Eric Dumazet 946cedccbd tcp: Change possible SYN flooding messages ...

"Possible SYN flooding on port xxxx " messages can fill logs on servers.

Change logic to log the message only once per listener, and add two new
SNMP counters to track :

TCPReqQFullDoCookies : number of times a SYNCOOKIE was replied to client

TCPReqQFullDrop : number of times a SYN request was dropped because
syncookies were not enabled.

Based on a prior patch from Tom Herbert, and suggestions from David.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2011-09-15 14:49:43 -04:00

..

netfilter

netfilter: fix looped (broad|multi)cast's MAC handling

2011-06-16 17:27:04 +02:00

addrconf_core.c

ipv6: Remove IPV6_ADDR_RESERVED

2010-02-26 03:59:07 -08:00

addrconf.c

net: fix NULL dereferences in check_peer_redir()

2011-08-03 03:34:12 -07:00

addrlabel.c

rtnetlink: Compute and store minimum ifinfo dump size

2011-06-09 20:38:07 -07:00

af_inet6.c

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

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

ah6.c

xfrm: Use separate low and high order bits of the sequence numbers in xfrm_skb_cb

2011-03-13 20:22:28 -07:00

anycast.c

inet: constify ip headers and in6_addr

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

datagram.c

ipv6: check for IPv4 mapped addresses when connecting IPv6 sockets

2011-08-05 03:56:30 -07:00

esp6.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

2011-05-05 14:59:02 -07:00

exthdrs_core.c

net: return operator cleanup

2010-09-23 14:33:39 -07:00

exthdrs.c

ipv6: Convert to use flowi6 where applicable.

2011-03-12 15:08:54 -08:00

fib6_rules.c

ipv6: Convert to use flowi6 where applicable.

2011-03-12 15:08:54 -08:00

icmp.c

inet: constify ip headers and in6_addr

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

inet6_connection_sock.c

inet: Pass flowi to ->queue_xmit().

2011-05-08 15:28:28 -07:00

inet6_hashtables.c

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

2011-08-06 18:33:19 -07:00

ip6_fib.c

net: fix NULL dereferences in check_peer_redir()

2011-08-03 03:34:12 -07:00

ip6_flowlabel.c

ipv6: Convert to use flowi6 where applicable.

2011-03-12 15:08:54 -08:00

ip6_input.c

inet: constify ip headers and in6_addr

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

ip6_output.c

net: fix NULL dereferences in check_peer_redir()

2011-08-03 03:34:12 -07:00

ip6_tunnel.c

atomic: use <linux/atomic.h>

2011-07-26 16:49:47 -07:00

ip6mr.c

rtnetlink: Compute and store minimum ifinfo dump size

2011-06-09 20:38:07 -07:00

ipcomp6.c

inet: constify ip headers and in6_addr

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

ipv6_sockglue.c

ipv6: Fix ipv6_getsockopt for IPV6_2292PKTOPTIONS

2011-08-19 03:19:07 -07:00

Kconfig

ipv6: ip6mr: support multiple tables

2010-05-11 14:40:55 +02:00

Makefile

[IPV6] MROUTE: Support multicast forwarding.

2008-04-05 22:33:38 +09:00

mcast.c

mcast: Fix source address selection for multicast listener report

2011-08-24 17:46:15 -07:00

mip6.c

inet: constify ip headers and in6_addr

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

ndisc.c

net: Abstract dst->neighbour accesses behind helpers.

2011-07-17 23:11:35 -07:00

netfilter.c

inet: constify ip headers and in6_addr

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

proc.c

ipv6: reduce per device ICMP mib sizes

2011-05-19 16:21:22 -04:00

protocol.c

net: add __rcu annotations to protocol

2010-10-27 11:37:31 -07:00

raw.c

ipv6: Reduce switch/case indent

2011-07-01 16:11:16 -07:00

reassembly.c

inet: constify ip headers and in6_addr

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

route.c

net: fix NULL dereferences in check_peer_redir()

2011-08-03 03:34:12 -07:00

sit.c

sit tunnels: propagate IPv6 transport class to IPv4 Type of Service

2011-08-16 16:28:55 -07:00

syncookies.c

tcp: initialize variable ecn_ok in syncookies path

2011-08-10 21:59:57 -07:00

sysctl_net_ipv6.c

net ipv6: Fix duplicate /proc/sys/net/ipv6/neigh directory entries.

2011-03-21 18:23:34 -07:00

tcp_ipv6.c

tcp: Change possible SYN flooding messages

2011-09-15 14:49:43 -04:00

tunnel6.c

tunnels: add _rcu annotations

2010-10-25 13:09:45 -07:00

udp_impl.h

net: Make setsockopt() optlen be unsigned.

2009-09-30 16:12:20 -07:00

udp.c

ipv6: make fragment identifications less predictable

2011-07-21 21:25:58 -07:00

udplite.c

net: fix nulls list corruptions in sk_prot_alloc

2010-12-16 14:26:56 -08:00

xfrm6_input.c

netfilter: ipv6: use NFPROTO values for NF_HOOK invocation

2010-03-25 16:00:49 +01:00

xfrm6_mode_beet.c

inet: constify ip headers and in6_addr

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

xfrm6_mode_ro.c

[IPSEC]: Make x->lastused an unsigned long

2008-01-28 14:53:52 -08:00

xfrm6_mode_transport.c

[IPSEC]: Use IPv6 calling convention as the convention for x->mode->output

2007-10-10 16:55:54 -07:00

xfrm6_mode_tunnel.c

inet: constify ip headers and in6_addr

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

xfrm6_output.c

xfrm: Assign the inner mode output function to the dst entry

2011-05-10 15:03:34 -07:00

xfrm6_policy.c

inet: constify ip headers and in6_addr

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

xfrm6_state.c

xfrm: Assign the inner mode output function to the dst entry

2011-05-10 15:03:34 -07:00

xfrm6_tunnel.c

ipv6: Fix return of xfrm6_tunnel_rcv()

2011-05-24 01:11:51 -04:00