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信息技术的快速普及,网络很大程度上便利了人们生产生活。但然而随着信息技术的发展,网络中由于软硬件等问题,容易被黑客、病毒攻击,安全维护管理手段和意识落后,也增加了计算机局域网络的安全风险。防火墙技术是保障网络安全的重要手段之一,通过应用防火墙技术可以提高网络安全水平,提高网络的安全可靠性。1网络安全的重要意义1.1保障计算机网络各系统正常运行网络技术对于机关、团体、事业单位来说有着重要的意义。对计算机网络进行维护包括软硬件两方面的维护,通过对软件和
The rapid spread of information technology, the network has greatly facilitated the production of people’s lives. However, with the development of information technology, due to the problems of hardware and software in the network, it is easy to be attacked by hackers and viruses, and the means and consciousness of security maintenance and management are also lagging behind. This also increases the security risk of the computer local area network. Firewall technology is an important means to ensure network security. Through the application of firewall technology, it can improve the network security level and improve the network security and reliability. 1 The importance of network security 1.1 to ensure the normal operation of the computer network system for network technology for agencies, groups, institutions have an important significance. Computer network maintenance, including both hardware and software maintenance, through software and