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Full Discussion: Troubles with OpenSSH
Top Forums UNIX for Advanced & Expert Users Troubles with OpenSSH Post 302680897 by vpundit on Thursday 2nd of August 2012 11:53:47 AM
Old 08-02-2012
Permissions need to be set like this:

.ssh - 600
authorized_keys - 644
(good idea sometimes to link authorized_keys to authorized_keys2 just in case it's looking for that file)

If still no luck its your sshd_config

Code:
/etc/ssh

check for this:

Code:
RSAAuthentication yes
PubkeyAuthentication yes
AuthorizedKeysFile .ssh/authorized_keys
AuthorizedKeysFile ~/.ssh/authorized_keys

I've seen on some system they are commented out.

you may need to read in there to see what is commented and what is permitted to determine if that is the source of your problem....


Very rear but has happened i've seen openssh version mismatch and fixing that fixed the problem.

also you may want to use it like this:

ssh -v <hostname> -l <user>

to get a more detailed output if it is trying to look in the correct directory for .ssh

from the looks of it your going in as root and the /.ssh is not reading

Compare your rsa and dsa keys make sure they are the same... looks like the handshake fumbles.

Code:
debug2: we sent a publickey packet, wait for reply Connection closed by <IP-adres>

hope this helps!
Last edited by vpundit; 08-02-2012 at 01:01 PM..
 

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LEARN ABOUT LINUX

ssh-import-id

ssh-import-id(1)						    ssh-import							  ssh-import-id(1)

NAME

       ssh-import-id  -  retrieve one or more public keys from a public keyserver (Launchpad.net by default) and append them to the current user's
       authorized_keys file (or some other specified file)

SYNOPSIS

       ssh-import-id [options] USER_ID_1 [USER_ID_2] ... [USER_ID_n]

OPTIONS

	-h | --help	   usage
	-o | --output F    write output to file 'F' (default ~/.ssh/authorized_keys, use "-" for standard out)

DESCRIPTION

       This utility will securely contact a public keyserver (https://launchpad.net by default) and retrieve one or more user's public	keys,  and
       append these to the current user's ~/.ssh/authorized_keys file.

       The  system  administrator  can	change	the source URL used by ssh-import-id(1) by editing the configuration file, /etc/ssh/ssh_import_id,
       which is sourced to obtain the value of URL.  By default, URL="https://launchpad.net/~%s/+sshkeys".  Note that this url really  MUST  be  a
       secure,	https  url with a valid, signed certificate or else your system will be vulnerable to man-in-the-middle attacks!  The "%s" will be
       populated by ssh-import-id(1) with the value(s) of USER_ID_1 [USER_ID_2] ... [USER_ID_n].

SEE ALSO

       ssh(1)

FILES

       /etc/ssh/ssh_import_id

AUTHOR

       This manpage and the utility was written by Dustin Kirkland <kirkland@canonical.com> for Ubuntu systems (but may be used by others).   Per-
       mission	is  granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 3 published
       by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

ssh-import							    23 Feb 2010 						  ssh-import-id(1)
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