weird DH problems

Darren Tucker dtucker at
Tue Sep 19 14:21:33 EST 2006

Girish Venkatachalam wrote:
> Dear Damien and Darren,
> I recently ran into a really weird and spooky ssh problem. My brain
> is  going to mad trying to explain that it is a hardware issue since on two
> machines, one of which is a Celeon 2.8 Ghz with 1 GB RAM, another is a
> Xeon 4 CPU box with 3 Gig RAM and I guess 3 Ghz or something, both of
> which are running FreeBSD 6.1 with latest version of OpenSSH bundled
> with it. The version string is
> SSH-2.0-OpenSSH_4.2p1 FreeBSD-2005090
> I did a ssh -vvv to them and the problem occurs in kex. And it is
> absolutely random. Here is some sample output.
> 1) debug1: SSH2_MSG_NEWKEYS sent                                      
> debug1: expecting SSH2_MSG_NEWKEYS                                    
> Write failed: Broken pipe                                             

It's not clear from you're describing the client(s) or server(s) above, 
but the server in this case doesn't happen to be an UltraSPARC does it? 
  If so, what version of OpenSSL does it have?

Darren Tucker (dtucker at
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
     Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.

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