Unverified50% confidenceFactExact time
Tailscale在大多数NAT环境下无需UPnP即可完成直连
1
Sources
50%
Confidence
Long-term
Relevance
7/15/2026
First Seen
Sources
Related Claims
UnverifiedUPnP协议完全假设局域网是可信环境，没有任何身份验证机制，任何能发送UDP广播的设备都可以向路由器申请端口映射64% similarUnverified在对称型NAT或严格防火墙环境下，STUN协议可能无法建立直连，需依赖TURN服务器中转，此时文件数据不再是纯粹的P2P传输63% 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.62% 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%.62% similar
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