随着网络应用规模及范围的不断扩大,网络共享与安全的矛盾日趋突出,各种恶意攻击事件、病毒入侵不断发生。本文通过分析端口的重要性,给出了网络安全管理中各种端口攻击的查看途径以及关闭危险端口的方法,使网络运行环境更安全,更可靠。 With the continuous expansion of the scale and scope of network applications, the contradiction between network sharing and security has become increasingly prominent. Various malicious attacks and virus attacks continue to occur. By analyzing the importance of ports, this paper gives a view of various port attacks in network security management and the method of closing dangerous ports, which makes the network operating environment safer and more reliable.