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使用 Cloudflare Tunnel 将本地服务端口连接到公网域名 ​

前置要求 ​

购买一个域名：(例如 olivaw.space)

See: https://www.name.com

注册 cloudflare：

See: https://www.cloudflare.com/products/tunnel

安装 cloudflared ​

Windows ​

下载安装包：

双击 .msi 文件安装。

Linux (Debian) ​

sh
curl -L --output cloudflared.deb https://githubfast.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64.deb
sudo dpkg -i cloudflared.deb

配置 tunnel ​

登录 ​

sh
cloudflared tunnel login

点击命令行的链接，选择列出的域名（olivaw.space），然后点击 Authorize。

若创建成功，输出形如：

sh
You have successfully logged in.
If you wish to copy your credentials to a server, they have been saved to:
~/.cloudflared/cert.pem

Sometimes connection would be timeout, you might need to use a proxy that is able to access cloudflare.

创建 tunnel ​

sh
# cloudflared tunnel create <tunnel-name>
cloudflared tunnel create chat

若创建成功，输出形如：

sh
Tunnel credentials written to /home/asimov/.cloudflared/********-****-****-****-************.json.
cloudflared chose this file based on where your origin certificate was found.
Keep this file secret. To revoke these credentials, delete the tunnel.

Created tunnel bili-search with id ********-****-****-****-************

See: Create tunnel locally (CLI):

https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/get-started/create-local-tunnel

You might encounter following issue:

failed to create tunnel: Create Tunnel API call failed: REST request failed: Post "https://api.cloudflare.com/client/v4/accounts/0eaac800b72d47966d3858a5a24965d0/cfd_tunnel": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

列出已有 tunnel ​

sh
cloudflared tunnel list

删除指定 tunn ​

sh
# cloudflared tunnel delete <tunnel-name>
cloudflared tunnel delete chat

将 tunnel route 到 DNS 域名 ​

sh
# cloudflared tunnel route dns <tunnel_name> <subdomain>
cloudflared tunnel route dns chat chat.olivaw.space

若成功，输出形如：

sh
Added CNAME chat.olivaw.space which will route to this tunnel tunnelID=********-****-****-****-************

在 tunnel 中 run 本地服务端口 ​

sh
# cloudflared tunnel run --url http://<localhost>:<port> <tunnel_name>
cloudflared tunnel run --url http://127.0.0.1:13333 chat

访问 https://chat.olivaw.space 即可使用本地服务 http://127.0.0.1:13333.

参考 ​