reserved (must be zero)" but apparently the reservation
is for MS.  :-)  Do you remember where you got the
note that bit 4 was reserved?  I just can find any
reference to it in any of the old docs I have.

> It's possible, I suppose, that Windows systems just 
> ignore these bits and that there is no behavior associated
> with their being set.  I'm interested in finding
> out otherwise as a couple of people working on
> implementations have sent me queries over the last few months.

I'm about at the end of my curiosity this time around.
Wish I had better closure.  Thanks for the chat.

cheers, jerry
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