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 ?
Summary: CAIRO- Trade in stun guns has risen in Cairo as the lack of security has reached high levels.
This recommendation, which places stun devices at the same level as pepper spray on the state's force continuum, may not be consistent with the scientific and medical evidence to support this decision.
For budget strapped law enforcement agencies, who have been subjected to an expensive monopoly in the projectile stun weapon marketplace for far too long, we fervently believe that competition is good," said Gruder.
Summary: CAIRO -- Trade in stun guns has risen in Cairo as the lack of security has reached high levels.
The acquired patents cover Stinger System's Stinger projectile stun gun and Bandit electronic restraint.