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Date: Mon, 8 Jun 2015 14:44:14 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: can't change a file's permissions  + some ssh
Message-ID: <20150608124414.GF3005@calimero.vinschen.de>
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On Jun  7 17:46, Marilo wrote:
> after some fiddling with ssh.. removing the service, removing keys, re-ru=
nning ssh-host-config, I got this error=20
>=20
> harvey@samsung350 ~=20
> $ tail /var/log/sshd.log=20
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@=20
> @         WARNING: UNPROTECTED PRIVATE KEY FILE!          @=20
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@=20
> Permissions 0670 for '/etc/ssh_host_ed25519_key' are too open.=20
> It is required that your private key files are NOT accessible by others.=
=20
> This private key will be ignored.=20
> bad permissions: ignore key: /etc/ssh_host_ed25519_key=20
> Could not load host key: /etc/ssh_host_ed25519_key=20
> Disabling protocol version 2. Could not load host key=20
> sshd: no hostkeys available -- exiting.
>=20
>=20
> So I tried changing the file's permissions but I can't seem to change them
>=20
> harvey@samsung350 ~=20
> $ ls -l /etc/ssh_host_ed25519_key=20
> -rw-rwx---+ 1 cyg_server root 411 Jun  7 17:23 /etc/ssh_host_ed25519_key=
=20
>=20
> harvey@samsung350 ~=20
> $ chmod 600 /etc/ssh_*=20
>=20
> harvey@samsung350 ~=20
> $ ls -l /etc/ssh_host_ed25519_key=20
> -rw-rwx---+ 1 cyg_server root 411 Jun  7 17:23 /etc/ssh_host_ed25519_key=
=20

Note the extra permissions indicated by the trailing '+'.  Try
`setfacl -b /etc/ssh_host_ed25519_key'.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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