Hi Laurent,

RouterOS SSH server identifies as follows:

$ telnet d...@demo.mt.lv 22
SSH-2.0-ROSSSH

A connection in the opposite direction (from RouterOS to AirOS) is OK.

Regards,
Zbynek

On Thu, Nov 12, 2015 at 11:17 AM, Laurent Bercot
<ska-dietl...@skarnet.org> wrote:
> On 12/11/2015 10:28, Zbynek Michl wrote:
>>
>> # ssh d...@demo.mt.lv
>> ssh: Connection to d...@demo.mt.lv:22 exited: Integrity error (bad
>> packet size -22146333)
>
>
>  Hi Zbynek,
>
>  I had the same problem earlier this year with GitHub: git over ssh
> worked with an OpenSSH client, but not with a dropbear client.
> I reported it to GitHub; I didn't get any answer, but two weeks or
> so later, they fixed the problem.
>
>  I suspect this has to do with some sshd server that is not compatible
> with a dropbear client - I'm inclined to think that the server makes
> assumptions about unspecified protocol details and those assumptions
> are false with dbclient. Or the other way around.
>
>  Do you know what sshd server RouterOS uses? I can't tell from
> d...@demo.mt.lv because they don't provide a shell :)
>
> --
>  Laurent
>

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