STUN

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STUN

(Simple Traversal of UDP through NAT) A protocol that allows applications to detect that a network address translation (NAT) is being used. It can also detect the type of NAT and IP address assigned by it. STUN was developed to support interactive, two-way communications over the Internet such as for voice (VoIP) and videoconferencing. The STUN client sends requests to a STUN server, which is typically hosted by the service provider.

Unlike application layer gateways (ALGs) and Middlebox Communications (MIDCOM), which also support two-way communications through NATs, STUN requires no changes to the NAT. See NAT.
References in periodicals archive ?
A particular feature of the property is the stuning open-plan kitchen diner and conservatory and there are five double bedrooms.
Since then, Deila's team have knocked the stuning out of the Terrors over the course of a brutal four-game series - eliminating them from both of Scotland's cup competitions.
Southampton created the best chances and Swansea were indebted to a couple of stuning saves from Michel Vorm.