3.8.5.2 Receiving Message #2

  • Article

On receipt of message #2, the host MUST validate the message as follows:

  • Validate the ISAKMP header, as specified in [RFC2408] section 5.2.

  • Verify that the message ID in the ISAKMP payload is identical to the message ID from message #1.

If this verification succeeds, the host MUST stop the delete retransmission timer. Otherwise, the host MUST silently discard message #2.