Interop problem with old dropbear and new openssh
Rob Landley
rob at landley.net
Sun Oct 2 02:58:30 WST 2011
On 09/30/2011 04:38 PM, Graham Cobb wrote:
> Hi,
>
> I have a router running an old version of OpenWRT with an old version of
> dropbear (Dropbear sshd v0.44test3). It has been working for many years and I
> ssh in from my desktop systems (running Debian Testing) with no problem.
>
> However, recently I upgraded one of my desktops and I can no longer connect to
> the router. Dropbear on the router is exiting with:
>
> exit before auth: bad buf_getwriteptr
>
> The desktop is running "SSH-2.0-OpenSSH_5.9p1 Debian-1" (it failed with 5.8 as
> well). However, another desktop still running "SSH-2.0-OpenSSH_5.5p1
> Debian-6" still works fine. The config files are identical.
>
> I realise this is a very old version of dropbear and that you are not
> responsible for changes in OpenSSH but I thought I would ask here in case
> anyone else has seen this and can maybe suggest a config change to workround
> the problem!
>
> Graham
>
If you'd like to try the current version, statically linked binaries of
current dropbearmulti for several of architectures are at:
http://landley.net/aboriginal/downloads/binaries/extras/
Rob
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