Hm, dispatch protocol error

[Markus Friedl]

On Mon, Sep 04, 2000 at 03:50:58PM +0200, Jan-Frode Myklebust wrote:
> I've been getting a few locked sessions (unable to ctrl-c, ctrl-z it) with 
> the message:
> 
> Hm, dispatch protocol error: type 20 plen 136
> 
> I've never seen this message before openssh-SNAP-2000082900, and it's only
> happened when connected to SSH 2.3.0, from openssh-SNAP-2000082900. Both
> machines are mips-sgi-irix6.5.
> 
> Anybody care to explain what it means? Is it a known bug?

ssh-2.3.0 does re-keying by default. openssh does not at
all. you have to turn off re-keying in sshd_conf, see sshd_conf(5).
(RekeyIntervalSeconds 0)