Dropbear SSH integrity error
Matt Johnston
matt at ucc.asn.au
Thu Nov 12 22:01:46 AWST 2015
On Thu, Nov 12, 2015 at 10:28:27AM +0100, Zbynek Michl wrote:
> Hello,
>
> I have a problem with SSH connection from my Ubiquiti AirOS device to
> a Mikrotik router.
> I use AirOS v5.5.11 (Dropbear SSH client v2013.58) and Mikrotik's
> RouterOS version 6.33 (also older versions have the same problem).
>
> # ssh demo at demo.mt.lv
> ssh: Connection to demo at demo.mt.lv:22 exited: Integrity error (bad
> packet size -22146333)
It looks like ROSSH doesn't support "kex first follows".
Commenting out USE_KEX_FIRST_FOLLOWS in sysoptions.h will
fix that. Could you report it to Mikrotik? Github used
libssh which had the same issue, fixed in libssh 0.7
Cheers,
Matt
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