STUN - MDN Web Docs Glossary: Definitions of Web-related terms 编辑

STUN (Session Traversal Utilities for NAT) is an auxiliary protocol for transmitting data around a NAT (Network Address Translator). STUN returns the IP address, port, and connectivity status of a networked computer behind a NAT.

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General knowledge

• STUN on Wikipedia
• WebRTC protocols

Technical reference

• Specification