Unverified50% confidenceFactExact time
Upstash allows network egress to be locked per box — for example, allowing access only to the NPM registry — with any other connection attempts being blocked.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/9/2026
First Seen
Valid until: 1/7/2027
Sources
Related Entities
Related Claims
UnverifiedNPM's management backend uses port 81 by default and should not be exposed to the public internet.69% similarUnverifiedUPnP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67% similarUnverifiedThe n8n instance must be deployed on a publicly accessible server, or expose a local port using a tunneling tool such as ngrok, in order for Meta to successfully deliver callbacks.66% similarUnverifiedNPM's management interface should not be exposed to the public internet; otherwise, attackers may directly modify routing rules to bypass authentication.66% similarUnverifiedUpCtl通过NPS实现反向穿透，让云主机上的Service层可以通过SSH反向登录到局域网内的Mac主机调用Agent65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/992379API
curl https://kongchang.com/api/v1/knowledge/claims/992379MCP
get_claim(id=992379)