proxy.conf

proxy_connect_timeout   59s;
proxy_send_timeout      600;
proxy_read_timeout      36000s;  ## Timeout after 10 hours
proxy_buffer_size       64k;
proxy_buffers           16 32k;
proxy_pass_header       Set-Cookie;
proxy_hide_header       Vary;

proxy_busy_buffers_size         64k;
proxy_temp_file_write_size      64k;

#proxy_set_header        Accept-Encoding         '';
#proxy_ignore_headers    Cache-Control           Expires;
proxy_set_header        Referer                 $http_referer;
proxy_set_header        Host                    $host;
proxy_set_header        Cookie                  $http_cookie;
proxy_set_header        X-Real-IP               $remote_addr;
proxy_set_header        X-Forwarded-Host        $host;
proxy_set_header        X-Forwarded-Server      $host;
proxy_set_header        X-Forwarded-For         $proxy_add_x_forwarded_for;
proxy_set_header        X-Forwarded-Port        '443';
proxy_set_header        X-Forwarded-Ssl         on;
proxy_set_header        X-Forwarded-Proto       https;
#proxy_set_header        Authorization           '';
proxy_set_header        X-Forwarded-Scheme      $scheme;

proxy_buffering         off;
proxy_redirect          off;

## Required for Plex WebSockets
proxy_http_version      1.1;
proxy_set_header        Upgrade         $http_upgrade;
proxy_set_header        Connection      "upgrade";