随着时代的发展和社会经济的进步,计算机技术得到了迅速发展,被广泛应用于各个领域内,为人们的日常生活和工作带来了极大的便利。但是在计算机网络应用过程中,也出现了诸多的不安全因素,威胁到信息的安全,针对这种情况,就需要合理应用防火墙技术。本文简要分析了计算机网络安全因素及防火墙技术的运用,希望可以提供一些有价值的参考意见。 With the development of the times and the progress of society and economy, the computer technology has been rapidly developed and widely used in various fields, bringing great convenience to people’s daily life and work. However, in the course of computer network application, many unsafe factors also appear, which threaten the security of information. In view of this situation, it is necessary to apply the firewall technology reasonably. This article briefly analyzes the computer network security factors and firewall technology, hoping to provide some valuable reference.