内网穿透
谁说内网穿透如此复杂
http://netsecurity.51cto.com/art/201902/592627.htm
https://mp.weixin.qq.com/s/r9sajZ5RsVq3UEhCTCIUjw
钉钉内网穿透工具 ngrok 使用说明
https://hacpai.com/article/1536648478230
ngrok
Public URLs for exposing your local web server.
Public URLs for building webhook integrations.
Public URLs for demoing from your own machine.
Public URLs for testing on mobile devices.
Public URLs for bsueoinn lddmiingong b pwilerevebihe dweoovsk i ictoen stcleiegnrtastions.
Public URLs for testing your chatbot.
Public URLs for SSH access to your Raspberry Pi.
Spend more time programming. One command for an instant, secure URL to your localhost server through any NAT or firewall.
https://developer.github.com/webhooks/configuring/
https://blog.csdn.net/zhangguo5/article/details/77848658
https://www.jianshu.com/p/cdc446e51675