Comment by PaulStatezny

Looks like NHP refers to "Network infrastructure Hiding Protocol" [1] [2]

> a cryptography-based session-layer protocol designed to implement Zero Trust principles by rendering protected network resources invisible to unauthorized entities

[1] https://www.ietf.org/archive/id/draft-opennhp-ace-nhp-00.htm...

[2] https://opennhp.org/