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Re: [PATCH 1/2] mac80211: Drop protected data frames that have not been decrypted

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On Mon, 2010-02-15 at 00:37 +0100, Benoit Papillault wrote:
> Fix for the following issue : a STA connected to a WPA2 AP was showing
> frames from others STA in tcpdump on wlan0 (promiscuous mode). In
> fact,
> those frames are not decrypted and appears as 802.3 junk. This patch
> just drops any protected data frames that have not been decrypted.

Those frames are only passed up when you set IFF_PROMISC on the
interface, so that's not really a bug, in a sense you wanted to see
them. Now, they may not actually be useful to you, and I'd argue that
checking IFF_PROMISC has no place in mac80211, but it's not really a
bug.

johannes

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