Learn the server-observed address
01A Binding transaction can reveal the source address and port observed by the STUN server.
Related RFCs and changes
“Updates” changes part of an earlier RFC. “Obsoletes” replaces it. This list shows selected related documents.
DIAGRAM§ 2 ↗
RFC 8489 · § 2EXAMPLE
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The response reports that address to the client.
The response reports that address to the client.
Protocol participantThreat or exceptionProtocol controlSimplified drawings · precise section references
Read the updated RFC section ↗
XOR-MAPPED-ADDRESS reports a reflexive transport address, not a guaranteed universally reachable endpoint.
- XOR-MAPPED-ADDRESS reports a reflexive transport address, not a guaranteed universally reachable endpoint.
- A different destination can encounter different NAT mapping or filtering behavior.
The drawing is a simplified worked example. Follow the linked RFC and its updates for implementation requirements.
Read the RFC section ↗Diagrams simplify the RFC. Read the linked sections for complete requirements.
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