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

Visão geral do protocolo

Nome completo Session Traversal Utilities for NAT

Abreviatura STUN

Camada OSI Application Layer

Categoria VoIP & Streaming

Porta padrão 3478, 5349

RFC RFC 8489

Sobre 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 Porta 3478, 5349

Referência de padrões

STUN é definido em RFC 8489, publicado pelo Internet Engineering Task Force (IETF). Os RFCs são os documentos de padrões oficiais para protocolos de internet e estão disponíveis gratuitamente para revisão pública.

Protocolos relacionados — Application Layer

HTTP Hypertext Transfer Protocol HTTPS HTTP Secure HTTP/2 HTTP/2 HTTP/3 HTTP/3 WS WebSocket SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol POP3 Post Office Protocol v3