Re: [MLUG] ssh2 problem

[Mike Miller <EMAIL:PROTECTED>]

On Mon, 30 Apr 2001, Mark Pecaut wrote:

> On Mon, Apr 30, 2001 at 10:04:23PM -0500, Mike Miller wrote:
> > Yet another problem:
> >
> > If I leave a PuTTY ssh session running for a while, at exactly 1 hour I
> > lose the connection and PuTTY shows this messages:
> >
> >  "server failed host key check"
>
> Sounds like you are getting disconnected when the server key is
> getting regenerated.  This happens every hour (by default).  You can set this
> with the 'KeyRegenerationInterval' keyword in your sshd_config file.

[snip]

> Sounds like when the server key is regenerated the session key changes
> (since the server key has changed), but maybe putty doesn't recognize
> the session key change and instead thinks the host key has changed
> (since the session key is generated by the host AND server keys).


Thanks for the info!  I happened across that info in the man pages while I
was struggling to solve the problem.  Then I did a google search using
that KeyRegenerationInterval term along with 'putty' and I found out that
there was a problem (still in 0.51) that was fixed in the current
development snapshot.

Mike

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