What port does STUN use?

STUN uses port 3478, 5349 by default. The protocol is defined in RFC 8489.

Unknown

Session Traversal Utilities for NAT

Q: What is Session Traversal Utilities for NAT?

Session Traversal Utilities for NAT (STUN) is a Application Layer protocol in the VoIP & Streaming category. 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

Resumen del protocolo

Nombre completo Session Traversal Utilities for NAT

Abreviatura STUN

Capa OSI Application Layer

Categoría VoIP & Streaming

Puerto predeterminado 3478, 5349

RFC RFC 8489

Acerca de 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 Puerto 3478, 5349

Referencia de estándares

STUN está definido en RFC 8489, publicado por el Internet Engineering Task Force (IETF). Los RFC son los documentos de estándares oficiales para los protocolos de internet y están disponibles gratuitamente para revisión pública.

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