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Thread: MAC of a remote host

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    Default MAC of a remote host

    Hi....

    I need java code to find the MAC address of a remote machine by using its IP address. I ned this for my main project Wireless Intrusion Detection System.


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    Default Re: MAC of a remote host

    If your using linux, use nmap.
    This lists all IP addresses and Mac addresses of the Given Ip Address

    But Il need more info than that.
    Theres a java command to get host name so im guessing that there will be a command to get MAC address

    Also people aren't just going to give you the code. you will have to try a little bit

    Kurt

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    Default Re: MAC of a remote host

    Hello and welcome to the Java Programming Forums.

    Quote Originally Posted by kurt-hardy
    Also people aren't just going to give you the code. you will have to try a little bit
    I didn't write this. A quick Google search provides many results. For example:

    import java.net.InetAddress;
    import java.net.NetworkInterface;
     
    public class Main {
      public static void main(String[] args) throws Exception {
        InetAddress address = InetAddress.getLocalHost();
     
        NetworkInterface ni = NetworkInterface.getByInetAddress(address);
        byte[] mac = ni.getHardwareAddress();
     
        for (int i = 0; i < mac.length; i++) {
          System.out.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : "");
        }
      }
    }

    You may also want to look at:

    http://www.javaprogrammingforums.com...d-network.html

    http://www.javaprogrammingforums.com...p-address.html
    Please use [highlight=Java] code [/highlight] tags when posting your code.
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