Configuring HTTPS serversTo configure an HTTPS server, the ssl parameter must be enabled on listening sockets in the server block, and the locations of the server certificate and private key files should be specified: server { listen 443 ssl; server_name www.example.com; ssl_certificate www.example.com.crt; ssl_certificate_key www.example.com.key; ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; ssl_ciphers HIGH:!aNULL:!MD5;
httpsだからというだけで安全？調べたら怖くなってきたSSLの話!？ - Qiita
