server { listen 80; server_name linux-node2.example.com; autoindex on; autoindex_exact_size off; autoindex_localtime on; keepalive_timeout 60; tcp_nodelay on; server_tokens off; ssl_session_cache shared:SSL:1m; ssl_session_timeout 5m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_prefer_server_ciphers on; location ^~ /download { alias /opt/tools/; charset utf-8;}server { listen 80; server_name linux-node2.e