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STUN
Last modified: Thursday, February 24, 2005 

Acronym for Simple Traversal of UDP (User Datagram Protocol) through NAT (Network Address Translation).

STUN is is a protocol for assisting devices behind a NAT firewall or router with their packet routing. STUN allows applications to discover the presence and types of NATs and firewalls between them and the public Internet.  It provides applications with the ability to determine the public Internet Protocol (IP) addresses allocated to them by the NAT.  STUN works with many existing NATs and allows for a wide variety of applications to work through existing NAT infrastructure.

[Reference: Adapted from STUN RFC 3489]

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For internet.com pages about STUN . Also check out the following links!

Related Links

STUN RFC 3489 - Text Document 
This document specifies an Internet standards track protocol for the Internet community.

related categories

Internet Protocols

Standards

related terms

NAT

protocol

UDP


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