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Common NNTP Extensions (RFC2980)

IP.com Disclosure Number: IPCOM000005173D
Original Publication Date: 2000-Oct-01
Included in the Prior Art Database: 2001-Aug-16
Document File: 28 page(s) / 57K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Barber: AUTHOR

Abstract

In this document, a number of popular extensions to the Network News Transfer Protocol (NNTP) protocol defined in RFC 977 are documented and discussed. While this document is not intended to serve as a standard of any kind, it will hopefully serve as a reference document for future implementers of the NNTP protocol. In the role, this document would hopefully create the possibility for some level of interoperability among implementations that make use of extensions.

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Network Working Group S. Barber Request for Comments: 2980 Academ Consulting Services Category: Informational October 2000

Common NNTP Extensions

Status of this Memo

This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2000). All Rights Reserved.

Abstract

In this document, a number of popular extensions to the Network News Transfer Protocol (NNTP) protocol defined in RFC 977 are documented and discussed. While this document is not intended to serve as a standard of any kind, it will hopefully serve as a reference document for future implementers of the NNTP protocol. In the role, this document would hopefully create the possibility for some level of interoperability among implementations that make use of extensions.

Introduction

RFC 977 [1] defines the NNTP protocol and was released over a decade ago. Since then, NNTP has become one of the most popular protocols in use on the Internet. Many implementations of the protocol have been created on many different platforms and operating systems. With the growth in use of the protocol, work began on a revision to NNTP in 1991, but that work did not result in a new standard protocol specification. However, many ideas from that working group did find their way into many implementations of NNTP. Additionally, many other extensions, often created by newsreader authors, are also in use. This document will capture and define all known extensions to NNTP available in official NNTP server releases of some type as of this writing. Where possible, the server software first implementing a particular extension will be noted. It is the hope of the author that using this document in tandem with RFC 977 will limit the addition of new extensions that essentially do the same thing. Software developers may wish to use this document and others [2] as a resource for the development of new software.

Barber Informational [Page 1]

RFC 2980 Common NNTP Extensions October 2000

This document does not specify an Internet Standard of any kind. It only attempts to document current practices. While this document may clarify some ambiguity in RFC 977, RFC 977 should be regarded as authoritative in all cases. There are some implementations that are not strictly RFC 977 compliant and where necessary, these deviations from the standard will be noted. This document does reflect the work of the IETF NNTP-EXT working group chaired by Ned Freed and Stan Barber.

This document is provided to help implementers have a uniform source of information about extensions, however, it is important for any prospective implementer to understand that the extensions listed here are NOT part of any current standard for NNTP. In fact, some of the ones listed in this document should not be included in new NNTP implementations as they should no longer be used modern NNTP environments. Such commands should be considered his...