Files
linux/include/net
Dmitry Safonov 953af8e3ac net/tcp: Ignore specific ICMPs for TCP-AO connections
Similarly to IPsec, RFC5925 prescribes:
  ">> A TCP-AO implementation MUST default to ignore incoming ICMPv4
  messages of Type 3 (destination unreachable), Codes 2-4 (protocol
  unreachable, port unreachable, and fragmentation needed -- ’hard
  errors’), and ICMPv6 Type 1 (destination unreachable), Code 1
  (administratively prohibited) and Code 4 (port unreachable) intended
  for connections in synchronized states (ESTABLISHED, FIN-WAIT-1, FIN-
  WAIT-2, CLOSE-WAIT, CLOSING, LAST-ACK, TIME-WAIT) that match MKTs."

A selftest (later in patch series) verifies that this attack is not
possible in this TCP-AO implementation.

Co-developed-by: Francesco Ruggeri <fruggeri@arista.com>
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Co-developed-by: Salam Noureddine <noureddine@arista.com>
Signed-off-by: Salam Noureddine <noureddine@arista.com>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Acked-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-27 10:35:45 +01:00
..
2023-03-17 08:56:37 +00:00
2022-08-09 22:14:02 -07:00
2023-10-24 13:08:14 -07:00
2023-10-25 18:04:29 -07:00
2021-12-16 07:18:35 -08:00
2023-08-15 15:01:03 -07:00
2021-10-15 11:33:08 +01:00
2023-09-06 06:05:59 +01:00
2023-04-22 01:39:41 +02:00
2021-10-13 09:40:46 -07:00
2023-08-22 17:31:18 -07:00
2022-05-11 12:43:10 +01:00
2023-07-14 20:39:30 -07:00
2023-10-01 13:20:36 +01:00
2023-10-04 11:49:20 -07:00
2023-02-16 09:27:07 +01:00
2023-10-23 15:01:53 -07:00
2023-07-28 14:07:59 -07:00
2022-12-12 15:04:39 -08:00
2023-09-14 16:16:36 +02:00
2023-08-02 10:58:26 +01:00
2023-07-19 09:56:49 -07:00
2023-07-19 09:56:49 -07:00