Unable ssh login using Windows Domain account using password autheationntic

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Unable ssh login using Windows Domain account using password autheationntic

by Perdue, Dave T. CIV NAVAIR 5.4.3, Bldg 2035, Rm 205, Cube 200 :: Rate this Message:

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We are currently using Cygwin 1.5.12-1 on our Windows 2000 Domain as the ssh server for our PCs.  1.5.12-1 ssh allows us to log into the domain PCs remotely using our domain accounts.  I installed Cygwin 1.5.19-4 on one system and find that when I remotely log in using a domain account the native Windows "whoami" command reports my identity as "NT AUTHORITY\SYSTEM".  When I remotely ssh log in on the same system using a local account I see the correct identity.  All logins are using manually entered passwords.  I used the following commands to create the passwd and group files:

mkpasswd -l > /etc/passwd
mkpasswd -d  >> /etc/passwd
mkgroup -l > /etc/group
mkgroup -d >> /etc/group

I configured ssh to use the sshd privilege separation account and specified "ntsec binmode tty".  The sshd server is configured to logon as the local system account.  What changes do I need to make to allow 1.5.19-4 to support logons using our domain account like 1.5.12-1 can?  Thanks in advance for any help that you can provide.

Also, I have noticed that an "id -G" in 1.5.12-1 produces the same output when logged in locally and thru an ssh session, while in 1.5.19-4 it produces different output for the two types of logon.

David Perdue


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Re: Unable ssh login using Windows Domain account using password authentication

by Igor Peshansky :: Rate this Message:

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On Wed, 22 Feb 2006, Perdue, Dave T. wrote:

<http://cygwin.com/acronyms/#PCYMTWLL>.  Thanks.

> We are currently using Cygwin 1.5.12-1 on our Windows 2000 Domain as the
> ssh server for our PCs.  1.5.12-1 ssh allows us to log into the domain
> PCs remotely using our domain accounts.  I installed Cygwin 1.5.19-4 on
> one system and find that when I remotely log in using a domain account
> the native Windows "whoami" command reports my identity as "NT
> AUTHORITY\SYSTEM".  When I remotely ssh log in on the same system using
> a local account I see the correct identity.  All logins are using
> manually entered passwords.  I used the following commands to create the
> passwd and group files:
>
> mkpasswd -l > /etc/passwd
> mkpasswd -d  >> /etc/passwd
> mkgroup -l > /etc/group
> mkgroup -d >> /etc/group
>
> I configured ssh to use the sshd privilege separation account and
> specified "ntsec binmode tty".  The sshd server is configured to logon
> as the local system account.  What changes do I need to make to allow
> 1.5.19-4 to support logons using our domain account like 1.5.12-1 can?
> Thanks in advance for any help that you can provide.
>
> Also, I have noticed that an "id -G" in 1.5.12-1 produces the same
> output when logged in locally and thru an ssh session, while in 1.5.19-4
> it produces different output for the two types of logon.
>
> David Perdue

You did everything correctly, except: your default domain may not be the
domain you're logging into.  "mkpasswd/mkgroup -d" use the default domain.
You might want to explicitly specify the domain name on the command line,
like this: "mkpasswd -d YOURDOMAIN >> /etc/passwd", and similarly for
mkgroup.
HTH,
        Igor
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Re: Unable ssh login using Windows Domain account using password autheationntic

by Corinna Vinschen-2 :: Rate this Message:

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On Feb 22 12:51, Perdue, Dave T.  CIV NAVAIR 5.4.3, Bldg 2035, Rm 205, Cube 200 wrote:
> We are currently using Cygwin 1.5.12-1 on our Windows 2000 Domain as
> the ssh server for our PCs.  1.5.12-1 ssh allows us to log into the
> domain PCs remotely using our domain accounts.  I installed Cygwin
> 1.5.19-4 on one system and find that when I remotely log in using a
> domain account the native Windows "whoami" command reports my identity
> as "NT AUTHORITY\SYSTEM".

That's normal for public key authentication (as noted on this list
zillions of times) and it's a bug in case of password authentication,
which is supposed to be fixed in recent developer snapshots (download
from http://cygwin.com/snapshots/) and eventually in 1.5.20.


Corinna

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Parent Message unknown RE: Unable ssh login using Windows Domain account using password autheationntic

by Perdue, Dave T. CIV NAVAIR 5.4.3, Bldg 2035, Rm 205, Cube 200 :: Rate this Message:

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        I installed "cygwin-inst-20060222.tar.bz2" from http://cygwin.com/snapshots/ into a fresh install of 1.5.19-4, rebooted, and still have the same issue.  When I use ssh (using a PASSWORD) to remotely log into this system with a local account the native whoami.exe properly shows my identity.  When I remotely log in (still using a PASSWORD) with a domain account the native whoami shows my identity as NT AUTHORITY\SYSTEM.  This does work properly under 1.5.12-1 on the same system.  All help is greatly appreciated.

David Perdue

 

-----Original Message-----
From: cygwin-owner@... [mailto:cygwin-owner@...]On Behalf
Of Corinna Vinschen
Sent: Wednesday, February 22, 2006 13:39
To: cygwin@...
Subject: Re: Unable ssh login using Windows Domain account using
password autheationntic


On Feb 22 12:51, Perdue, Dave T.  CIV NAVAIR 5.4.3, Bldg 2035, Rm 205, Cube 200 wrote:
> We are currently using Cygwin 1.5.12-1 on our Windows 2000 Domain as
> the ssh server for our PCs.  1.5.12-1 ssh allows us to log into the
> domain PCs remotely using our domain accounts.  I installed Cygwin
> 1.5.19-4 on one system and find that when I remotely log in using a
> domain account the native Windows "whoami" command reports my identity
> as "NT AUTHORITY\SYSTEM".

That's normal for public key authentication (as noted on this list
zillions of times) and it's a bug in case of password authentication,
which is supposed to be fixed in recent developer snapshots (download
from http://cygwin.com/snapshots/) and eventually in 1.5.20.


Corinna

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Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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Re: Unable ssh login using Windows Domain account using password autheationntic

by Christopher Faylor-2 :: Rate this Message:

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On Wed, Feb 22, 2006 at 04:56:31PM -0500, Perdue, Dave T.  CIV NAVAIR 5.4.3, Bldg 2035, Rm 205, Cube 200 wrote:
>I installed "cygwin-inst-20060222.tar.bz2" from
>http://cygwin.com/snapshots/ into a fresh install of 1.5.19-4,
>rebooted, and still have the same issue.  When I use ssh (using a
>PASSWORD) to remotely log into this system with a local account the
>native whoami.exe properly shows my identity.  When I remotely log in
>(still using a PASSWORD) with a domain account the native whoami shows
>my identity as NT AUTHORITY\SYSTEM.  This does work properly under
>1.5.12-1 on the same system.  All help is greatly appreciated.

Following the guidelines at http://cygwin.com/problems.html would
probably be instructive.

cgf

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