R_A_RFC2407_4_6_2_2 - [Responder Test] Invalid Identification Payload receive
End-Node
R_A_RFC2407_4_6_2_2.seq [-tooloption ...] -pkt R_A_RFC2407_4_6_2_2.def -tooloption : v6eval tool option
See also ike_common.def and ike_ipsec.def and ike_addr.def and ike_pkt_ph1_recv.def and ike_pkt_ph2_recv.def
HOST-2(TN):initiator
|3ffe:501:ffff:101::11
|
Net-y --+--------+------------------------ 3ffe:501:ffff:101::/64
|
|
ROUTER-1(TN)
|3ffe:501:ffff:100::11
|
Net-z --+--------+------------------------ 3ffe:501:ffff:100::/64
|
|3ffe:501:ffff:100:XXXX
NUT:responder
XXXX: EUI64 address
Verification Points
During Phase I negotiations, the ID port and protocol fields MUST be
set to zero or to UDP port 500. If an implementation receives any
other values, this MUST be treated as an error and the security
association setup MUST be aborted.
Configuration
Initiator(TN)'s protocol fields of ID payload is set to TCP. (invalid value)
Initiator(TN)'s ID port fields of ID payload is set to 300. (invalid value)
Initiator and Responder IKE parameter
At least, following parameter must be included in proposal.
| Machine |
Src |
Dest |
Phase I |
Phase II |
| Ex mode |
Key Value |
Enc Alg |
Hash Alg |
Auth Method |
DH Group |
PH1 Lt |
IDx |
Proto ID |
Trans ID |
Mode |
Auth Alg |
PH2 Lt |
Upper |
| NUT |
NUT addr |
HOST-2 addr |
Aggressive |
IKE-TEST |
3DES |
SHA |
pre-shared key |
2 |
8 Hour |
NUT addr |
PROTO_IPSEC_ESP |
ESP_3DES |
Transport |
HMAC-SHA |
8 Hour |
any |
| HOST-2 |
HOST-2 addr |
NUT addr |
Aggressive |
IKE-TEST |
3DES |
SHA |
pre-shared key |
2 |
8 Hour |
HOST-2 addr |
PROTO_IPSEC_ESP |
ESP_3DES |
Transport |
HMAC-SHA |
8 Hour |
any |
*Ex Mode = Exchange mode
*IDx = identity payload(FQDN or user FQDN can also be chosen as IDx)
*Enc Alg = IKE Encryption Algorithm
*Hash Alg = IKE Authentication Algorithm
*Key Value = pre-shared key value
*PH1 Lt = Phase-1 Lifetime
*PH2 Lt = Phase-2 Lifetime
*Proto ID = Protocol Identifier
*Trans ID = Transform Identifier
*Mode = Encapsulation Mode
*Auth Alg = Authentication Algorithm
*Auth Method = Authentication Method
*DH Group = Diffie-Hellman Group
*Upper = Upper Layer Protocol
*NUT addr = NUT address
*HOST-2 addr = HOST-2 address
This test check is following.
AGGRESSIVE EXCHANGE
# Initiator(TN) Direction Responder(NUT)
(1) HDR; SA, KE, Ni, IDii ========> <-----ID protocol/port : TCP/300(invalid value)
(2) X <======== HDR; SA, KE, Nr, IDir, HASH_R <-----Must not transmit
Judgement (Check *1)
1. Send the first message from TN
In the first message (1), the initiator generates a proposal it
considers adequate to protect traffic for the given situation. The
Security Association, Proposal, and Transform payloads are included
in the Security Association payload (for notation purposes).
Keying material used to arrive at a common shared secret and random
information which is used to guarantee liveness and protect against
replay attacks are also transmitted. Additionally, the initiator
transmits identification information.
2. Receive the second message from NUT
In the second message (2), the responder indicates the protection
suite it has accepted with the Security Association, Proposal, and
Transform payloads.
Keying material used to arrive at a common shared secret and random
information which is used to guarantee liveness and protect against
replay attacks is also transmitted.Additionally, the responder
transmits identification information and the results of the agreed
upon authentication function(hash function).
The first message must not be accepted. And the second message(2)
must not be returned.
Clean up SAD and SPD
RFC2407
4.6.2 Identification Payload Content
The Identification Payload is used to identify the initiator of the
Security Association. The identity of the initiator SHOULD be used
by the responder to determine the correct host system security policy
requirement for the association. For example, a host might choose to
require authentication and integrity without confidentiality (AH)
from a certain set of IP addresses and full authentication with
confidentiality (ESP) from another range of IP addresses. The
Identification Payload provides information that can be used by the
responder to make this decision.
During Phase I negotiations, the ID port and protocol fields MUST be
set to zero or to UDP port 500. If an implementation receives any
other values, this MUST be treated as an error and the security
association setup MUST be aborted. This event SHOULD be auditable.
The following diagram illustrates the content of the Identification
Payload.
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! Next Payload ! RESERVED ! Payload Length !
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
! ID Type ! Protocol ID ! Port !
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
~ Identification Data ~
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
(omit)
RFC2408
5.8 Identification Payload Processing
(omit)
When an Identification payload is received, the receiving entity
(initiator or responder) MUST do the following:
1. Determine if the Identification Type is supported. This may be
based on the DOI and Situation. If the Identification
determination fails, the message is discarded and the following
actions are taken:
(a) The event, INVALID ID INFORMATION, MAY be logged in the
appropriate system audit file.
(b) An Informational Exchange with a Notification payload
containing the INVALID-ID-INFORMATION message type MAY be
sent to the transmitting entity. This action is dictated by
a system security policy.
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