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  1. #1
    Where is Metla these days Chilling_Silence's Avatar
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    Default Getting past the Firewall via SSH

    Greetings,

    Im able to ssh out in to my home PC via port 22.
    This is open at the firewall here and its great
    I can then Tunnel VNC out via SSH, so I can view my home desktop

    Not so with my mate.
    He's got a no-ip.com account and it wont connect, even when he tries directly going to that IP?!
    I can ssh into my home PC and then SSH into his home PC, but we dont wanna have to do that.

    Any ideas what may be preventing it? Im running Gentoo, he's running Cygwin on WinXP

    Cheers


    Chill.
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

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  2. #2
    Вanned
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    Default Re: Getting past the Firewall via SSH

    Is he using the no-ip auto update program?

  3. #3
    Y'arrr
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    Default Re: Getting past the Firewall via SSH

    Cached DNS records pointing to the wrong IP address?
    There are no such things as ghosts, only clumsy ninjas.

  4. #4
    Where is Metla these days Chilling_Silence's Avatar
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    Default Re: Getting past the Firewall via SSH

    No, because when we try and connect to that IP directly (ping it from my place) it doesnt let it

    So:
    I can connect to my place
    I _dont_ use the NO-IP Dynamic Update Client (DUC)
    I can then connect via my house to his, using either the no-ip.com addy or the IP
    I cant connect from work to his place directly, using either an IP or a DNS Name (no-ip.com name).


    Chill.
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

    Before you ask a question here, or before you get upset by a response, see here:
    http://www.catb.org/~esr/faqs/smart-...ons.html#intro

  5. #5
    Where is Metla these days Chilling_Silence's Avatar
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    Default Re: Getting past the Firewall via SSH

    Oh wait.. I _can_ however connect to his PC from work on port 80 (his router).

    Just not on port 22?
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

    Before you ask a question here, or before you get upset by a response, see here:
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  6. #6
    --:-- Murray P's Avatar
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    Default Re: Getting past the Firewall via SSH

    Quote Originally Posted by Chilling_Silence
    Oh wait.. I _can_ however connect to his PC from work on port 80 (his router).

    Just not on port 22?
    Firewall, NAT?

    Would a new mate solve the problem

  7. #7
    Where is Metla these days Chilling_Silence's Avatar
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    Default Re: Getting past the Firewall via SSH

    What do you mean by "firewall, NAT?"?

    Ive got enough mates at work...

    Funnily enough this is one of the few times Ive offered to help somebody there with a PC problem... Look what I get myself in to
    I mostly do Bitcoin & DigiByte things these days, feel free to say hi on Twitter: https://twitter.com/dgb_chilling

    Before you ask a question here, or before you get upset by a response, see here:
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  8. #8
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    Default Re: Getting past the Firewall via SSH

    Who administers the firewall you are behind? Can you verify that the rule to allow port 22 out allows connections to anywhere?
    Does the firewall at his house allow ssh connections from the work IP address?

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