server {  
    listen 8080;  
    resolver 1.1.1.1; 
    location / {  
        proxy_bind $server_addr;
        proxy_pass $scheme://$http_host$request_uri;
        proxy_set_header Host $http_host;
        proxy_buffers 256 4k;
        proxy_max_temp_file_size 0k; 
        proxy_connect_timeout 30;
        proxy_send_timeout 60;
        proxy_read_timeout 60;
        proxy_next_upstream error timeout invalid_header http_502;
        proxy_set_header Upgrade                        $http_upgrade;
        proxy_set_header Connection             "upgrade";
    }  
deny 127.0.0.1;
}

连接那个IP 出口就是那个 IP