[mosh-users] How can I mosh over multiple hops (for example, via tunnel or ProxyCommand)?

[Mark Stillwell]

Right, I'm attaching a script I was working on when I was looking at this a
few weeks ago. Fair warning, it might not be in 100% working condition
right now.


On Fri, Mar 28, 2014 at 3:08 PM, David Seaward <dseaward925 at gmail.com>wrote:

> Ah, this is more complicated than I thought :D
>
> I thought it was going to be one of:
>
> a) mosh-client - ssh - ssh - mosh-server
>
> ...where "ssh - ssh" may be some kind of transparent hop, or
>
> b) mosh-client - mosh-? - mosh-? - mosh-server
>
> ...with funky configuration on the hops.
>
>
> On Fri, Mar 28, 2014 at 5:04 PM, Mark Stillwell <marklee at fortawesome.org>
> wrote:
> >
> >> 1. Use a UDP packet repeater.
> >>
> >> http://serverfault.com/questions/390916/mosh-tunnel-via-proxy
> >> suggests stone. I'm wondering whether socat or netcat could be
> >> used as well. But such a tool needs to be installed on the
> >> gateway. So, I'm suggesting a second solution:
> >
> >
> > I've tried this with both socat and stone, using one of these tools to go
> > from udp to tcp, then forwarding the tcp connection with ssh, then
> > translating back from tcp to udp on the other side of the connection. It
> > works great for 10-15 seconds, then mosh invariably freezes up and
> starts to
> > complain about tampering.
> >
> > Based on debug output from stone, I think that mosh tries to send some
> udp
> > packets that are too big to fit into a single tcp packet within the ssh
> > tunnel, and somehow when ssh puts everything back together on the other
> end
> > it must not do it perfectly, triggering mosh's alarm bells.
> >
> > --
> > Mark Lee Stillwell
> > marklee at fortawesome.org
> >
> > _______________________________________________
> > mosh-users mailing list
> > mosh-users at mit.edu
> > http://mailman.mit.edu/mailman/listinfo/mosh-users
> >
>



-- 
Mark Lee Stillwell
marklee at fortawesome.org
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