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Can't ping each other

By MIXEDD
Aug 21, 2011
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  1. Hello good people. I have installed Hamachi/TeamViewer and I have created a VPN. Everything is done correctly as far as I know. With these 2 programs I have the same issue. When my friend connects to me or I connect to him. I can ping him. But he can't. I don't know what's the cause of this issue because all other my friends can connect to me successfully and ping me also. Any help would be appreciated. Thank you! :)
     
  2. jobeard

    jobeard TS Ambassador Posts: 9,311   +617

    So
    a) you can ping anyone
    b) everyone EXCEPT joeUser can ping you

    that means joeUser's machine has a firewall (or vpn) setting restricting the operation
     
  3. MIXEDD

    MIXEDD TS Member Topic Starter Posts: 38

    He dones't have a VPN and I turn off his firewall completely and that won't fix the problem. He's internet is working without a router. Maybe that haves to do something with this?
     
  4. Arris

    Arris TS Evangelist Posts: 4,606   +287

    Perhaps the router is blocking ping to prevent a DoS attack?
     
  5. jobeard

    jobeard TS Ambassador Posts: 9,311   +617

    yes, that is a common feature that causes problems
     
  6. MIXEDD

    MIXEDD TS Member Topic Starter Posts: 38

    If so. How do I manually do it? I'm not really in to all this stuff. :)
     
  7. jobeard

    jobeard TS Ambassador Posts: 9,311   +617

    use the browser to access the router config - - you need the password.

    each manufacturer has a setting (usually associated with the WAN side) to
    enable / disable ping from the Internet. That is done for security reasons.

    Which raises the question, WHY do you need ping? My router has ping disable and
    the Internet & I have been happily married (ie working) for years.

    I would guess you REALLY need something more like
    http://www.grc.com/x/ne.dll?rh1dkyd2

    and to test that the program/port required on both ends are running and not blocked.
    (ps: just because you shutdown the firewall does not assure you unfettered access).
     

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