Network News Transfer Protocol (NNTP) Parameters Created 2005-07-12 Last Updated 2006-11-07 This registry is also available in XML and plain text formats. Registry included below * NNTP capability labels NNTP capability labels Reference [RFC3977] 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. Registration Procedures Labels beginning with X are reserved for private use. All others: Standards Track RFC or an IESG-approved experimental protocol Label Meaning Reference AUTHINFO Authentication [RFC4643] HDR Batched header retrieval [RFC3977] IHAVE IHAVE command available [RFC3977] IMPLEMENTATION Server implementation-specific information [RFC3977] LIST LIST command variants [RFC3977] MODE-READER Mode-switching server and MODE READER command available [RFC3977] NEWNEWS NEWNEWS command available [RFC3977] OVER Overview support [RFC3977] POST POST command available [RFC3977] READER Reader commands available [RFC3977] SASL Supported SASL mechanisms [RFC4643] STARTTLS Transport layer security [RFC4642] STREAMING Streaming feeds [RFC4644] VERSION Supported NNTP versions [RFC3977]