Host Monitoring Protocol Obsolete TCP/IP protocol From Wikipedia, the free encyclopedia Host Monitoring Protocol (HMP) is an obsolete TCP/IP protocol described in RFC 869.[1] References [1] Hinden (Dec 1983). A Host Monitoring Protocol. IETF. doi:10.17487/RFC0869. RFC 869. This computer networking article is a stub. You can help Wikipedia by adding missing information.vte Related Articles