Re: [gentoo-embedded] port forwarding as simple as possible

[Jakub Ladman]

This (http://lartc.org/howto/lartc.tunnel.ip-ip.html) seems to be unusable if 
one side has not public address :-(


Dne úterý 10 duben 2007 15:31 Natanael Copa napsal(a):
> On Tue, 2007-04-10 at 15:24 +0200, Jakub Ladman wrote:
> > Hello
> >
> > I have embedded linux system based on gentoo embedded.
> > This machine will be wheresoever and physicaly inaccessible.
> > There is dropbear ssh server and no ssh client.
> > The machine (a) may be connected to internet via NAT router with no
> > possibility to forward any port to inside (gprs modem, gsm network and
> > cheap sim, which has not public ip address).
> >
> > Sometimes i need to create an ip tunnel or a port forward like openssh
> > does with -L or -R
> >
> > There is no need for encryption, i only need to append a script to
> > crontab or something and this script, if launched, will use some program
> > to create tcp connection to my server (b) with public ip.
> > From this time some port(s) of the server (b) will be redirected to
> > machine (a)
> >
> > Do i need to emerge openssh or some more simple method is known?
>
> Could this solve it? http://lartc.org/howto/lartc.tunnel.ip-ip.html
>
> Otherwise you have openvpn, tinc.
>
>
> Natanael Copa
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