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Thread: Tunneling through 2 uncontrollable Firewalls

  1. March 16th, 2006, 10:21 PM #1
    Digerati James
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    Question Tunneling through 2 uncontrollable Firewalls

    Ok here's the question:
    Is it possible to bypass 2 uncontrollable firewalls? Here's the idea:

    | | | | | | | |
    | CPU 2 | --- |Firewall 2|-----Internet -------|Firewall 1| --- | CPU 1 |
    | | | | | | | |

    Basically the reasoning for the system is so that I can assist her remotely. She has a funny tendency to have software fail on her computer, and rather than drive across the state, I'd like to set up a system where I can just get ahold of her computer from my own.

    Currently we have a few applications that I'd like to tunnel through such a system. Either computer can have applications installed on them for the purpose, they both run Windows XP, she's behind a proxy server (HTTP + HTTPS), and firewall 1 permits IPSEC.

    Software I don't want to use: Microsoft Remote Assistance

    I've looked at VNC, SSH, ProxyTunnel, and a few other alternatives, but I'm not sure how I can tie these together to get this system to work. If anyone has any other ideas, that would be great. Note that this connection needs to be encrypted.

    If anyone knows a solution, please post!
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  2. March 16th, 2006, 10:30 PM #2
    Nokia
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    How do you mean "uncontrolable firewalls", do you mean you can't configure the firewalls?
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  3. March 16th, 2006, 10:31 PM #3
    Digerati James
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    Nods

    Yea I cannot configure or edit the settings in them.
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  4. March 16th, 2006, 10:33 PM #4
    morganlefay
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    Software I don't want to use: Microsoft Remote Assistance
    Why??? remote desktop is good...seeing you both are running XP...and its free

    Or you can use a service like gotomypc

    MLF

    edit> guess you need to configure the firewall for the remote desktop

    Why cant you configure the firewalls???
    How people treat you is their karma- how you react is yours-Wayne Dyer
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  6. March 16th, 2006, 10:34 PM #5
    Nokia
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    So if you are in a position where you are offering remote assistance to her, what is the reason you cant put a request in to have the firewalls configured?
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  7. March 16th, 2006, 10:39 PM #6
    Digerati James
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    Avoiding Red Tape

    Trying to find a way around the red tape that is a university. I presume I could put in a request, but I'll likely be denied.
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  8. March 16th, 2006, 10:43 PM #7
    Nokia
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    Yup, you probably would be denied..........now think about why you would be denied.............
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  9. March 16th, 2006, 11:09 PM #8
    Relyt
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    Nokia's Yup and thier AUP are almost spelled the same. I wonder...

    cheers
    Connection refused, try again later.
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  11. March 16th, 2006, 11:39 PM #9
    nihil
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    Hmmm,

    Looks like we have two AUPs as we have two firewalls that cannot be changed? So, if that is the case then there should be IT support at her end. They should fix her software problems?

    Otherwise (assuming it is a private machine) you will have to arrange to do things "out of hours" using a private connection.

    I personally think it is "mission impossible" to try to do this sort of thing if it has not been deliberately set up in advance. For a start, security at the receiving end should pick it up as some sort of attack, or unauthorised access?

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  12. March 17th, 2006, 01:12 AM #10
    brokencrow
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    Try Hamachi and Real VNC. I've been using Hamachi for a few weeks now and it goes right thru firewalls, even IP Cop.

    http://damagedintransit.com/2006/01/...ate-vnc-setup/
    “Everybody is ignorant, only on different subjects.” — Will Rogers
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