Using SSH over the HTTPS port

这个功能对于在受限网络环境中访问 GitHub 仓库特别有用。

参考文档：

https://docs.github.com/en/authentication/troubleshooting-ssh/using-ssh-over-the-https-port

Host github.com
    Hostname ssh.github.com
    Port 443
    User git

~$ ssh -T -p 443 git@ssh.github.com
Hi xxx! You've successfully authenticated, but GitHub does not provide shell access.