A new Request for Comments is now available in online RFC libraries. RFC 7639 Title: The ALPN HTTP Header Field Author: A. Hutton, J. Uberti, M. Thomson Status: Standards Track Stream: IETF Date: August 2015 Mailbox: andrew.hutton@unify.com, justin@uberti.name, martin.thomson@gmail.com Pages: 7 Characters: 14455 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-httpbis-tunnel-protocol-05.txt URL: https://www.rfc-editor.org/info/rfc7639 DOI: http://dx.doi.org/10.17487/RFC7639 This specification allows HTTP CONNECT requests to indicate what protocol is intended to be used within the tunnel once established, using the ALPN header field. This document is a product of the HyperText Transfer Protocol Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/rfc.html Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC