Eric Dumazet 1a4eda9788 tcp: drop SYN+FIN messages ...

commit fdf5af0daf upstream.

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>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2012-07-19 08:58:22 -07:00

..

netfilter

net: Compute protocol sequence numbers and fragment IDs using MD5.

2011-08-15 18:31:35 -07:00

af_inet.c

net: bind() fix error return on wrong address family

2011-07-04 21:37:41 -07:00

ah4.c

ah: Don't return NET_XMIT_DROP on input.

2012-02-03 09:18:54 -08:00

arp.c

net: Don't proxy arp respond if iif == rt->dst.dev if private VLAN is disabled

2012-02-29 16:34:06 -08:00

cipso_ipv4.c

inet: add RCU protection to inet->opt

2011-04-28 13:16:35 -07:00

datagram.c

ipv4: Lock socket and use cork flow in ip4_datagram_connect().

2011-05-08 13:48:57 -07:00

devinet.c

ipv4: flush route cache after change accept_local

2012-01-06 14:14:09 -08:00

esp4.c

xfrm: take net hdr len into account for esp payload size calculation

2012-06-10 00:33:03 +09:00

fib_frontend.c

Disable rp_filter for IPsec packets

2011-04-10 18:50:59 -07:00

fib_lookup.h

ipv4: Fix nexthop caching wrt. scoping.

2011-03-24 18:06:47 -07:00

fib_rules.c

ipv4: Use flowi4 in FIB layer.

2011-03-12 15:08:49 -08:00

fib_semantics.c

ipv4: fix the rcu race between free_fib_info and ip_route_output_slow

2012-06-10 00:33:02 +09:00

fib_trie.c

ipv4: Do not use dead fib_info entries.

2012-06-10 00:33:02 +09:00

gre.c

gre: fix improper error handling

2011-08-15 18:31:39 -07:00

icmp.c

icmp: Fix regression in nexthop resolution during replies.

2011-08-15 18:31:37 -07:00

igmp.c

igmp: Avoid zero delay when receiving odd mixture of IGMP queries

2012-01-12 11:35:41 -08:00

inet_connection_sock.c

seqlock: Get rid of SEQLOCK_UNLOCKED

2011-05-24 15:22:17 +02:00

inet_diag.c

inet_diag: fix inet_diag_bc_audit()

2011-06-17 16:25:39 -04:00

inet_fragment.c

…

inet_hashtables.c

net: Compute protocol sequence numbers and fragment IDs using MD5.

2011-08-15 18:31:35 -07:00

inet_lro.c

inet: constify ip headers and in6_addr

2011-04-22 11:04:14 -07:00

inet_timewait_sock.c

…

inetpeer.c

net: Compute protocol sequence numbers and fragment IDs using MD5.

2011-08-15 18:31:35 -07:00

ip_forward.c

ipv4: Save nexthop address of LSRR/SSRR option to IPCB.

2012-02-29 16:34:02 -08:00

ip_fragment.c

ipv4: Don't use enums as bitmasks in ip_fragment.c

2011-05-17 17:28:02 -04:00

ip_gre.c

net: fix NULL dereferences in check_peer_redir()

2012-02-13 11:06:13 -08:00

ip_input.c

inet: constify ip headers and in6_addr

2011-04-22 11:04:14 -07:00

ip_options.c

ipv4: Fix wrong order of ip_rt_get_source() and update iph->daddr.

2012-02-29 16:34:03 -08:00

ip_output.c

net: fix NULL dereferences in check_peer_redir()

2012-02-13 11:06:13 -08:00

ip_sockglue.c

inet: add RCU protection to inet->opt

2011-04-28 13:16:35 -07:00

ipcomp.c

inet: constify ip headers and in6_addr

2011-04-22 11:04:14 -07:00

ipconfig.c

net: have ipconfig not wait if no dev is available

2012-01-06 14:14:08 -08:00

ipip.c

ipip, sit: copy parms.name after register_netdevice

2012-01-06 14:13:45 -08:00

ipmr.c

ipv4: use RT_TOS after some rt_tos conversions

2011-08-15 18:31:39 -07:00

Kconfig

…

Makefile

net: ipv4: add IPPROTO_ICMP socket kind

2011-05-13 16:08:13 -04:00

netfilter.c

netfilter: TCP and raw fix for ip_route_me_harder

2011-10-03 11:40:53 -07:00

ping.c

ipv4, ping: Remove duplicate icmp.h include

2011-06-20 13:04:38 -07:00

proc.c

…

protocol.c

…

raw.c

net: convert %p usage to %pK

2011-05-24 01:13:12 -04:00

route.c

ipv4: fix redirect handling

2012-02-29 16:34:18 -08:00

syncookies.c

tcp: fix syncookie regression

2012-03-23 11:20:51 -07:00

sysctl_net_ipv4.c

net: ping: fix build failure

2011-05-17 14:16:58 -04:00

tcp_bic.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_cong.c

…

tcp_cubic.c

tcp_cubic: limit delayed_ack ratio to prevent divide error

2011-05-08 15:51:57 -07:00

tcp_diag.c

…

tcp_highspeed.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_htcp.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_hybla.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_illinois.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_input.c

tcp: drop SYN+FIN messages

2012-07-19 08:58:22 -07:00

tcp_ipv4.c

tcp: fix syncookie regression

2012-03-23 11:20:51 -07:00

tcp_lp.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

tcp_minisocks.c

…

tcp_output.c

tcp: fix tcp_trim_head() to adjust segment count with skb MSS

2012-02-03 09:19:04 -08:00

tcp_probe.c

…

tcp_scalable.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_timer.c

tcp: Remove debug macro of TCP_CHECK_TIMER

2011-02-20 11:10:14 -08:00

tcp_vegas.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_vegas.h

…

tcp_veno.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_westwood.c

tcp: mark tcp_congestion_ops read_mostly

2011-03-10 00:40:17 -08:00

tcp_yeah.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

tcp.c

tcp: do_tcp_sendpages() must try to push data out on oom conditions

2012-05-21 09:40:03 -07:00

tunnel4.c

…

udp_impl.h

…

udp.c

net: refine {udp|tcp|sctp}_mem limits

2011-07-07 00:27:05 -07:00

udplite.c

…

xfrm4_input.c

…

xfrm4_mode_beet.c

ipsec: be careful of non existing mac headers

2012-03-19 08:57:45 -07:00

xfrm4_mode_transport.c

…

xfrm4_mode_tunnel.c

ipsec: be careful of non existing mac headers

2012-03-19 08:57:45 -07:00

xfrm4_output.c

xfrm4: Don't call icmp_send on local error

2011-07-01 17:33:19 -07:00

xfrm4_policy.c

ipv4: fix ipsec forward performance regression

2011-11-11 09:36:25 -08:00

xfrm4_state.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-3.6

2011-05-11 14:26:58 -04:00

xfrm4_tunnel.c

…