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Message-ID:	<092f01c2192d$c61b8430$eb6610ac@lefeuvrewk2>
From:	"Corwin" <Cygwin AT ifrance DOT com>
To:	<cygwin AT cygwin DOT com>
References:	<077b01c21907$6280d130$eb6610ac AT lefeuvrewk2> <20020621133535 DOT H22705 AT cygbert DOT vinschen DOT de>
Subject:	Re: qpopper authentication problem
Date:	Fri, 21 Jun 2002 16:13:10 +0200
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Thanks a lot, this was exactly what I missed ;o)
I was launching popper.exe from user account instead of system account.
Works great now ;o)

Thanx again

Thomas

----- Original Message -----
From: "Corinna Vinschen" <corinna-cygwin AT cygwin DOT com>
To: <cygwin AT cygwin DOT com>
Sent: Friday, June 21, 2002 1:35 PM
Subject: Re: qpopper authentication problem


> On Fri, Jun 21, 2002 at 11:38:17AM +0200, Corwin wrote:
> > I have a problem regarding user authentication using qpopper.
> > My password is rejected whatever I do.
> > I tried with several users that are well defined in /etc/passwd and the
=
> > result is always the same.
> > I tried with ntsec enabled and disabled, no way.
> >
> > Please could someone help me to solve this problem ? Maybe there is =
> > something I don't understand...
> >
> > I think it is a general cygwin related authentication problem (a really
=
> > common problem ;o)
> > Concerning Authentication mechanism in cygwin, may i ask if it would be
=
> > possible that someone write a document about this issue ???
> > I'd do it myself if i had the skill which is not the case unfortunatly.
=
> > And this problem is so recurrent that I think it would be worth the work
=
> > ..
>
> Besides http://cygwin.com/cygwin-ug-net/ntsec.html there's not much
> to talk about.  Cygwin authentication depends on the same rules as
> Windows authentication.  A process which want to change user context
> with password authentication needs "Act as part of the operating system",
> "Replace process level token" user rights, a process which wants to
> change user context just by using setuid() (using NT's NTCreateToken())
> needs the "Create token object" and "Replace process level token" user
> rights.  This means basically that under default conditions only
> SYSTEM has the permissions to change user context.  Normally you
> should start such a process as service.
>
> Corinna
>
> --
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Developer                                mailto:cygwin AT cygwin DOT com
> Red Hat, Inc.
>
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