On Thu, Dec 22, 2005 at 06:20:10PM +0400, cGull Charlie wrote:
> I have come from 2 years on Linux workstation and servers to a very
> different environment in my new job where I have to work on Windoze XP.
> Sadly my user account has very few privileges and I only have access
> out through port 80.
The old network rule always applies: when you can contact something in
the Internet from where you are, nothing is lost.
The first thing I would try is if you can use SSL encrypted connections
through your proxy. If you can, then it is like an open network for the
following reason: The only thing a proxy can do on a SSL encrypted
connection is to pass the entire connection forward to the real server
(well, he could fake the certification and decrypt your traffic, if you
also got a exchanged root certificates on your client machine, but ...)
In this case you would set up a SSH server somewhere listening on port
443. Then I would install the cygwin OpenSSH through your proxy. You can
pass the name of a helper script to 'ssh' that ssh then uses to connect
to the SSH server instead of doing something on TCP/IP. This script
would ask the proxy to make you the connection to your remote SSH server
listening on port 443. Connection wise, this is what you get then:
SSH Client ----- Helper Script ----- Proxy Server ------ SSH Server
(1) (2) (3)
(1) - pipe
(2) - HTTP-Proxy request to your local HTTP Proxy
(3) - connection established using HTTP "CONNECT" method
The other option is to set up a HTTP tunneling server and -client. Both
together will tunnel your packet using HTTP to a server outside your
restrictive networkpacket using HTTP to a server outside your
restrictive network. But for that you probably need need some sort of
administrative privileges, because it actually sets up a VPN between
your machine in the restrictive network and a machine in the outside
world.
> If anyone has some ideas... perhaps setting up a server proxy or VNC via
> a webpage...I dont know...please help!
VNC webpage might not work, because IMHO it is establishing a connection
to port 5900 on the remote machine.
Dirk.
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