RFC 5389

Session Traversal Utilities for NAT (STUN), October 2008

Canonical URL:
https://www.rfc-editor.org/rfc/rfc5389.txt
File formats:
Plain TextPDF
Status:
PROPOSED STANDARD
Obsoletes:
RFC 3489
Updated by:
RFC 7350
Authors:
J. Rosenberg
R. Mahy
P. Matthews
D. Wing
Stream:
IETF
Source:
behave (tsv)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC5389

Discuss this RFC: Send questions or comments to behave@ietf.org

Other actions: View Errata  |  Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

Session Traversal Utilities for NAT (STUN) is a protocol that serves as a tool for other protocols in dealing with Network Address Translator (NAT) traversal. It can be used by an endpoint to determine the IP address and port allocated to it by a NAT. It can also be used to check connectivity between two endpoints, and as a keep-alive protocol to maintain NAT bindings. STUN works with many existing NATs, and does not require any special behavior from them. STUN is not a NAT traversal solution by itself. Rather, it is a tool to be used in the context of a NAT traversal solution. This is an important change from the previous version of this specification (RFC 3489), which presented STUN as a complete solution. This document obsoletes RFC 3489. [STANDARDS-TRACK]


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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