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Who is using my wireless modem ?

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  • 26-05-2009 3:23pm
    #1
    englander
    Registered Users Posts: 205 ✭✭


    I recently went wireless in the house and was unsecured for a while.

    I have a feeling that someone was using my connection as the lights would start flashing away even though PC was off.

    Anyway, is there anyway I can see who or if anyone is logged onto my modem ?

    (I have now improved security but was thinking of trying an experiment !)


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    #2
    hustlergraham
    Registered Users Posts: 158 ✭✭hustlergraham


    Key this in to your browser 192.168.1.254 (if your with eircom) and then expert mode,statistics and then wireless.

    You can see whos logged on then. Hope this helps you.


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    #3
    bushy...
    Closed Accounts Posts: 1,467 ✭✭✭bushy...


    Thread here shows how/where on different brands:

    http://boards.ie/vbulletin/showthread.php?t=2055567450


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    #4
    Caliden
    Registered Users Posts: 5,982 ✭✭✭Caliden


    If you have a netopia you can use the inbuilt "Limit Wireless Access by MAC Address" option so that only computers who have their mac address listen will be able use the network


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    #5
    bk
    Moderators, Motoring & Transport Moderators, Technology & Internet Moderators Posts: 22,718 Mod ✭✭✭✭bk


    Caliden wrote: »
    If you have a netopia you can use the inbuilt "Limit Wireless Access by MAC Address" option so that only computers who have their mac address listen will be able use the network

    That isn't an adequate level of security as it is trivial to fake a mac address.

    You should use WPA security with a decent long random alpha numeric password.


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    #6
    railto
    Closed Accounts Posts: 10 ✭railto


    englander wrote: »
    I recently went wireless in the house and was unsecured for a while.

    I have a feeling that someone was using my connection as the lights would start flashing away even though PC was off.

    Anyway, is there anyway I can see who or if anyone is logged onto my modem ?

    (I have now improved security but was thinking of trying an experiment !)

    All due respect, but you deserve for someone to be using your wireless, leaving a WLAN unsecured is like leaving the keys in your front door, its asking for trouble


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    #7
    jimmycrackcorm
    Registered Users Posts: 14,339 ✭✭✭✭jimmycrackcorm


    The wireless modem lights will blink in any case as there will be some inherent communications on the WAN link. If it is a standard eircom netopia and you haven't changed the default security then it is likely to be used by someone exploiting the well known eircom ssid flaw.


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    #8
    dub45
    Moderators, Technology & Internet Moderators Posts: 12,448 Mod ✭✭✭✭dub45


    jimmycrackcorm wrote: »
    The wireless modem lights will blink in any case as there will be some inherent communications on the WAN link. If it is a standard eircom netopia and you haven't changed the default security then it is likely to be used by someone exploiting the well known eircom ssid flaw.

    The poster actually stated that the security was off for a while.

    And the poster doesnt state what type of of broadband he or she has never mind whether it might be with Eircom or not.


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    #9
    docentore
    Registered Users Posts: 1,582 ✭✭✭docentore


    Best way to see if soemone strange is on your network to run something like
    Look@Lan

    It shows all devices on LAN including routers, game consoles etc, regardless if connected through wifi or cat5, DHCP or not.


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