Lyor Goldstein created SSHD-957:
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             Summary: See if need to add code to support ProxyJump mode
                 Key: SSHD-957
                 URL: https://issues.apache.org/jira/browse/SSHD-957
             Project: MINA SSHD
          Issue Type: Improvement
    Affects Versions: 2.3.0
            Reporter: Lyor Goldstein


According to 
[channels.c|https://github.com/openssh/openssh-portable/blob/master/channels.c] 
and [ssh.c|https://github.com/openssh/openssh-portable/blob/master/ssh.c] using 
the _-J_ flag one can open a "jump" from one server to another. This is done by
{quote}
This connects stdio on the client to a single port forward on the server. This 
allows, for example, using ssh as a ProxyCommand to route connections via 
intermediate servers.
{quote}
This seems to involve opening a "stdio-forward" channel - though the details on 
the client/server are a bit sketchy:

* Is it a new kind of channel ?
* What does "connecting stdio to port forward" mean ?



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