Is port 3478 (STUN / TURN) dangerous?

Port 3478 is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose with standard security practices.

Should port 3478 be open on my firewall?

Port 3478 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 3478 use?

Port 3478 (STUN / TURN) uses the TCP/UDP transport protocol and falls under the Streaming & Media category.

:3478 (TCP/UDP)

STUN / TURN

Low Risiko

TCP/UDP — Streaming & Media

Ikhtisar Port

Nomor Port 3478

Nama Layanan STUN / TURN

Protokol Transport TCP/UDP

Kategori Streaming & Media

Risiko Keamanan Low

Rentang Port Terdaftar (1024-49151)

Apa itu Port 3478?

Port 3478 is the standard port for STUN (Session Traversal Utilities for NAT) and TURN (Traversal Using Relays around NAT) protocols, critical for WebRTC and VoIP applications. These protocols help peers discover their public IP addresses and traverse NAT/firewall boundaries for real-time communications. It is widely used in video conferencing, online gaming, and peer-to-peer applications.

TCP/UDP Streaming & Media Umum Digunakan

Pertimbangan Keamanan

Port 3478 (STUN / TURN) diklasifikasikan sebagai risiko rendah. Layanan ini menggunakan enkripsi atau memiliki permukaan serangan yang minimal, sehingga relatif aman untuk diekspos.

Rekomendasi: Terapkan praktik keamanan standar. Jaga perangkat lunak tetap diperbarui dan pantau akses.

Port Terkait — Streaming & Media

322 RTSPS 420 SMPTE 453 CreativeServer 458 AppleQuickTime 466 Digital-VRC 534 MegaMedia-Admin 537 NMsp 545 appleqtcsrvr

Istilah Terkait

Caching CDN CORS HTTP Status Codes Load Balancer REST API