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  • lord of caos
    replied
    im sorry for not posting before, i have 1 exam everyday O_O

    i dont care to ban them for ever, in our league we know each other, so if one cheats it would be easy to catch him if he changes his mac...we are about 300 players and i personaly know about 200...

    so i think this way as a way to catch them.. and also the guy whos said something about the CPU id.. how could i do that??

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  • LosT
    replied
    Originally posted by converge
    Then all the 1337 gamers will simply change their mac every time they get banned... The most common method for banning gamers is by simply taking their entire account from them. If the cheating is so rampant that anyone can set up a new account and progress/effect other players efficiently, then the only way to combat the cheating is by patching and enforcement of fixes to the game itself. After all.. the ability to cheat *is* a bug in the game, not the user.

    Exactly. I've had this argument with more people... dealing with problems via IP or MAC is not an efficient way of fixing the problem. I also don't think that the answer is in storing everything server-side.

    LosT

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  • converge
    replied
    Then all the 1337 gamers will simply change their mac every time they get banned... The most common method for banning gamers is by simply taking their entire account from them. If the cheating is so rampant that anyone can set up a new account and progress/effect other players efficiently, then the only way to combat the cheating is by patching and enforcement of fixes to the game itself. After all.. the ability to cheat *is* a bug in the game, not the user.

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  • Hextic
    replied
    If your game uses a client program (i cannot imagine why not), you could put code into the client that sends the MAC and possibly even processor serial # if you want to get really tight. No MAC sent, no play to prevent people from just telnetting your server(s).

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  • lord of caos
    replied
    im sorry for not posting before ive been busy, im at my final exams at the university year.

    well, someone there asked for details of the server.
    in chile, there are game companies, they work as comunities with many comunities inside, for example www.insomniagames.cl there each game is a comunity.
    im a tactical ops administrator, and there are many cheaters and im trying to catch them, the problem is that the IP in chile, are dinamic, they change when you reeboot, so im trying to make a system to ban them from the mac using the the Tactical Ops router filters (tactical ops is the game witch im admin)


    thats why i need to ban, and an effective system :D, thanks for the help, and sorry again for my shity english :(

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  • TheCotMan
    replied
    Originally posted by lord of caos
    i need to ban some people but the ips here are dinamic, so i needed a new ban sistem, my idea is to ban the mac address from the router, and for that i need their mac.. thats the problem, ive only found how to find the macs of the computers on my lan, i need to do it outside my lan, and of course, i have the ip address...
    I know this is long, and I suck for writing it.

    Using MAC address as a filter is a poor selection since you are trusting the user to not change their MAC Address they use. The MAC Address on many cards can be changed in software in many OS. Even if your users are mostly stupid, all it takes if for one to show the rest and (you get the idea.)

    Next, (assuming you know this, but stating anyway): It is useless to try to filter by MAC if they are more than 1 hop outside your network because the MAC source address in the passed frame in your network will be that of your last hop router's internal interface. (In case you are trying to block outside user on the Internet from getting through your router to your network.)

    When all users being limited are local, you could choose to use a kind of "Authentecated Network Access" for users. The summary of it is this... Users get an IP address from a DHCP server with their port that is on a private VLAN. Then, all of their http requests and DNS lookups point them to a single page to authenticate to use the network. After authentication, their VLAN is switched to the "common" network. This requires vendor support for your switches and often is expensive.

    Other systems involve giving users regular network IP addresses, but not letting them get beyond a filter until they authenticate. Then the authentication application (in)directly changes the filtering rules to allow them. These systems can be independent of your switches.

    Simple "home-grown" systems have been made for people who want to make free wireless hotspots. One such group is nocat but there is/was a big groups in Seattle, LA and New York too. You may be able to adapt their software if you have lots of time, but no money.

    HTH

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  • Voltage Spike
    replied
    Originally posted by astcell
    When you buy the NIC, the MAC address is on a sticker on the box.
    I always thought of the sticker as more of a suggestion...

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  • astcell
    replied
    When you buy the NIC, the MAC address is on a sticker on the box.

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  • atripes
    replied
    Originally posted by mikedc1760
    If I were to get a TCP/IP tutorial would this type of information be addressed so I can understand it better?
    YES!

    (The message you have entered is too short. Please lengthen your message to at least 10 characters.)

    Leave a comment:


  • mikedc1760
    replied
    If I were to get a TCP/IP tutorial would this type of information be addressed so I can understand it better?

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  • Voltage Spike
    replied
    Originally posted by Ras_al_cool
    shouldnt he be researching RARP for the MAC address? correct me if i'm wrong
    You're wrong.

    ARP "translates" an IP address into a MAC address. Reverse ARP can be used to query a special reverse-ARP server (which you most certainly do not have) for the IP address of a given MAC address.

    And as noid appears to be getting at, you can't know the MAC address of the end client across the Internet using IPv4.

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  • Ras_al_cool
    replied
    shouldnt he be researching RARP for the MAC address? correct me if i'm wrong

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  • atripes
    replied
    ARP knows IP. Research ARP

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  • noid
    replied
    are these outside users from another LAN or from the Internet?

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  • AlxRogan
    replied
    Originally posted by lord of caos
    hi, first of all im sorry for my english, im from chile, south america.
    im starting to study network security, but already taking care of some servers, my problem is that, i need to ban some people but the ips here are dinamic, so i needed a new ban sistem, my idea is to ban the mac address from the router, and for that i need their mac.. thats the problem, ive only found how to find the macs of the computers on my lan, i need to do it outside my lan, and of course, i have the ip address...

    thanks for the time, and sorry again for my english :(
    Some more information would be useful, what type of servers are you running, i.e. Windows, Linux/Unix? What services are you running that you want to ban people from using? Are the people you want to ban coming from any type of common source, i.e. like aol.com, lamers.org?

    Leave a comment:

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