Network News Transfer Protocol (NNTP) Parameters

Created

  • 2005-07-12

Last Updated

  • 2017-04-24

Available Formats


NNTP Capability Labels

Registration Procedure(s)

  • Labels beginning with X are reserved for private use. All others: Standards Track RFC or an IESG-approved experimental protocol.

Reference

  • RFC 3977: Network News Transfer Protocol (NNTP)

Note

All capability labels in the registry MUST consist only of US-ASCII letters, digits, and the characters dot (".") and dash ("-"), and MUST begin with a letter other than X. They MUST be at least three characters.

Available Formats

Label Meaning Reference
AUTHINFO Authentication RFC 4643
COMPRESS Supported compression algorithms RFC 8054
HDR Batched header retrieval RFC 3977
IHAVE IHAVE command available RFC 3977
IMPLEMENTATION Server implementation-specific information RFC 3977
LIST LIST command variants RFC 3977; RFC 6048
MODE-READER Mode-switching server and MODE READER command available RFC 3977
NEWNEWS NEWNEWS command available RFC 3977
OVER Overview support RFC 3977
POST POST command available RFC 3977
READER Reader commands available RFC 3977
SASL Supported SASL mechanisms RFC 4643
STARTTLS Transport layer security RFC 4642; RFC 8143
STREAMING Streaming feeds RFC 4644
VERSION Supported NNTP versions RFC 3977

NNTP Compression Algorithms

Registration Procedure(s)

  • First Come First Served

Reference

  • RFC 8054: Network News Transfer Protocol (NNTP) Extension for Compression

Note

NNTP compression algorithms are named by strings from 1 to 20 characters in length consisting of uppercase letters, digits, hyphens, and/or underscores.

Available Formats

Algorithm Name Intended Usage Comment Change Controller Reference
DEFLATE COMMON Mandatory to implement IESG RFC 8054