查询netstat -an | grep ESTABLISHED
tcp 0 0 192.168.253.3:41276 221.13.200.252:80 ESTABLISHED tcp 0 0 192.168.253.3:51264 115.182.41.173:80 ESTABLISHED tcp 0 0 192.168.253.3:57680 115.182.41.180:80 tcp 0 0 192.168.253.3:50780 115.182.41.173:80 我的查询为什么是这4个