Johannes Berg 12b74dfadb ipv4: add option to drop unicast encapsulated in L2 multicast ... In order to solve a problem with 802.11, the so-called hole-196 attack, add an option (sysctl) called "drop_unicast_in_l2_multicast" which, if enabled, causes the stack to drop IPv4 unicast packets encapsulated in link-layer multi- or broadcast frames. Such frames can (as an attack) be created by any member of the same wireless network and transmitted as valid encrypted frames since the symmetric key for broadcast frames is shared between all stations. Additionally, enabling this option provides compliance with a SHOULD clause of RFC 1122. Reviewed-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2016-02-11 04:27:35 -05:00
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linux	tcp: __tcp_hdrlen() helper	2016-02-11 03:54:14 -05:00
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net	soreuseport: fast reuseport TCP socket selection	2016-02-11 03:54:15 -05:00
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trace	sunvnet: Add support for perf LDC event tracing	2016-02-07 14:13:05 -05:00
uapi	ipv4: add option to drop unicast encapsulated in L2 multicast	2016-02-11 04:27:35 -05:00
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