[GLLUG] Netcat Bash prompt

[Jason L. Froebe]

On the windows box, use putty to create a ssh tunnel to your Linux box.
This way nothing is transferred unencrypted over the network.

Jason
On Dec 4, 2014 4:02 PM, "Michael P. Flaga" <michael at flaga.net> wrote:

> I have closed source programs that telnet on windows boxes. Where I am
> constrained to Linux Jump servers. That now only have SSH. The Telnet is
> GONE on the jump servers. The closed source programs once connected
> (formerly via telnet) to the jump servers then know who to issue the
> commands to ssh into the remote targets.
>
>
>
> I need a way to translate Telnet to SSH on the jump servers.
>
>
>
> The netcat on the jump servers do not have the –e option, so I cannot run
> nc in telnet mode into /bin/bash.
>
>
>
> I have found
>
>
>
> mkfifo pipe_name_in
>
> mkfifo pipe_name_out
>
> nc -l 5555 < pipe_name_out | /bin/bash > pipe_name_in
>
>
>
> which kind of works. However, the Standard Error does not go down the
> pipe.
>
> So I don’t get any echo or prompts, only the response.
>
>
>
> nc -l 5555 < pipe_name_out | /bin/bash 2> pipe_name_in
>
> does get the some of the prompts but then no responses.
>
>
>
> nc -l 5555 < pipe_name_out | /bin/bash 2>&1 pipe_name_in
>
> fails to allow connections.
>
>
>
> Any suggestions or solutions?
>
>
>
> Michael P. Flaga, michael at flaga.net
>
>
>
> _______________________________________________
> linux-user mailing list
> linux-user at egr.msu.edu
> http://mailman.egr.msu.edu/mailman/listinfo/linux-user
>
>
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