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Network Address Translation (NAT) Behavioral Requirements for Unicast UDP
RFC 4787 part of BCP 127

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['nat', 'sip', 'udp']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System) Changed author "C. Jennings": changed name from "Cullen Jennings" to "C. Jennings", cleared country (was "US"), changed order from "0" to "2"
2026-05-20
(System) Changed author "F. Audet": changed name from "Francois Audet" to "F. Audet", changed is_editor from "False" to "True", cleared country (was "US")
2026-05-20
(System) Metadata update from RFC Editor
2023-12-12
(System) Imported membership of rfc4787 in bcp127 via sync to the rfc-index
2023-12-12
(System) No history of BCP127 is currently available in the datatracker before this point
2015-10-14
(System) Notify list changed from fluffy@cisco.com, dwing@cisco.com, audet@nortel.com to (None)
2013-02-23
(System) Posted related IPR disclosure: SSH Communications Security Corporation's Statement about IPR related to RFC 4787
2007-02-01
Amy Vezza State Changes to RFC Published from RFC Ed Queue by Amy Vezza
2007-02-01
Amy Vezza [Note]: 'RFC 4787
BCP 0127' added by Amy Vezza
2007-01-31
(System) RFC published