OpenSSH PATCH: OpenCommand and CloseCommand

[Ben Lindstrom]

On Thu, 26 Aug 2004, Clifford Wolf wrote:

> Hi,
>
> the attached patch adds support for the keywords "OpenCommand" and
> "CloseCommand" to ssh_config. They are commands which are executed before
> the connection is established (or ProxyCommand started) and after the
> connection has been closed (or ProxyCommand ended).
>
> this is usefull for stuff like portknocking or (that's what I wrote the
> patch for) talking with trapdoor2 (http://oss.linbit.com/trapdoor2/).
>

The ProxyCommand should run for the length of the ssh session.  Why can't
you implement it fully using that?  Seems to make more sense.

- Ben