内网穿透

上一篇提到：如果不介意使用三级域名，套上一个CDN，HTTP回源或许是最好的方式。 今天来写写教程，注意：优化效果在校园网是体验不出来的，流量才行。 ...

Cloudflare Tunnel provides you with a secure way to connect your resources to Cloudflare without a publicly routable IP address. With Tunnel, you do not send traffic to an external IP — instead, a lightweight daemon in your infrastructure (cloudflared) creates outbound-only connections to Cloudflare’s global network. Cloudflare Tunnel can connect HTTP web servers, SSH servers, remote desktops, and other protocols safely to Cloudflare. This way, your origins can serve traffic through Cloudflare without being vulnerable to attacks that bypass Cloudflare. ...