123456789server { listen 80 default_server; listen [::]:80 default_server; listen 443 default_server ssl; ssl_certificate /etc/letsencrypt/live/coder17.com-0001/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/coder17.com-0001/privkey.pem; server_name _; return 444;} 其中证书可以随便指定