TURN specs:

  • RFC 5766 - base TURN specs
  • RFC 6062 - TCP relaying TURN extension
  • RFC 6156 - IPv6 extension for TURN
  • RFC 7443 - ALPN support for STUN & TURN
  • RFC 7635 - oAuth third-party TURN/STUN authorization
  • DTLS support (http://tools.ietf.org/html/draft-petithuguenin-tram-turn-dtls-00).
  • Mobile ICE (MICE) support (http://tools.ietf.org/html/draft-wing-tram-turn-mobility-02).
  • TURN REST API (http://tools.ietf.org/html/draft-uberti-behave-turn-rest-00)
  • Origin field in TURN (Multi-tenant TURN Server) (https://tools.ietf.org/html/draft-ietf-tram-stun-origin-06)
  • TURN Bandwidth draft specs (http://tools.ietf.org/html/draft-thomson-tram-turn-bandwidth-01)
  • TURN-bis (with dual allocation) draft specs (http://tools.ietf.org/html/draft-ietf-tram-turnbis-04).

STUN specs:

  • RFC 3489 - “classic” STUN
  • RFC 5389 - base “new” STUN specs
  • RFC 5769 - test vectors for STUN protocol testing
  • RFC 5780 - NAT behavior discovery support
  • RFC 7443 - ALPN support for STUN & TURN
  • RFC 7635 - oAuth third-party TURN/STUN authorization

http://stunprotocol.org/ - STUNTMAN - Open source STUN server software GitHub
https://github.com/coturn/coturn - coturn TURN server project