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draft-ietf-behave-rfc3489bis-18 - Session Traversal Utilities for NAT (STUN)

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IETF - Internet Engineering Task Force

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Session Traversal Utilities for NAT (STUN)

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https://datatracker.ietf.org/doc/draft-ietf-behave-rfc3489bis/18/

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IETF Datatracker

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Session Traversal Utilities for NAT (STUN) is a protocol that serves as a tool for other protocols in dealing with Network Address Translator (NAT) traversal. It can be used by an endpoint to determine the IP address and port allocated to it by a NAT. It can also be used to check connectivity between two endpoints, and as a keep-alive protocol to maintain NAT bindings. STUN works with many existing NATs, and does not require any special behavior from them. STUN is not a NAT traversal solution by itself. Rather, it is a tool to be used in the context of a NAT traversal solution. This is an important change from the previous version of this specification (RFC 3489), which presented STUN as a complete solution. This document obsoletes RFC 3489. [STANDARDS-TRACK]

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