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  1. #1
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    Thumbs up Possible to detect default gateway IP of visitors?

    Hi,

    I own a garage door company in Montreal and recently have a new line of garage doors where users can type the default gateway of the SSID broadcasted from my new garage doors( basically my garages doors have a built-in router) and login from their computer or phones by typing in the default gateway or DNS, this way they can control their garage doors from the internet if they are in range of the signal broadcasted from my doors.

    The following would help me A LOT!:

    1.Is it possible to have a php script on my website that automatically detects the default gateway IP of the visitor's?

    2. Anybody willing to offer me a price to make this script?

    Thanks
    Chris

  • #2
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    Here is the code to display your ip address it's php.
    PHP Code:
    $ip $_SERVER['REMOTE_ADDR'];
    echo 
    "<b>IP Address= $ip</b>"
    Last edited by Inigoesdr; 09-15-2012 at 03:48 PM.

  • #3
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    Quote Originally Posted by chrisjarson View Post
    detects the default gateway IP of the visitor's?
    Quote Originally Posted by sunfighter View Post
    Here is the code to display your ip address it's php.
    $ip=@$REMOTE_ADDR;
    echo "<b>IP Address= $ip</b>";
    sunfighter that is the remote ip not the default gateway ip as chris has requested.
    I can't really think of anything to write here now...

  • #4
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    That also won't work. Register globals are required to create $REMOTE_ADDR, and register_globals are gone as of 5.4 (happy happy).

    For the OP, no I don't believe there is a method of retrieving the gateway in PHP. However, if you trace it, then the second last hop should be the last device before the machine which *may* be the gateway. That assumes it replies of course. This is also an unreliable way of retrieving this information. A better solution would be to have the software installed by the user themselves, or for a web control implement the software into the opener itself. This can then be attached to via http directly to control it from any location. I wouldn't have a clue the amount of work that would require at that end.


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