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[ts-7000] Re: TS-7250 Dropbear SSH Fail

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Subject: [ts-7000] Re: TS-7250 Dropbear SSH Fail
From: "damotclese" <>
Date: Thu, 24 May 2012 21:28:23 -0000
-- In  Jim Jackson <> wrote:
> Check the permissions on the /home/flr/.ssh/ 
> directory and on the key files in that directory. 
> They must not be world Readable (or even group I 
> think).

Let's see... the only file in that client directory is a file named 
"known_hosts"

On the server side there is no .ssh file anywhere. In /etc/dropbear there is a 
single key file with  -rw-------   as the attributes.

What's also interesting is that my SSH client has zero problem getting in to a 
different device running a "real" ssh (not DropBear), it is only only failing 
with my installation of DropBear. On another device I have:

$ ssh -v 
OpenSSH_5.9p1, OpenSSL 0.9.8t 18 Jan 2012
debug1: Connecting to 10.232.48.114 [10.232.48.114] port 22.
debug1: Connection established.
debug1: identity file /home/flr/.ssh/id_rsa type 1
debug1: identity file /home/flr/.ssh/id_rsa-cert type -1
debug1: identity file /home/flr/.ssh/id_dsa type -1
debug1: identity file /home/flr/.ssh/id_dsa-cert type -1
debug1: identity file /home/flr/.ssh/id_ecdsa type -1
debug1: identity file /home/flr/.ssh/id_ecdsa-cert type -1
debug1: Remote protocol version 2.0, remote software version dropbear_0.52
debug1: no match: dropbear_0.52
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.9
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: sending SSH2_MSG_KEXDH_INIT
debug1: expecting SSH2_MSG_KEXDH_REPLY
debug1: Server host key: RSA 82:58:7e:02:a5:53:64:5e:08:5e:bb:f4:ce:71:73:dc
debug1: Host '10.232.48.114' is known and matches the RSA host key.
debug1: Found key in /home/flr/.ssh/known_hosts:2
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/flr/.ssh/id_rsa
debug1: Authentications that can continue: publickey,password
debug1: Trying private key: /home/flr/.ssh/id_dsa
debug1: Trying private key: /home/flr/.ssh/id_ecdsa
debug1: Next authentication method: password
 password:
debug1: Authentication succeeded (password).
Authenticated to 10.232.48.114 ([10.232.48.114]:22).
debug1: channel 0: new [client-session]
debug1: Entering interactive session.


BusyBox v1.17.1 (2010-10-25 16:01:06 PDT) built-in shell (ash)
Enter 'help' for a list of built-in commands.

#

So my client side SSH is working, my RSA key file creation worked, it's failing 
with DropBear.

When I generate an RSA key on a target device do I need to upload a file to the 
target device, maybe?

Thanks!




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