@techreport{ietf-ipsecme-ikev2-downgrade-prevention-01, number = {draft-ietf-ipsecme-ikev2-downgrade-prevention-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-ipsecme-ikev2-downgrade-prevention/01/}, author = {Valery Smyslov and Christopher Patton}, title = {{Downgrade Prevention for the Internet Key Exchange Protocol Version 2 (IKEv2)}}, pagetotal = 10, year = 2025, month = nov, day = 14, abstract = {This document describes an extension to the Internet Key Exchange protocol version 2 (IKEv2) that aims to prevent some kinds of downgrade attacks on this protocol by having the peers confirm they have participated in the same conversation.}, }