root@secure-server:~$ curl -I https://this-site.com
root@secure-server:~$ HTTP/1.1 403 Forbidden
> Access denied. You shall not pass.
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║ ██████╗ ███████╗███╗ ██╗██╗███████╗ ║
║ ██╔══██╗██╔════╝████╗ ██║██║╚══███╔╝ ║
║ ██████╔╝█████╗ ██╔██╗ ██║██║ ███╔╝ ║
║ ██╔══██╗██╔══╝ ██║╚██╗██║██║ ███╔╝ ║
║ ██████╔╝███████╗██║ ╚████║██║███████╗ ║
║ ╚═════╝ ╚══════╝╚═╝ ╚═══╝╚═╝╚══════╝ ║
╚═══════════════════════════════════════════╝
[403]
$ 你的 IP 已被记录。
$ 权限验证失败。
root@secure-server:~$