Re: [IPsec] [IPSec] The NULL Authentication Method in IKEv2 Protocol - draft-ietf-ipsecme-ikev2-null-auth-07

2015-08-11 Thread Valery Smyslov
Hi Dharmanandana, I don't think that the attack, described in the section 2.4 of RFC 7296 is related to NULL authentication. This attack implies that attackers send IKE_SA_INIT response containing garbage in the KE Payload and that they never compute SKEYSEED and the other keys, so that they canno

[IPsec] [IPSec] The NULL Authentication Method in IKEv2 Protocol - draft-ietf-ipsecme-ikev2-null-auth-07

2015-08-11 Thread Dharmanandana Reddy Pothula
Hi, As per statement under section 2.4 in RFC 7296, To prevent DoS attack on the initiator, "the initiator MAY be willing to accept multiple responses to its first message, treat each response as potentially legitimate, respond to each one, and then discard all the invalid half-open connect