随着计算机网络的不断开放,计算机网络的安全性逐渐降低,比如说一些计算机网络会常常受到黑客的攻击,导致计算机系统中的数据信息被窃取和破坏。对此,人们也进行了针对性的办法研究,那就是防火墙技术,防火墙技术可以有效保障计算机网络的安全性,提高计算机系统内部文件和数据的安全,保障人们的利益不受侵害。 With the continuous opening of computer networks, the security of computer networks is gradually reduced. For example, some computer networks are often attacked by hackers, which lead to theft and destruction of data information in computer systems. In this regard, people also conducted a targeted approach to research, that is, firewall technology, firewall technology can effectively protect the security of computer networks, computer systems to improve the security of files and data to protect people’s interests from infringement.