Add nginx ssl example config

docs/nginx-ssl-example.conf

@@ -0,0 +1,50 @@
+# don't send the nginx version number in error pages and Server header
+server_tokens off;
+
+# redirect all http traffic to https
+server {
+  listen 80;
+  server_name transfer.example.com;
+  return 301 https://$host$request_uri;
+}
+
+server {
+  listen 443 ssl;
+  server_name transfer.example.com;
+
+  error_log  /var/log/nginx/transfer-error.log warn;
+  access_log  /var/log/nginx/transfer-access.log main;
+  
+  ### SSL ###
+  ssl_certificate /etc/nginx/certs/transfer.example.com/fullchain.pem;
+  ssl_certificate_key /etc/nginx/certs/transfer.example.com/key.pem;
+
+  # enable session resumption to improve https performance
+  # http://vincent.bernat.im/en/blog/2011-ssl-session-reuse-rfc5077.html
+  ssl_session_cache shared:SSL:50m;
+  ssl_session_timeout 5m;
+
+  # openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048
+  ssl_dhparam /etc/nginx/ssl/dhparams.pem;
+
+  # enables server-side protection from BEAST attacks
+  # http://blog.ivanristic.com/2013/09/is-beast-still-a-threat.html
+  ssl_prefer_server_ciphers on;
+  # disable SSLv3(enabled by default since nginx 0.8.19) since it's less secure then TLS http://en.wikipedia.org/wiki/Secure_Sockets_Layer#SSL_3.0
+  ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+  # ciphers chosen for forward secrecy and compatibility
+  # http://blog.ivanristic.com/2013/08/configuring-apache-nginx-and-openssl-for-forward-secrecy.html
+  ssl_ciphers "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256:AES256-SHA:AES128-SHA:DES-CBC3-SHA:HIGH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
+
+
+  location / {
+    # Bind PsiTransfer to localhost interface
+    # ie with PSITRANSFER_IFACE=127.0.0.1
+    proxy_pass "http://127.0.0.1:3000";
+
+    proxy_http_version 1.1;
+    proxy_buffering off;
+    proxy_request_buffering off;      # needs nginx version >= 1.7.11
+    proxy_set_header Host $http_host;
+  }
+}