http://www.rfc-editor.org/rfc/rfc5537.txt
RFC 5537: Netnews Architecture and Protocols, R. Allbery, C. Lindsey2009-11-01T23:00:00-00:00This document defines the architecture of Netnews systems and specifies the correct manipulation and interpretation of Netnews articles by software that originates, distributes, stores, and displays them. It also specifies the requirements that must be met by any protocol used to transport and serve Netnews articles. [STANDARDS-TRACK]