A new Request for Comments is now available in online RFC libraries. BCP 165 RFC 7605 Title: Recommendations on Using Assigned Transport Port Numbers Author: J. Touch Status: Best Current Practice Stream: IETF Date: August 2015 Mailbox: touch@isi.edu Pages: 24 Characters: 58012 See Also: BCP 165 I-D Tag: draft-ietf-tsvwg-port-use-11.txt URL: https://www.rfc-editor.org/info/rfc7605 DOI: http://dx.doi.org/10.17487/RFC7605 This document provides recommendations to designers of application and service protocols on how to use the transport protocol port number space and when to request a port assignment from IANA. It provides designer guidance to requesters or users of port numbers on how to interact with IANA using the processes defined in RFC 6335; thus, this document complements (but does not update) that document. It provides guidelines for designers regarding how to interact with the IANA processes defined in RFC 6335, thus serving to complement (but not update) that document. This document is a product of the Transport Area Working Group Working Group of the IETF. BCP: This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements. 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