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Thread: protection against wireless DOS attack

  1. #1
    Just burned his ISO
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    Default protection against wireless DOS attack

    hi everyone,

    I own two wireless hotspots and i intend to expand across the town. right now i discovered that a simple
    DOS attack can ruin the internet experience for my customers using a an aircrack command like;

    Code:
    aireplay-ng -0  0 -a (bssid) mon)
    truly, i've confirmed this in several tests and apparently the person wouldn't need to even be authenticated to my
    network.

    now i have a couple of questions;

    1. how can i protect my network against such an attack
    2. if i don't hide my network ssid, is it still possible for it to be DOS'ed if the person uses a tool like
    kismet to see my radio's MAC address
    3. will it help if i use 5 ghz radios and connect customers to the hotspot through a 5ghz CPE since laptops
    run on 2.4 or is it possible for a 5ghz frequency to also be DOS'ed?
    4. is there a way to trace the person who is DOSsing the network (just in case i want to smash his head with a club ) ?

    i'm really a noob in wireless security and will appreciate any input to help my network as i try to scale

    thanks,
    max

  2. #2
    Junior Member rastamouse's Avatar
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    Default Re: protection against wireless DOS attack

    The deauthentication packets sent by aireplay-ng are based on rules as stated in the IEEE regulations, so all WiFi devices must accept them. I'm not aware of methods to prevent these attacks, but I am no expert. Hiding (or not) the SSID or using the 5GHz band does not change this.

  3. #3
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    Default Re: protection against wireless DOS attack

    Quote Originally Posted by rastamouse View Post
    using the 5GHz band does not change this.
    but if the person is going to DOS my network with a laptop i was thinking 5 ghz will be out of reach for him since it will be a 2.4ghz frequency.

    how will the person be attacking my 5ghz radio?

  4. #4
    Junior Member rastamouse's Avatar
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    Default Re: protection against wireless DOS attack

    Ok, sorry. Assuming the person does not have a card capable of communicating on the 5GHz band, then this is true. I meant to say that the 5GHz band was not immune to this type of attack.

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