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Session Traversal Utilities for NAT
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Application Layer — VoIP & Streaming
协议概览
全称
Session Traversal Utilities for NAT
缩写
STUN
OSI 层
Application Layer
类别
VoIP & Streaming
默认端口
3478, 5349
RFC
RFC 8489
关于 STUN
Protocol that discovers public IP addresses and NAT types. Used by WebRTC, VoIP, and peer-to-peer applications to establish direct connections through NAT.
Application Layer
VoIP & Streaming
端口 3478, 5349
标准参考
STUN定义于互联网工程任务组（IETF）发布的RFC 8489中。RFC是互联网协议的官方标准文档，可免费公开查阅。