[rfc-dist] RFC 6886 on NAT Port Mapping Protocol (NAT-PMP)

rfc-editor at rfc-editor.org rfc-editor at rfc-editor.org
Mon Apr 29 15:38:53 PDT 2013


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        RFC 6886

        Title:      NAT Port Mapping Protocol (NAT-PMP) 
        Author:     S. Cheshire, M. Krochmal
        Status:     Informational
        Stream:     Independent
        Date:       April 2013
        Mailbox:    cheshire at apple.com, 
                    marc at apple.com
        Pages:      33
        Characters: 87897
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-cheshire-nat-pmp-07.txt

        URL:        http://www.rfc-editor.org/rfc/rfc6886.txt

This document describes a protocol for automating the process of
creating Network Address Translation (NAT) port mappings.  Included
in the protocol is a method for retrieving the external IPv4 address
of a NAT gateway, thus allowing a client to make its external IPv4
address and port known to peers that may wish to communicate with it.
>From 2005 onwards, this protocol was implemented in Apple products
including Mac OS X, Bonjour for Windows, and AirPort wireless base
stations.  In 2013, NAT Port Mapping Protocol (NAT-PMP) was
superseded by the IETF Standards Track RFC "Port Control Protocol
(PCP)", which builds on NAT-PMP and uses a compatible packet format,
but adds a number of significant enhancements.


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