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Someone is constantly sending deauth packets to me.... =(

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  • The only real defense is to use Ethernet, turn off the WiFi. Or Use WPA2 encryption, and make sure that you are using a strong network key.
    – Moab
    Commented Nov 29, 2010 at 23:09
  • Nope, WPA2-PSK, like WPA-PSK, is still susceptible to deauth attacks.
    – ephemient
    Commented Nov 30, 2010 at 0:06
  • lol, using ethernet isn't a solution to a wireless problem =p
    – NullVoxPopuli
    Commented Nov 30, 2010 at 2:31
  • Is there a way to maybe ignore de-auth packets? I know sometimes they are legit... BUt I'm not clear on when.... maybe if there was a way to detect when they were from the router... or something... not ... that... that also couldn't be forged... bah... =(
    – NullVoxPopuli
    Commented Nov 30, 2010 at 2:32

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If you use WPA(2)-EAP (extensible authentication protocol, sometimes called "enterprise") instead of WPA(2)-PSK (pre-shared key, sometimes called "personal"), you can make sure that your wireless is not snooped and that deauth packets will not open avenues of attack. EAP-TLS allows the client to authenticate the AP and vice versa, and each client can have its own secret key.

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It's called Management Frame Protection, or MFP. Defined in ieee 802.11w, 2009. Not everything supports it yet, and Cisco has their own version.

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    Would it be possible to hyperlink to an explanation of the Cisco version?
    – Everett
    Commented Dec 6, 2012 at 6:05

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