Protocol

STUN

Session Traversal Utilities for NAT

Lab ready Full lab

Session Traversal Utilities for NAT — binding requests discover reflexive addresses and keep NAT mappings alive for ICE. Attributes carry XOR-mapped addresses, error codes, and integrity parameters. It is foundational for WebRTC connectivity checks.

Tags

naticebindingwebrtc

Sources

  • RFC 8489

Related protocols

TURN

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Traversal Using Relays around NAT — a STUN extension that allocates relayed transport addresses when direct peer paths fail. Permissions …

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ICE

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Interactive Connectivity Establishment gathers local, reflexive, and relay candidates, then runs STUN checks to pick working media paths.…

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WebRTC Signaling

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Application-defined signaling — often SIP, or JSON over WebSocket — that exchanges SDP offers/answers and ICE candidates for WebRTC peers…

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UDP

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User Datagram Protocol — connectionless transport with ports and an optional checksum. It is the basis for DNS, RTP, QUIC, DHCP, and RoCE…

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