tree 2423b611659756f2b6553b8d1aa2c117b248c884
parent 78a8a36fe0b2cee5a0a7360107815cbcad5b4003
author Eric Dumazet <eric.dumazet@gmail.com> 1322869302 +0000
committer David S. Miller <davem@davemloft.net> 1322979919 -0500

tcp: drop SYN+FIN messages

Denys Fedoryshchenko reported that SYN+FIN attacks were bringing his
linux machines to their limits.

Dont call conn_request() if the TCP flags includes SYN flag

Reported-by: Denys Fedoryshchenko <denys@visp.net.lb>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>