Gateway through a shell

I'm having access to a shell and I'd like to get connected
through it to the net.
I know there's some kind of software that let me do it but I don't
know it's name.
anyway, I don't have root access or ability to change anything in
the system, I just have full access to the net from the shell and I want
something to come between my system at home and the shell (some kind
of middleman).
badsectorAsked:
Who is Participating?
 
doopieCommented:
this one will work:
http://www.xtendtech.com/ss/index.htm
also, you said you're using linux so this will probably help you:
http://www.math.arizona.edu/swig/slirp/linux/
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jlevieCommented:
What OS does your home system run and does it have a full-time Internet connection? Am I correct in believing that the "shell" is on a unix box at work/school and you want to connect from there to your home system?
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badsectorAuthor Commented:
I'm using Windows2000/Linux (weird combination, huh ;)). and yes, this is my main goal. My university is providing us with ppp connection but
only to the local network. So I can connect to it,
then to the shell, and then to the net...
I don't have a full-time internet connection, that's why I want to make this thing work.
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jlevieCommented:
I'm still trying to get a clear picture of what you want to accomplish.

1) Are you trying to go from your win2k.Linux box via ppp to the university and then out onto the Internet?

2) Or are you trying to go from a university computer to your home win2k.linux box?
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badsectorAuthor Commented:
The university is providing us with a dialup connection to it's computers (ppp). The servers which I have access to are connected to the net (telnet access). I wish to be able to get connected
to the net through one of this shells.
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badsectorAuthor Commented:
Adjusted points from 500 to 550
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badsectorAuthor Commented:
The university is providing us with a dialup connection to it's computers (ppp). The servers which I have access to are connected to the net (telnet access). I wish to be able to get connected
to the net through one of this shells.
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jlevieCommented:
Okay I've got it now. When you connect to the university, you are doing so with "Dial-Up Networking" on win2k or kppp or similar on Linux, right?

Do you then have to run telnet to some specific hostname on win2k or "telnet hostname" in a terminal window on Linux?

If that is how your session works, and the university is not restricting the ppp dial-ups to just those computers, you ought to be able to reach Internet hosts once you've dialed up and before you open a telnet session. And it's easy enough to find out if you can reach the Internet.

Dial up to the university and in a DOS/Cmd window in win2k or a terminal window in Linux, run "ping 192.18.97.195". If you can reach the internet you'll see some lines similar to:

64 bytes from 192.18.97.195: icmp_seq=0 ttl=239 time=130.9 ms
64 bytes from 192.18.97.195: icmp_seq=1 ttl=240 time=95.0 ms

Which would mean that there is a basic networking path from your home system through the ppp link and out onto the Internet to www.sun.com. However, if you get no response or a "network unreachable" it probably means that the university doesn't allow access to the Internet from the ppp dial in connections.

Waiting for your response...
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badsectorAuthor Commented:
I'm receiving "Request Timed out.", because as I
said, I'm only able to reach the computers on the
university network.
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mapcCommented:
Ok, simple as that;
(do you study in Technion btw?)
you dial the modem, telnet from there to the main computer (solaris?), then run slirp from there, and then enable ppp on windows.
There's one if- you need software called slirp.
If it's not installed, get it from: http://metalab.unc.edu/pub/Linux/system/network/serial/slirp-1.0.9.tar.gz

Other than that, you'll need ppp encapsulated in TCP/IP enapsulated in the original ppp (if you cannot telnet from the terminal server to main computer, and this task could be done (for my best knowledge) only with UNIX.
man tun (on FreeBSD)

That's all. Simple as that.
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badsectorAuthor Commented:
I don't know what may cause this problem, but I'm
not able to use slirp.
anyway, the server i'm using is RedHat 6.0 (2.2.13smp)
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mapcCommented:
So, why slirp doesn't work?
Any logs?
Have you read the manpage of slirp?
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badsectorAuthor Commented:
works
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