Unverified50% confidenceFactExact time
STUN服务器帮助设备发现自己的公网IP和端口，TURN服务器则在直连失败时充当中继
1
Sources
50%
Confidence
Long-term
Relevance
7/19/2026
First Seen
Sources
Related Claims
UnverifiedSTUN servers help devices discover their public IP addresses and mapped ports, and are suitable for cone NAT scenarios, but symmetric NAT causes STUN direct connection to fail.78% similarVerifiedTailscale uses a combination of STUN-like protocols to detect public network addresses and UDP hole punching for NAT traversal, employing a strategy of attempting direct connection first and falling back to relay.72% similarUnverified部分项目通过mDNS/Bonjour协议在局域网内自动发现设备以消除对外部服务器的依赖，但跨网络传输时仍无法回避信令问题72% similarUnverified同一 tailnet 中其他成员的设备若存在漏洞，可能成为横向移动的跳板68% similarUnverifiedTailscale uses DERP servers as fallback relays and preferentially attempts NAT traversal via the STUN protocol; its engineering blog documents achieving a direct-connection success rate of over 93%.67% similar
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