*** NT Authentication Sequence !! ***

Brian Bruns camber at ais.org
Sun Jul 21 16:48:27 EDT 2002



Here is a patch that adds much of the auth stuff to freetds:

http://www.freetds.org/ntlm.diff

It's not all there yet, so take it with a grain of salt.  A really good 
page on the subject is:

http://www.innovation.ch/java/ntlm.html

from which we ripped some of the ntlm hashing code.

Brian

On Sun, 21 Jul 2002, Fernando wrote:

> Hello,
> 
>     I'm codify the login with NT Authentication(under TDS7) but still isn't terminated.
> I think that 80% of the proccess will mapped but I break in a point(by unknown and
> little time) and I want to share my work for found help to terminate the process. Does anybody has interested ? See following:
> 
> -------------------------------------------------------------------------
> Login sequence based in SQL Server Authentication:
> >> 0x10 (login packet)
> << 0xAD + 0xFD
> 
> Login sequence based in NT Authentication:
> >> 0x10 (login packet) -- Negotiate
> << 0xED                -- Challenge
> >> 0x11                -- Authenticate
> << 0xAD + 0xFD
> -------------------------------------------------------------------------




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