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Mac addresses?

  • 24-07-2010 12:52am
    #1
    Athlone_Bhoy
    Registered Users, Registered Users 2 Posts: 325 ✭✭


    Just on a website going loads of people exchanging their Mac's. What exactly does that do?


Comments

  • #2
    pieface_ie
    Closed Accounts Posts: 301 ✭✭pieface_ie


    A Mac address is the address (I.D) of your NIC, example 00:0C:1F:54:88:76, it can be used to identify/communicate with other computers.


  • #3
    Athlone_Bhoy
    Registered Users, Registered Users 2 Posts: 325 ✭✭Athlone_Bhoy


    I don't get it.

    So if I swap a MAC address for another whats the benifit?


  • #4
    digme
    Closed Accounts Posts: 4,584 ✭✭✭digme


    Athlone_Bhoy wrote: »
    I don't get it.

    So if I swap a MAC address for another whats the benifit?
    you get their traffic

    r they on a lan? your question is a bit vague tbh


  • #5
    dlofnep
    Closed Accounts Posts: 20,759 ✭✭✭✭dlofnep


    A MAC address is just the hardware address used for systems to communicate with each other in a local network. Giving anyone outside of your private network your MAC address is of no use to them whatsoever. The only way it could ever possibly be used, is if someone wished to spoof your MAC address to bypass hardware address filtering, like on wireless routers.

    In summary - it's of no use to them.


  • #6
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Athlone_Bhoy wrote: »
    Just on a website going loads of people exchanging their Mac's. What exactly does that do?

    Link please.


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  • #7
    BrokenArrows
    Registered Users, Registered Users 2 Posts: 7,501 ✭✭✭BrokenArrows


    depending on your local area network setup if you know someones mac address you can snoop their network traffic.

    Its very easy to do which is always a worry.

    i dont see why people would be exchanging their mac addresses on a website.


  • #8
    dlofnep
    Closed Accounts Posts: 20,759 ✭✭✭✭dlofnep


    BrokenArrows wrote: »
    depending on your local area network setup if you know someones mac address you can snoop their network traffic.

    Its very easy to do which is always a worry.

    i dont see why people would be exchanging their mac addresses on a website.

    No, you cannot. You need to be connected directly to the LAN, or through a tunnel to the LAN. In which case, a simple ARP request would reveal the hardware address of every system on the LAN.

    There is very little danger for someone to put their MAC address on a website. It has no significance outside the scope of a local area network, and inside the scope of that network - anyone can view the MAC address of any machine anyway.


  • #9
    corkcomp
    Registered Users, Registered Users 2 Posts: 5,114 ✭✭✭corkcomp


    Deleted User wrote: »
    Link please.

    +1 I dont get it tbh


  • #10
    JonathanAnon
    Closed Accounts Posts: 23,718 ✭✭✭✭JonathanAnon


    Well from my knowledge, this would be only important at a LAN level, so you would not be able to snoop somebody else's Internet traffic... All the routing of packets outside of your own LAN is done on the IP level, and has nothing to do with MAC addresses..

    Once IP has finished routing and the packet has found it's way to the right IP network, the local server/router then carries out an ARP (Address Resolution Protocol) request to resolve the IP to MAC address..


  • #11
    BrokenArrows
    Registered Users, Registered Users 2 Posts: 7,501 ✭✭✭BrokenArrows


    dlofnep wrote: »
    No, you cannot. You need to be connected directly to the LAN, or through a tunnel to the LAN. In which case, a simple ARP request would reveal the hardware address of every system on the LAN.

    There is very little danger for someone to put their MAC address on a website. It has no significance outside the scope of a local area network, and inside the scope of that network - anyone can view the MAC address of any machine anyway.


    read my post again. i said on the local area network.


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  • #12
    dlofnep
    Closed Accounts Posts: 20,759 ✭✭✭✭dlofnep


    BrokenArrows wrote: »
    read my post again. i said on the local area network.

    Of which a random poster on a website would not be apart of.


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