upstream web44 {
   server 192.168.1.44:80;
}
server {
    listen       8044; 
    server_name  manage.sundayle.com;

    location / { 
      proxy_pass http://web44;
      proxy_set_header Host $host:$server_port;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_redirect http://$host http://$host:$server_port;
      proxy_redirect off;
    }   
}