nginx获取客户端的真实ip

location /xxx {
    proxy_set_header            Host $host;
    proxy_set_header            X-real-ip $remote_addr;
    proxy_set_header            X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_pass https://xxx.com;
    }

这样的话就把ip放在了请求头上 X-real-ip