R: Tunneling ssh

Rashkae ubuntu at tigershaunt.com
Tue Jan 19 13:32:26 UTC 2010

Sauro Cesaretti wrote:
> Ok, thanks so much.
> It works fine .
> Regards, Sauro
> -----Messaggio originale-----
> Da: ubuntu-users-bounces at lists.ubuntu.com
> [mailto:ubuntu-users-bounces at lists.ubuntu.com] Per conto di Loïc Grenié
> Inviato: lunedì 18 gennaio 2010 23.30
> A: Ubuntu user technical support,not for general discussions
> Oggetto: Re: Tunneling ssh
> 2010/1/18 Sauro Cesaretti <saurocesaretti1983 at gmail.com>:
>> Hello Everyone,
>> I ned to connect to a computer of a frined that is inside a network
>> where he cannot forward any port.
>> I was planning to make a tunnel with the small server that I ave in my
>> house.
>> I have tried with some syntax of the ssh command but I seems that is
> not
>> working.
>> Could you give me some indicatons please?
>> in my server the port of the ssh service is the standard one: 22 and
> in
>> the other computer it is the same.
>> Thanks for your support
>> Regards, Sauro
>      On the friend's computer:
> ssh -L 22: server.home.net
>   (where server.home.net is your server) should
>   do the trick. To connect to your friend's ssh server, you can
>   do
> ssh -p 2222 server.home.net
>     (from memory, it could be slightly off).
>      Hope this helps,
>           Loïc

Allright, a question for Loïc, if you don't mind.

I know better than to doubt your word, but I can't figure out how that
command works.  As far as I can tell, -L forwards the port from the
computer you are connecting from.  Would not -R *:22: be
the only way to open the reverse tunnel as described?

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