Repeater Registration

Registration services announce where repeater nodes can be reached. The directory exposes current registrations through DNS.

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Refresh interval: The time a node should wait before renewing its registration.

Registration lifetime: The period for which a registration remains valid, measured from the time it was issued. Avoid: Refresh interval

Node: A repeater endpoint identified by a numeric node ID within its network.

Registration: A time-limited statement of the network address at which a node can be reached.

Registrar: A service that authenticates node registration requests and announces accepted registrations to the directory.

Registration password: A system-generated shared secret used to prove a node's identity during registration.

Credential service: A trusted source of registration passwords for authorized registrars.

PROXY protocol: A transport metadata format that carries the original client and destination endpoints through a trusted proxy. The IAX registrar supports PROXY protocol v2 over UDP/IPv4 when explicitly enabled and restricted to trusted proxy addresses.

Trusted UDP proxy: A UDP proxy whose source IPv4 address is allowlisted by the IAX registrar and that adds PROXY protocol v2 headers to forwarded IAX datagrams.