Paul Sack wrote:

Today at 11:52am, Alexander Boulgakov expounded:

++ To clarify my situation:
++     The whole building is an ethernet based sub-net (mask
++ 255.255.255.128 I think). The only box connected to both the intranet
++ and the internet is this pos called rockbox (ip 66.112.238.1 I think -
++ crackers welcome :). We are issued dhcp. However, before we can send to
++ anywhere outside the building, we must open up a web browser, which
++ opens an https login with out account name/password. Then, it seems,
++ this rockbox proxy allows packets to get through (maybe its just a
++ firewall not a proxy -- I have never dealt with this kind of stuff
++ before). Thats it pretty much.

AIUI, currently, you do not have to set up a proxy in your web browser.
The network firewalls do some magic and redirect your first outgoing HTTP
to the login page, you login, and then the firewalls let you do regular
stuff.

In this case, installing your own proxy will definitely work, and you
won't even have to do any special configuration. I've used FilterProxy
before, and I was quite pleased with it. Type ``web proxy'' or ``http
proxy'' into Freshmeat and pick one. (Then manually configure your
computer and your roommate's to use your own proxy.)



This seems to be an excellent solution for HTTP, FTP, Gopher (go!) proxying
http://www.squid-cache.org/
I will put this up, as it would work better than the VNC stuff.
However, I was wondering if there was a way to allow arbitrary TCP connections to go through (like KaZaA or CounterStrike). This seems to be outside of the realm of proxying. I was thinking of setting my eth0 to be promiscous, capturing my roomates frames, and forwarding them through the firewall to the ethernet. This would be a problem I suppose, because the firewall may see "aha - the source address is 66.112.238.51, not 66.112.238.33". OTOH, this may work if the firewall just uses ethernet MACs to check the packets (I doubt this). Ideas?


Thank you again!
Alex

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