proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
proxy_buffering off;
client_max_body_size 0;
proxy_connect_timeout  3600s;
proxy_read_timeout  3600s;
proxy_send_timeout  3600s;
send_timeout  3600s;
proxy_set_header X-Real-IP  $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host $host;

proxy_hide_header X-Powered-By;
proxy_hide_header X-Frame-Options;
add_header X-Frame-Options SAMEORIGIN;
proxy_hide_header X-XSS-Protection;
add_header X-XSS-Protection 0;
proxy_hide_header X-Content-Type-Options;
add_header X-Content-Type-Options nosniff;
proxy_hide_header Referrer-Policy;
add_header Referrer-Policy strict-origin-when-cross-origin;
proxy_hide_header Strict-Transport-Security;
add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload;";
proxy_hide_header Access-Control-Allow-Origin; 
add_header Access-Control-Allow-Origin https://tronnet.net;