Expired50% confidenceEventExact time
Even when the user had disabled the remote access feature in the UGREEN NAS interface, the NAS continued to send requests to STUN servers.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/15/2026
First Seen
Valid until: 10/13/2026(expired)
Sources
Related Claims
Unverified绿联、群晖、威联通等主流NAS厂商的云服务架构通常分为STUN/TURN服务器、厂商中继服务器和动态DNS服务三层66% similarUnverifiedSTUN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63% similarUnverifiedSTUN 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.63% similar
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