计算机网络技术的迅速发展不仅给人们的生产生活、工作带来了极大的便利,而且也开阔人们的视野,增长了见识。但伴随着的网络安全问题也随之而来。网络安全也越来越受到人们的关注。文章就构成网络安全威胁的问题分析防火墙在计算机网络环境中纯在的重要性,以及对防火墙未来的发展趋势做了预测。 The rapid development of computer network technology not only brought great convenience to people’s life and work, but also broadened people’s horizons and increased their knowledge. But with the network security problems also follow. Network security is also getting more and more attention. The article on the issue of posing a threat to network security analysis of the importance of firewall purely in the computer network environment, as well as the prediction of the future development trend of the firewall.