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Date:	Wed, 20 Feb 2019 21:25:36 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cygwin 3.0.1-1 breaks my sshd install
Message-ID:	<20190220202536.GX4256@calimero.vinschen.de>
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On Feb 20 21:01, Houder wrote:
> On Wed, 20 Feb 2019 10:53:09, scowles at ckhb dot org wrote:
> >=20
> > i can confirm the same behaviours on a 3.0.0 system.  i've done several=
 checks=20
> > and have been unable to find the source of the problem.  ssh -vvv shows=
 that the=20
> > connection proceeds all the way through the connection process, sends t=
he=20
> > appropriate key tokens, then the server abruptly closes the connection.=
 all=20
> > accounts on the system show the same results.
> >=20
> > my 2.11.1 system, with identical ssh[d]_config files has no such proble=
ms.
> >=20
> > on both systems, all relevant files and directories have correct owners=
 and=20
> > permissions.
>=20
> Yes, failure for 3.0.0 (and 3.0.1); success for 2.11.2
>=20
> Henri
>=20
> 64-@@ uname -a
> CYGWIN_NT-6.1 Seven 3.0.1(0.338/5/3) 2019-02-20 10:19 x86_64 Cygwin
>=20
> 64-@@ tail /var/log/sshd.log
> Server listening on 0.0.0.0 port 222.
> seteuid 1004: Permission denied

Sorry guys, but I can't reproduce this problem at all.  I tested ssh
login on Vista, W7 and W10 1809, in each case on 64 bit and under
WOW64.  On all systems I can login with domain as well as local
accounts.

For completeness sake I started sshd under SYSTEM as wel as under
cyg_server account and every time it just worked.

The only reason for failing logins coming to mind is the case of
the usernames.  It must be written *exactly* as returned by
`getent passwd'.  I.e.:

  $ getent passwd | grep -i foo
  MACHINE+Foo:*:197608:197121:U-MACHINE\Foo,[...]

You have to login like this:

  $ ssh MACHINE+Foo

This will not work:

  $ ssh machine+foo


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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