To clarify what I mentioned earlier, in my ~/.ssh/config file, I have
things that look similar to:
Host <external_host>
User <username>
Hostname 91.101.11.101 (<- only needed if you can't do proper DNS
from the DMZ machine, then put the IP here)
ProxyCommand ssh <gateway_machine> nc %h 22
Many examples add a -w 1 option to the nc which will terminate the
proxy if no activity happens for 1 second, but this can cause some
annoying dropouts sometimes. i.e.:
ProxyCommand ssh <gateway_machine> nc -w 1 %h 22
Thanks
Steve
On Thu, Feb 24, 2011 at 6:33 PM, David Frascone <[email protected]> wrote:
>
>
> On Thu, Feb 24, 2011 at 10:40 AM, Jan Kanis <[email protected]> wrote:
>>
>>
>> On Thu, Feb 24, 2011 at 05:41, Martin Bähr
>> <[email protected]> wrote:
>>>
>>> On Thu, Feb 24, 2011 at 01:58:06AM +0100, Jan Kanis wrote:
>>> > - A command like 'fish -c "echo %self; exec ssh user@somewhere"' will
>>> > start
>>> > a new shell that will echo it's own pid and then exec ssh (keeping the
>>> > pid).
>>>
>>> it does not appear to keep the pid if i run ssh -f -N -q
>>
>> Apparently. The -f tells ssh to fork, giving it a new pid. The parent ssh
>> that asks for passphrases and such keeps the pid, but then forks off a child
>> to handle the rest of the connection and exits itself.
>>
>
> Right -- I'm experimenting with the proxy commands . . . I'll post what I
> end up using.
> -Dave
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