[mosh-users] New SSH_AUTH_SOCK value on a new connection to a box?

[Keith Winstein]

Hello Tim,

Mosh itself doesn't have anything to do with ssh-agent forwarding. Mosh
doesn't maintain an SSH connection and it doesn't forward ssh-agent
requests.

If you need this, you'll have to figure out how to keep an SSH connection
open to forward the ssh-agent requests from the server to the client.
Alternately, there is an experimental branch of Mosh (contributed by Timo
Rinne) that adds ssh-agent forwarding that you can try.

(For the future, I think we have decided not to go in this direction of
adding ssh-agent forwarding and X11 forwarding and SOCKS forwarding to Mosh
and just to make a generic "slosh" as a separate program that ferries a
reliable stream across a roaming, multihomed connection. Our current plans
to do this involve lightweight Linux containers, which are working slickly
in testing but would be Linux-only, so not sure what the community reaction
will be.)

Best regards,
Keith


On Tue, Dec 17, 2013 at 10:43 AM, Tim Visher <tim.visher at gmail.com> wrote:

> Hi Everyone,
>
> I'm trying to get SSH Agent Forwarding to work. When I initially
> connect to a box using mosh, my agent forwards fine and I can hop from
> that box to somewhere else with no problem.
>
> When I drop that connection and reconnect though, the agent stops
> working. grawity on #mosh explained to me that the `SSH_AUTH_SOCK` is
> refreshed on every new ssh connection and that previously running
> processes (like tmux) will not have their environment updated (indeed
> they can't). So I came up with a simple way to put some files out on
> the file system with the current variable values and then source them
> in the running processes.
>
> As far as I can tell, this worked yesterday.
>
> Today, I went to do the same thing. I moshed in to the box and ran my
> variable export scripts and then reconnected to tmux and tried to hop
> and received an error.
>
> The `SSH_AUTH_SOCK` value is indeed changing when I mosh in, but it
> seems to either be ignored or in some other way be incorrect.
>
> Is there anything I can do to overcome this?
>
> Thanks in advance!
>
> --
>
> In Christ,
>
> Timmy V.
>
> http://blog.twonegatives.com/
> http://five.sentenc.es/ -- Spend less time on mail
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>
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