STUN
Definitions
STUN is a NAT Traversal and P2P Gaming term for Session Traversal Utilities for NAT, a protocol used by ICE to discover how a device appears from outside its local network. It helps people and agents name the signal, source, and safe next step without pretending an automation, campaign, DNS record, RFC, or network path did more than the evidence shows. Source context: RFC 6598 shared address space; RFC 8445 ICE; RFC 1918 private address space.
“STUN looked at the packet from the internet side and told the app which jacket it was wearing.”
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