@misc{rfc4643, series = {Request for Comments}, number = 4643, howpublished = {RFC 4643}, publisher = {RFC Editor}, doi = {10.17487/RFC4643}, url = {https://www.rfc-editor.org/info/rfc4643}, author = {Kenneth Murchison and Jeffrey M. Vinocur}, title = {{Network News Transfer Protocol (NNTP) Extension for Authentication}}, pagetotal = 24, year = 2006, month = oct, abstract = {This document defines an extension to the Network News Transfer Protocol (NNTP) that allows a client to indicate an authentication mechanism to the server, to perform an authentication protocol exchange, and optionally to negotiate a security layer for subsequent protocol interactions during the remainder of an NNTP session. This document updates and formalizes the AUTHINFO USER/PASS authentication method specified in RFC 2980 and deprecates the AUTHINFO SIMPLE and AUTHINFO GENERIC authentication methods. Additionally, this document defines a profile of the Simple Authentication and Security Layer (SASL) for NNTP. {[}STANDARDS-TRACK{]}}, }