STUN / TURN
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TCP/UDP — Streaming & Media
端口概览
什么是端口 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.
安全注意事项
端口3478（STUN / TURN）被归类为低风险。该服务使用加密或攻击面极小，相对安全可以暴露。
建议：应用标准安全实践。保持软件更新并监控访问。