knownports / Ports 3000–3999 / Ports 3478 and 5349

Ports3478 & 5349

  • 3478stunSession Traversal Utilities for NAT (STUN) port
  • 3478stun-behaviorSTUN Behavior Discovery over TCP
  • 3478turnTURN over TCP
  • 5349stun-behaviorsSTUN Behavior Discovery over TLS
  • 5349stunsSession Traversal Utilities for NAT (STUN) port
  • 5349turnsTURN over TLS

Port 3478 carries stun, stun-behavior and turn; port 5349 carries stun-behaviors, stuns and turns, all on TCP and UDP. The registry pairs stun-behavior with stun-behaviors and turn with turns as plain and TLS forms. Both numbers cite RFC 5780, RFC 8489 and RFC 8656, and 5349 adds RFC 7350. The registry last changed both entries on August 2, 2019.

  1. 3475genisar-port
  2. 3476nppmp
  3. 3477ecomm
  4. 3478stun
  5. 3479twrpc
  6. 3480plethora
  7. 3481cleanerliverc
TCP assignedUDP assignedreservedno entryAll 983 assigned numbers in ports 3000–3999
  1. 5321bsfsvr-zn-ssl
  2. 21 free
  3. 5343kfserver
  4. 5344xkotodrcp
  5. 4 free
  6. 5349stun-behaviors
  7. 5350pcp-multicast
  8. 5351pcp
  9. 5352dns-llq
TCP assignedUDP assignedreservedno entryAll 433 assigned numbers in ports 5000–5999

Registry entries

PortServiceProtocolsRegisteredModifiedRFCsOther specs
3478stunTCPUDP—Mar 28, 2019RFC 8489—
3478stun-behaviorTCPUDP——RFC 5780—
3478turnTCPUDP—Aug 2, 2019RFC 8656—
5349stun-behaviorsTCPUDP——RFC 5780—
5349stunsTCPUDP—Mar 28, 2019RFC 7350, RFC 8489—
5349turnsTCPUDP—Aug 2, 2019RFC 7350, RFC 8656—

Cited RFCs

RFCTitlePublishedStatusLater changes
RFC 5780NAT Behavior Discovery Using Session Traversal Utilities for NAT (STUN)May 2010Experimentalupdated by RFC 8553
RFC 7350Datagram Transport Layer Security (DTLS) as Transport for Session Traversal Utilities for NAT (STUN)August 2014Proposed Standard—
RFC 8489Session Traversal Utilities for NAT (STUN)February 2020Proposed Standard—
RFC 8656Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)February 2020Proposed Standard—

Other names built on stun

1990 stun-p1 1991 stun-p2 1992 stun-p3 1994 stun-port

Listed in Ports that cite an RFC · Plain and TLS port pairs · Numbers shared by several services