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| author |   Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> | 2012-08-31 09:55:54 +0000 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2012-09-09 22:13:49 +0200 |
| commit | 4a70bbfaef0361d27272629d1a250a937edcafe4 (patch) | |
| tree | 8389e2f3b55cfcec5770a9fd83b9a52c31e4128b /net/netfilter/xt_LOG.c | |
| parent | netfilter: Mark SYN/ACK packets as invalid from original direction (diff) | |
| download | linux-dev-4a70bbfaef0361d27272629d1a250a937edcafe4.tar.xz linux-dev-4a70bbfaef0361d27272629d1a250a937edcafe4.zip | |
netfilter: Validate the sequence number of dataless ACK packets as well
We spare nothing by not validating the sequence number of dataless
ACK packets and enabling it makes harder off-path attacks.
See: "Reflection scan: an Off-Path Attack on TCP" by Jan Wrobel,
http://arxiv.org/abs/1201.2074
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter/xt_LOG.c')
0 files changed, 0 insertions, 0 deletions