nginx反代获取真实ip

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For  $proxy_add_x_forwarded_for;

具体配置如下.

tornado中通过self.request.remote_ip获取ip
如果不设置的话只能获取到反代服务器的ip.