随着网络技术的发展,其安全性也渐渐引起了人们的关注。为了保证计算机网络系统的安全性,专家们想出了许多改进方案,而防火墙是众多方案中比较有效的一个。本文我们将主要介绍与计算机网络安全中防火墙技术的应用相关的知识。 With the development of network technology, its security has gradually attracted people’s attention. In order to ensure the security of computer network systems, experts have come up with many improvements, and the firewall is one of the more effective in many programs. This article we will mainly introduce the knowledge related to the application of firewall technology in computer network security.