Which of the following characteristics relates to authentication header (ah)? it is a document that defines or describes computer and networking technologies. these documents are published by the internet engineering task force, the standards body for internet engineering specifications. rfcs exist for hardware, operating systems, protocols, security services, and much more. it is an older protocol largely replaced by ipsec and ssl/ tls-based vpns in production environments, but it is still in use in some older environments. it is an early proprietary protocol from microsoft. it is a protocol that provides integrity protection for packet headers and data, as well as user authentication.