reference-rfc

Research

Look up and cite international protocol standards (RFC/IEEE) (TR-F021). Any change to RADIUS/EAP/accounting/CoA/IPv6 protocol behavior should first check docs/rfcs and cite the clause.

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Skill: Look Up & Cite International Protocol Standards

Feature ID: TR-F021 (protocol material) | Scope: all protocol-related changes

Principle

Any change to RADIUS / EAP / accounting / CoA / IPv6 protocol behavior must cite the corresponding international standard clause (RFC / IEEE, etc.), preferring material already in the repo.

Check the local library first

The repo's docs/rfcs/ already holds 50+ RFCs (see docs/rfcs/README.md); common ones:

Topic	File
RADIUS auth / accounting	`rfc2865-radius-authentication.txt` / `rfc2866-radius-accounting.txt`
RADIUS extensions / protocol extensions	`rfc2869-radius-extensions.txt` / `rfc6929-protocol-extensions.txt`
RADIUS carrying EAP	`rfc3579-radius-eap-support.txt`
EAP framework / EAP-TLS / TTLS / TEAP	`rfc3748-eap.txt` / `rfc5216-eap-tls.txt` / `rfc5281-eap-ttls.txt` / `rfc7170-teap.txt`
Fragmentation	`rfc7499-packet-fragmentation.txt`
Dynamic authorization / CoA	`rfc3576-dynamic-authorization.txt` / `rfc5176-coa-disconnect.txt`
IPv6 / prefix delegation	`rfc3162-radius-ipv6.txt` / `rfc4818-ipv6-prefix-delegation.txt` / `rfc6911-ipv6-access-networks.txt`
RadSec / RADIUS over TCP	`rfc6614-radsec.txt` / `rfc6613-radius-over-tcp.txt`
Status-Server / implementation issues	`rfc5997-status-server.txt` / `rfc5080-implementation-issues.txt`

Search:

grep -rni "Message-Authenticator" docs/rfcs/
view docs/rfcs/rfc5216-eap-tls.txt

Backfill when missing locally

Confirm it is truly missing (ls docs/rfcs/ | grep <number>).
Fetch the spec text from an authoritative source (IETF datatracker / rfc-editor).
Save it per docs/rfcs/FILE-NAMING.md (e.g. rfcXXXX-<slug>.txt).
Update the docs/rfcs/README.md index, noting the implemented or to-be-implemented feature ID.

How to cite

Cite the clause in inline code comments explaining "why this implementation" (e.g. // per RFC 5216 section 2.1.5, fragment via EAP-TLS Length+More-Fragments).
List the RFC numbers and sections relied upon in the PR description.

Boundaries

Spec material does not replace tests; new material must state the implemented or to-be-implemented feature ID (see the TR-F021 boundary).
Do not upload copyright-restricted, non-redistributable, non-standard documents.

Acceptance

Protocol changes cite specific RFC clauses
New specs are saved per the naming convention and registered in the README
Behavioral differences carry inline comments stating the basis