NAME

  HTR_A_In_DM_IPv6H_hlim - Host Transport Mode AH Inbound, Undetect modification of IPv6 header hoplimit with AH

TARGET

  Host

SYNOPSIS

  HTR_A_In_DM_IPv6H_hlim.seq [-tooloption ...] -pkt HTR_A_DM_IPv6H.def
    -tooloption : v6eval tool option
  See also HTR_A_common.def and HTR_common.def

INITIALIZATION

For details of Network Topology, see 00README

Set NUT's SAD and SPD as following: 

              NET5      NET3
    HOST1_NET5 -- Router -- NUT
         -----transport----->

Security Association Database (SAD)

source address HOST1_NET5
destination address NUT_NET3
SPI 0x1000
mode transport
protocol AH
AH algorithm HMAC-MD5
AH algorithm key TAHITEST89ABCDEF

Security Policy Database (SPD)

source address HOST1_NET5
destination address NUT_NET3
upper spec any
direction in
protocol AH
mode transport

TEST PROCEDURE

 Tester                      Target
   |                           |
   |-------------------------->|
   |      ICMP Echo Request    |
   |         with AH           |
   |                           |
   |<--------------------------|
   |      ICMP Echo Reply      |
   |        Judgement #1       |
   |                           |
   |-------------------------->|
   |      ICMP Echo Request    |
   |         with AH           |
   |  (HopLimit of IPv6H is modified)
   |                           |
   |<--------------------------|
   |      ICMP Echo Reply      |
   |        Judgement #2       |
   |                           |
   v                           v
  1. Send ICMP Echo Request with AH
  2. Receive ICMP Echo Reply
  3. Send ICMP Echo Request with AH (HopLimit of IPv6H is modified)
  4. Receive ICMP Echo Reply

ICMP Echo Request with AH

IP Header Source Address HOST1_NET5
Destination Address NUT_NET3
AH SPI 0x1000
Sequence Number 1
Algorithm HMAC-MD5
Key TAHITEST89ABCDEF
ICMP Type 128 (Echo Request)

ICMP Echo Reply

IP Header Source Address NUT_NET3
Destination Address HOST1_NET5
ICMP Type 129 (Echo Reply)

ICMP Echo Request with AH (HopLimit of IPv6H is modified)

IP Header Source Address HOST1_NET5
Destination Address NUT_NET3
Hop Limit 15 (64 is original)
AH SPI 0x1000
Sequence Number 2
Algorithm HMAC-MD5
Key TAHITEST89ABCDEF
ICMP Type 128 (Echo Request)

JUDGMENT

  Judgement #1:
      Receive ICMP Echo Reply (MUST)
  Judgement #2:
      Receive ICMP Echo Reply (MUST)

SEE ALSO

  perldoc V6evalTool

  IPSEC.html IPsec Test Common Utility