Sniffing Wireless Packets
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Thread: Sniffing Wireless Packets

  1. #1
    Hoopy Frood
    Join Date
    Jun 2004
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    662

    Sniffing Wireless Packets

    Hey, all. Just got at college and I had a question. I was running Ethereal for the heckuv it and I had a question. I'm sniffing it's capturing packets and all just fine. (It's using the "interface" Wireless-G Adapter, that's my network card.) What I wanted to know was whether or not it's going to be picking up other people's packets as well as my own. (Provided there are other people nearby and broadcasting.) Sorry for the noobish question.

    Regards,
    Xierox
    "Personality is only ripe when a man has made the truth his own."

    -- Søren Kierkegaard

  2. #2
    Keeping The Balance CybertecOne's Avatar
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    Aug 2004
    Location
    Australia
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    659
    yes, you can sniff other packets, and the wireless network from more than one house may be overlapping, but it shouldnt affect network setup or functionality unless the settings are the same. which is unlikely.

    CTO
    "Any intelligent fool can make things bigger and more complex... It takes a touch of genius --- and a lot of courage to move in the opposite direction."
    - Albert Einstein

  3. #3
    Banned
    Join Date
    Sep 2004
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    145
    Assuming your card handles promiscuous capture well, yes, every packet passing by that is B or G wireless will be captured.

  4. #4
    King Tutorial-ankhamun
    Join Date
    Jul 2004
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    897
    Also, if you use a tool like Kismet that does RF monitoring, and look at the dump it makes in ethereal you can see traffic that’s not even on the same SSID as you.

  5. #5
    Hoopy Frood
    Join Date
    Jun 2004
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    Thanks for the replies, everyone! One more question, how would I tell if my card handles "promiscuous capture"? It's a fairly new card, if that helps. Linksys 54mbps-G

    Xierox
    "Personality is only ripe when a man has made the truth his own."

    -- Søren Kierkegaard

  6. #6
    King Tutorial-ankhamun
    Join Date
    Jul 2004
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    897
    Can you give us the exact card number? Is it a WPC54G?

  7. #7
    Hoopy Frood
    Join Date
    Jun 2004
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    662
    Sorry it took me so long to respond. College life has kept me busy. It's all so new to me. Anyways, yes, it's a WPC54G.

    Regards,
    Xierox
    "Personality is only ripe when a man has made the truth his own."

    -- Søren Kierkegaard

  8. #8
    King Tutorial-ankhamun
    Join Date
    Jul 2004
    Posts
    897
    Then as best as I can tell, yes, it can go into promiscuous mode. See:

    http://www.networkactiv.com/PIAFCTMCompatibility.html

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