UDP Encapsulation of IPsec ESP Packets
RFC 3948, “UDP Encapsulation of IPsec ESP Packets”, is a Proposed Standard document published in January 2005 by A. Huttunen, B. Swander, V. Volpe, L. DiBurro, M. Stenberg. The canonical text is published by the RFC Editor.
Abstract
This protocol specification defines methods to encapsulate and decapsulate IP Encapsulating Security Payload (ESP) packets inside UDP packets for traversing Network Address Translators. ESP encapsulation, as defined in this document, can be used in both IPv4 and IPv6 scenarios. Whenever negotiated, encapsulation is used with Internet Key Exchange (IKE). [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 3948 is hosted at rfc-editor.org. Available in TXT,HTML.
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