A new Request for Comments is now available in online RFC libraries. RFC 6887 Title: Port Control Protocol (PCP) Author: D. Wing, Ed., S. Cheshire, M. Boucadair, R. Penno, P. Selkirk Status: Standards Track Stream: IETF Date: April 2013 Mailbox: dwing@cisco.com, cheshire@apple.com, mohamed.boucadair@orange.com, repenno@cisco.com, pselkirk@isc.org Pages: 88 Characters: 221314 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-pcp-base-29.txt URL: http://www.rfc-editor.org/rfc/rfc6887.txt The Port Control Protocol allows an IPv6 or IPv4 host to control how incoming IPv6 or IPv4 packets are translated and forwarded by a Network Address Translator (NAT) or simple firewall, and also allows a host to optimize its outgoing NAT keepalive messages. This document is a product of the Port Control 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 Internet Official Protocol Standards (STD 1) 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 http://www.ietf.org/mailman/listinfo/ietf-announce http://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see http://www.rfc-editor.org/rfcsearch.html. For downloading RFCs, see http://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