This is a short answer, but I'm into Unix, not NT
I would advice you to look into Kerberos (start on google)

Kerberos is capable of doing cross NT/Unix authentication

GreetZ!,

In reply to Re: Can I use NT authentification for a script running on a Linux server? by ChOas
in thread Can I use NT authentification for a script running on a Linux server? by Anonymous Monk

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