[mosh-users] Questions about mosh(1) and mosh futures

[Keith Winstein]

Hello Kevin,

Thanks for getting in touch!

1. mosh doesn't provide file copying right now. We've had some talk
about doing it, but I wouldn't expect it in the near term. If we do do
it, we will definitely look into the scp issues you bring up and do
our best to avoid them in our own implementation -- thanks for
bringing this to our attention.

2. Yes, mosh should support any authentication means that OpenSSH
does. The "mosh" script invokes SSH to log in to the server and
remotely execute the "mosh-server" process, and will use whatever
authentication means (password, public key, etc.) SSH is set up to
use. If you have trouble for some reason, please let us know (or file
a bug on github) and we should be able to help you get it working.

3. We have some users who have gotten mosh working on cygwin. Would
this meet your needs for a Windows client?

4. I think when we do X tunnelling, general TCP port tunnelling should
be basically the same thing, so sure.

Thanks again for your interest.

Best regards,
Keith

On Thu, Apr 12, 2012 at 1:25 AM, Kevin Oberman <kob6558 at gmail.com> wrote:
> I have read the mosh.mit.edu web page and have a few questions about mosh.
>
> 1. Due to internal buffering constraints, scp(1) has very poor
> performance over high latency (e.g. trans-oceanic) links. PSC has
> patches to improve on this, but scp is still rather slow when latency
> is high and may people arre unaware of the PSC patches. (The PSC
> patches are now standard on FreeBSD.)
>
> Does or will mosh(1) provide file copy capability similar to scp/sftp?
> If so, will it have be likely to perform better than scp/sftp?
>
> 2. Does/will mosh support PKCS11 for public key authentication. We use
> SmartCards for two-factor authentication and ssh (OpenSSH) supports
> this.
>
> 3. Any thoughts about a Windows client?
>
> 4. You mention that X tunneling is being worked on, but not yet ready.
> What about the general tunneling capability (-L) in ssh?
>
> Thanks!
> --
> R. Kevin Oberman, Network Engineer
> E-mail: kob6558 at gmail.com
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